Merge branch 'master' into CMDAPIStrings

# Conflicts:
#	src/de/steamwar/command/SWCommandUtils.java

build.gradle

@@ -81,6 +81,8 @@ dependencies {
 
     testImplementation 'junit:junit:4.13.2'
     testImplementation 'org.hamcrest:hamcrest:2.2'
+
+    compileOnly 'org.xerial:sqlite-jdbc:3.36.0'
 }
 
 task buildResources {

src/de/steamwar/ImplementationProvider.java

@@ -0,0 +1,34 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2022  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar;
+
+import java.lang.reflect.InvocationTargetException;
+
+public class ImplementationProvider {
+    private ImplementationProvider() {}
+
+    public static <T> T getImpl(String className) {
+        try {
+            return (T) Class.forName(className).getDeclaredConstructor().newInstance();
+        } catch (InstantiationException | IllegalAccessException | InvocationTargetException | NoSuchMethodException | ClassNotFoundException e) {
+            throw new SecurityException("Could not load implementation", e);
+        }
+    }
+}

src/de/steamwar/command/SWCommandUtils.java

@@ -58,10 +58,10 @@ public class SWCommandUtils {
             if (s.equalsIgnoreCase("false")) return false;
             return null;
         }, s -> Arrays.asList("true", "false")));
-        addMapper(float.class, Float.class, createMapper(numberMapper(Float::parseFloat), numberCompleter(Float::parseFloat)));
-        addMapper(double.class, Double.class, createMapper(numberMapper(Double::parseDouble), numberCompleter(Double::parseDouble)));
-        addMapper(int.class, Integer.class, createMapper(numberMapper(Integer::parseInt), numberCompleter(Integer::parseInt)));
-        addMapper(long.class, Long.class, createMapper(numberMapper(Long::parseLong), numberCompleter(Long::parseLong)));
+        addMapper(float.class, Float.class, createMapper(numberMapper(Float::parseFloat), numberCompleter(Float::parseFloat, true)));
+        addMapper(double.class, Double.class, createMapper(numberMapper(Double::parseDouble), numberCompleter(Double::parseDouble, true)));
+        addMapper(int.class, Integer.class, createMapper(numberMapper(Integer::parseInt), numberCompleter(Integer::parseInt, false)));
+        addMapper(long.class, Long.class, createMapper(numberMapper(Long::parseLong), numberCompleter(Long::parseLong, false)));
         MAPPER_FUNCTIONS.put(String.class.getTypeName(), createMapper(s -> {
             if (s.startsWith("\"") && s.endsWith("\"")) {
                 return s.substring(1, s.length() - 1);
@@ -103,12 +103,10 @@ public class SWCommandUtils {
             Class<?> varArgType = parameter.isVarArgs() ? parameter.getType().getComponentType() : null;
             AbstractSWCommand.OptionalValue optionalValue = parameter.getAnnotation(AbstractSWCommand.OptionalValue.class);
             AbstractSWCommand.AllowNull allowNull = parameter.getAnnotation(AbstractSWCommand.AllowNull.class);
-            AbstractSWCommand.Quotable quotable = parameter.getAnnotation(AbstractSWCommand.Quotable.class);
 
             CommandPart<T> commandPart = new CommandPart<>(command, typeMapper, validator, varArgType, optionalValue != null ? optionalValue.value() : null, parameter, i);
             commandPart.setOnlyUseIfNoneIsGiven(optionalValue != null && optionalValue.onlyUINIG());
             commandPart.setAllowNullValues(allowNull != null);
-            commandPart.setQuotable(quotable != null);
             if (current != null) {
                 current.setNext(commandPart);
             }
@@ -265,10 +263,25 @@ public class SWCommandUtils {
         };
     }
 
-    private static Function<String, Collection<String>> numberCompleter(Function<String, ?> mapper) {
-        return s -> numberMapper(mapper).apply(s) != null
-                ? Collections.singletonList(s)
-                : Collections.emptyList();
+    private static Function<String, Collection<String>> numberCompleter(Function<String, ?> mapper, boolean comma) {
+        return s -> {
+            if (numberMapper(mapper).apply(s) == null) {
+                return Collections.emptyList();
+            }
+            List<String> strings = new ArrayList<>();
+            if (s.length() == 0) {
+                strings.add("-");
+            } else {
+                strings.add(s);
+            }
+            for (int i = 0; i < 10; i++) {
+                strings.add(s + i);
+            }
+            if (comma && (!s.contains(".") || !s.contains(","))) {
+                strings.add(s + ".");
+            }
+            return strings;
+        };
     }
 
     static <T extends Annotation> T[] getAnnotation(Method method, Class<T> annotation) {

src/de/steamwar/linkage/LinkageProcessor.java

@@ -292,6 +292,7 @@ public class LinkageProcessor extends AbstractProcessor {
 
     private LinkageType resolveSingle(TypeMirror typeMirror) {
         String qualifier = typeMirror.toString();
+        if (qualifier.contains("<")) qualifier = qualifier.substring(0, qualifier.indexOf('<'));
         qualifier = qualifier.substring(qualifier.lastIndexOf('.') + 1);
         try {
             return (LinkageType) Class.forName("de.steamwar.linkage.types." + qualifier + "_" + context.name()).getDeclaredConstructor().newInstance();

src/de/steamwar/sql/BauweltMember.java

@@ -0,0 +1,79 @@
+/* 
+    This file is a part of the SteamWar software.
+    
+    Copyright (C) 2020  SteamWar.de-Serverteam
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+package de.steamwar.sql;
+
+import de.steamwar.sql.internal.Field;
+import de.steamwar.sql.internal.SelectStatement;
+import de.steamwar.sql.internal.Table;
+import lombok.Getter;
+
+import java.util.*;
+
+public class BauweltMember {
+    private static final Map<Integer, BauweltMember> memberCache = new HashMap<>();
+
+    public static void clear() {
+        memberCache.clear();
+    }
+
+    private static final Table<BauweltMember> table = new Table<>(BauweltMember.class);
+    private static final SelectStatement<BauweltMember> getMember = table.select(Table.PRIMARY);
+    private static final SelectStatement<BauweltMember> getMembers = table.selectFields("BauweltID");
+
+    public static BauweltMember getBauMember(UUID ownerID, UUID memberID){
+        return getBauMember(SteamwarUser.get(ownerID).getId(), SteamwarUser.get(memberID).getId());
+    }
+
+    public static BauweltMember getBauMember(int ownerID, int memberID){
+        BauweltMember member = memberCache.get(memberID);
+        if(member != null)
+            return member;
+        return getMember.select(ownerID, memberID);
+    }
+
+    public static List<BauweltMember> getMembers(UUID bauweltID){
+        return getMembers(SteamwarUser.get(bauweltID).getId());
+    }
+
+    public static List<BauweltMember> getMembers(int bauweltID){
+        return getMembers.listSelect(bauweltID);
+    }
+
+    @Getter
+    @Field(keys = {Table.PRIMARY})
+    private final int bauweltID;
+    @Getter
+    @Field(keys = {Table.PRIMARY})
+    private final int memberID;
+    @Getter
+    @Field
+    private final boolean worldEdit;
+    @Getter
+    @Field
+    private final boolean world;
+
+    public BauweltMember(int bauweltID, int memberID, boolean worldEdit, boolean world) {
+        this.bauweltID = bauweltID;
+        this.memberID = memberID;
+        this.worldEdit = worldEdit;
+        this.world = world;
+        memberCache.put(memberID, this);
+    }
+}

src/de/steamwar/sql/CheckedSchematic.java

@@ -0,0 +1,71 @@
+/*
+    This file is a part of the SteamWar software.
+
+    Copyright (C) 2020  SteamWar.de-Serverteam
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+package de.steamwar.sql;
+
+import de.steamwar.sql.internal.Field;
+import de.steamwar.sql.internal.SelectStatement;
+import de.steamwar.sql.internal.Table;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+import java.sql.Timestamp;
+import java.util.List;
+
+@AllArgsConstructor
+public class CheckedSchematic {
+
+    private static final Table<CheckedSchematic> table = new Table<>(CheckedSchematic.class);
+    private static final SelectStatement<CheckedSchematic> statusOfNode = new SelectStatement<>(table, "SELECT * FROM CheckedSchematic WHERE NodeId = ? AND DeclineReason != 'Prüfvorgang abgebrochen' ORDER BY EndTime DESC");
+
+    public static List<CheckedSchematic> getLastDeclinedOfNode(int node){
+        return statusOfNode.listSelect(node);
+    }
+
+    @Field(nullable = true)
+    private final Integer nodeId;
+    @Field
+    private final int nodeOwner;
+    @Field
+    private final String nodeName;
+    @Getter
+    @Field
+    private final int validator;
+    @Getter
+    @Field
+    private final Timestamp startTime;
+    @Getter
+    @Field
+    private final Timestamp endTime;
+    @Getter
+    @Field
+    private final String declineReason;
+
+    public int getNode() {
+        return nodeId;
+    }
+
+    public String getSchemName() {
+        return nodeName;
+    }
+
+    public int getSchemOwner() {
+        return nodeOwner;
+    }
+}

src/de/steamwar/sql/Event.java

@@ -0,0 +1,75 @@
+/* 
+    This file is a part of the SteamWar software.
+    
+    Copyright (C) 2020  SteamWar.de-Serverteam
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+package de.steamwar.sql;
+
+import de.steamwar.sql.internal.Field;
+import de.steamwar.sql.internal.SelectStatement;
+import de.steamwar.sql.internal.Table;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+import java.sql.Timestamp;
+
+@AllArgsConstructor
+public class Event {
+
+    private static final Table<Event> table = new Table<>(Event.class);
+    private static final SelectStatement<Event> byId = table.select(Table.PRIMARY);
+
+    public static Event get(int eventID){
+        return byId.select(eventID);
+    }
+
+    @Getter
+    @Field(keys = {Table.PRIMARY}, autoincrement = true)
+    private final int eventID;
+    @Getter
+    @Field(keys = {"eventName"})
+    private final String eventName;
+    @Getter
+    @Field
+    private final Timestamp deadline;
+    @Getter
+    @Field
+    private final Timestamp start;
+    @Getter
+    @Field
+    private final Timestamp end;
+    @Getter
+    @Field
+    private final int maximumTeamMembers;
+    @Field(nullable = true)
+    private final SchematicType schemType;
+    @Field
+    private final boolean publicSchemsOnly;
+    @Field
+    private final boolean spectateSystem;
+
+    public boolean publicSchemsOnly() {
+        return publicSchemsOnly;
+    }
+    public boolean spectateSystem(){
+        return spectateSystem;
+    }
+
+    public SchematicType getSchematicType() {
+        return schemType;
+    }
+}

src/de/steamwar/sql/EventFight.java

@@ -0,0 +1,72 @@
+/* 
+    This file is a part of the SteamWar software.
+    
+    Copyright (C) 2020  SteamWar.de-Serverteam
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+package de.steamwar.sql;
+
+import de.steamwar.sql.internal.Field;
+import de.steamwar.sql.internal.SelectStatement;
+import de.steamwar.sql.internal.Statement;
+import de.steamwar.sql.internal.Table;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@AllArgsConstructor
+public class EventFight {
+
+    private static final Table<EventFight> table = new Table<>(EventFight.class);
+    private static final SelectStatement<EventFight> byId = table.select(Table.PRIMARY);
+    private static final Statement setResult = table.update(Table.PRIMARY, "Ergebnis");
+    private static final Statement setFight = table.update(Table.PRIMARY, "Fight");
+
+    public static EventFight get(int fightID) {
+        return byId.select(fightID);
+    }
+
+    @Getter
+    @Field
+    private final int eventID;
+    @Getter
+    @Field(keys = {Table.PRIMARY}, autoincrement = true)
+    private final int fightID;
+    @Getter
+    @Field
+    private final int teamBlue;
+    @Getter
+    @Field
+    private final int teamRed;
+    @Getter
+    @Field
+    private final int kampfleiter;
+    @Getter
+    @Field(def = "0")
+    private int ergebnis;
+    @Field(nullable = true)
+    private int fight;
+
+    public void setErgebnis(int winner) {
+        this.ergebnis = winner;
+        setResult.update(winner, fightID);
+    }
+
+    public void setFight(int fight) {
+        //Fight.FightID, not EventFight.FightID
+        this.fight = fight;
+        setFight.update(fight, fightID);
+    }
+}

src/de/steamwar/sql/Fight.java

@@ -0,0 +1,61 @@
+/* 
+    This file is a part of the SteamWar software.
+    
+    Copyright (C) 2020  SteamWar.de-Serverteam
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+package de.steamwar.sql;
+
+import de.steamwar.sql.internal.Field;
+import de.steamwar.sql.internal.Statement;
+import de.steamwar.sql.internal.Table;
+import lombok.AllArgsConstructor;
+
+import java.sql.Timestamp;
+
+@AllArgsConstructor
+public class Fight {
+
+    private static final Table<Fight> table = new Table<>(Fight.class);
+    private static final Statement insert = table.insertFields(true, "GameMode", "Server", "StartTime", "Duration", "BlueLeader", "RedLeader", "BlueSchem", "RedSchem", "Win", "WinCondition");
+
+    @Field(keys = {Table.PRIMARY}, autoincrement = true)
+    private final int fightID;
+    @Field
+    private final String gameMode;
+    @Field
+    private final String server;
+    @Field
+    private final Timestamp startTime;
+    @Field
+    private final int duration;
+    @Field
+    private final int blueLeader;
+    @Field
+    private final int redLeader;
+    @Field(nullable = true)
+    private final Integer blueSchem;
+    @Field(nullable = true)
+    private final Integer redSchem;
+    @Field
+    private final int win;
+    @Field
+    private final String wincondition;
+
+    public static int create(String gamemode, String server, Timestamp starttime, int duration, int blueleader, int redleader, Integer blueschem, Integer redschem, int win, String wincondition){
+        return insert.insertGetKey(gamemode, server, starttime, duration, blueleader, redleader, blueschem, redschem, win, wincondition);
+    }
+}

src/de/steamwar/sql/FightPlayer.java

@@ -0,0 +1,49 @@
+/* 
+    This file is a part of the SteamWar software.
+    
+    Copyright (C) 2020  SteamWar.de-Serverteam
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+package de.steamwar.sql;
+
+import de.steamwar.sql.internal.Field;
+import de.steamwar.sql.internal.Statement;
+import de.steamwar.sql.internal.Table;
+import lombok.AllArgsConstructor;
+
+@AllArgsConstructor
+public class FightPlayer {
+
+    private static final Table<FightPlayer> table = new Table<>(FightPlayer.class);
+    private static final Statement create = table.insertAll();
+
+    @Field(keys = {Table.PRIMARY})
+    private final int fightID;
+    @Field(keys = {Table.PRIMARY})
+    private final int userID;
+    @Field
+    private final int team;
+    @Field
+    private final String kit;
+    @Field
+    private final int kills;
+    @Field
+    private final boolean isOut;
+
+    public static void create(int fightID, int userID, boolean blue, String kit, int kills, boolean isOut) {
+        create.update(fightID, userID, blue ? 1 : 2, kit, kills, isOut);
+    }
+}

src/de/steamwar/sql/NoClipboardException.java

@@ -0,0 +1,23 @@
+/* 
+    This file is a part of the SteamWar software.
+    
+    Copyright (C) 2020  SteamWar.de-Serverteam
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+package de.steamwar.sql;
+
+public class NoClipboardException extends RuntimeException {
+}

src/de/steamwar/sql/NodeDownload.java

@@ -0,0 +1,69 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2021  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.sql;
+
+import de.steamwar.sql.internal.Field;
+import de.steamwar.sql.internal.Statement;
+import de.steamwar.sql.internal.Table;
+import lombok.AllArgsConstructor;
+
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.security.Timestamp;
+import java.time.Instant;
+
+@AllArgsConstructor
+public class NodeDownload {
+
+    private static final char[] HEX = new char[]{'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
+    private static final String LINK_BASE = "https://steamwar.de/download.php?schem=";
+
+    private static final Table<NodeDownload> table = new Table<>(NodeDownload.class);
+    private static final Statement insert = table.insertFields("NodeId", "Link");
+
+    @Field(keys = {Table.PRIMARY})
+    private final int nodeId;
+    @Field
+    private final String link;
+    @Field(def = "CURRENT_TIMESTAMP")
+    private final Timestamp timestamp;
+
+    public static String getLink(SchematicNode schem){
+        if(schem.isDir())
+            throw new SecurityException("Can not Download Directorys");
+        MessageDigest digest;
+        try {
+            digest = MessageDigest.getInstance("SHA-1");
+        } catch (NoSuchAlgorithmException e) {
+            throw new SecurityException(e);
+        }
+        digest.reset();
+        digest.update((Instant.now().toString() + schem.getOwner() + schem.getId()).getBytes());
+        String hash = base16encode(digest.digest());
+        insert.update(schem.getId(), hash);
+        return LINK_BASE + hash;
+    }
+    public static String base16encode(byte[] byteArray) {
+        StringBuilder hexBuffer = new StringBuilder(byteArray.length * 2);
+        for (byte b : byteArray)
+            hexBuffer.append(HEX[(b >>> 4) & 0xF]).append(HEX[b & 0xF]);
+        return hexBuffer.toString();
+    }
+}

src/de/steamwar/sql/NodeMember.java

@@ -0,0 +1,78 @@
+/*
+ *    This file is a part of the SteamWar software.
+ *
+ *    Copyright (C) 2020  SteamWar.de-Serverteam
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU Affero General Public License as published by
+ *    the Free Software Foundation, either version 3 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *    GNU Affero General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Affero General Public License
+ *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.sql;
+
+import de.steamwar.sql.internal.Field;
+import de.steamwar.sql.internal.SelectStatement;
+import de.steamwar.sql.internal.Statement;
+import de.steamwar.sql.internal.Table;
+import lombok.AllArgsConstructor;
+
+import java.util.HashSet;
+import java.util.Set;
+
+@AllArgsConstructor
+public class NodeMember {
+
+    public static void init() {
+        // enforce class initialization
+    }
+
+    private static final Table<NodeMember> table = new Table<>(NodeMember.class);
+    private static final SelectStatement<NodeMember> getNodeMember = table.select(Table.PRIMARY);
+    private static final SelectStatement<NodeMember> getNodeMembers = table.selectFields("NodeId");
+    private static final SelectStatement<NodeMember> getSchematics = table.selectFields("UserId");
+    private static final Statement create = table.insertAll();
+    private static final Statement delete = table.delete(Table.PRIMARY);
+
+    @Field(keys = {Table.PRIMARY})
+    private final int nodeId;
+    @Field(keys = {Table.PRIMARY})
+    private final int userId;
+
+    public int getNode() {
+        return nodeId;
+    }
+
+    public int getMember() {
+        return userId;
+    }
+
+    public void delete() {
+        delete.update(nodeId, userId);
+    }
+
+    public static NodeMember createNodeMember(int node, int member) {
+        create.update(node, member);
+        return new NodeMember(node, member);
+    }
+
+    public static NodeMember getNodeMember(int node, int member) {
+        return getNodeMember.select(node, member);
+    }
+
+    public static Set<NodeMember> getNodeMembers(int node) {
+        return new HashSet<>(getNodeMembers.listSelect(node));
+    }
+
+    public static Set<NodeMember> getSchematics(int member) {
+        return new HashSet<>(getSchematics.listSelect(member));
+    }
+}

src/de/steamwar/sql/Punishment.java

@@ -0,0 +1,122 @@
+/*
+ *    This file is a part of the SteamWar software.
+ *
+ *    Copyright (C) 2022  SteamWar.de-Serverteam
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU Affero General Public License as published by
+ *    the Free Software Foundation, either version 3 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *    GNU Affero General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Affero General Public License
+ *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.sql;
+
+import de.steamwar.sql.internal.Field;
+import de.steamwar.sql.internal.SelectStatement;
+import de.steamwar.sql.internal.SqlTypeMapper;
+import de.steamwar.sql.internal.Table;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+import java.sql.Timestamp;
+import java.time.format.DateTimeFormatter;
+import java.util.Date;
+import java.util.Map;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+
+@AllArgsConstructor
+public class Punishment {
+
+    static {
+        SqlTypeMapper.nameEnumMapper(PunishmentType.class);
+    }
+
+    private static final Table<Punishment> table = new Table<>(Punishment.class, "Punishments");
+    private static final SelectStatement<Punishment> getPunishments = new SelectStatement<>(table, "SELECT * FROM Punishments WHERE PunishmentId IN (SELECT MAX(PunishmentId) FROM Punishments WHERE UserId = ? GROUP BY Type)");
+    private static final SelectStatement<Punishment> getPunishment = new SelectStatement<>(table, "SELECT * FROM Punishments WHERE UserId = ? AND Type = ? ORDER BY PunishmentId DESC LIMIT 1");
+
+    @Field(keys = {Table.PRIMARY}, autoincrement = true)
+    private final int punishmentId;
+    @Field
+    private final int userId;
+    @Field
+    @Getter
+    private final int punisher;
+    @Field
+    @Getter
+    private final PunishmentType type;
+    @Field
+    @Getter
+    private final Timestamp startTime;
+    @Field
+    @Getter
+    private final Timestamp endTime;
+    @Field
+    @Getter
+    private final boolean perma;
+    @Field
+    @Getter
+    private final String reason;
+
+    public static Punishment getPunishmentOfPlayer(int user, PunishmentType type) {
+        return getPunishment.select(user, type);
+    }
+
+    public static Map<PunishmentType, Punishment> getPunishmentsOfPlayer(int user) {
+        return getPunishments.listSelect(user).stream().collect(Collectors.toMap(Punishment::getType, punishment -> punishment));
+    }
+
+    public static boolean isPunished(SteamwarUser user, Punishment.PunishmentType type, Consumer<Punishment> callback) {
+        Punishment punishment = Punishment.getPunishmentOfPlayer(user.getId(), type);
+        if(punishment == null || !punishment.isCurrent()) {
+            return false;
+        } else {
+            callback.accept(punishment);
+            return true;
+        }
+    }
+
+    @Deprecated // Not multiling, misleading title
+    public String getBantime(Timestamp endTime, boolean perma) {
+        if (perma) {
+            return "permanent";
+        } else {
+            return endTime.toLocalDateTime().format(DateTimeFormatter.ofPattern("dd.MM.yyyy HH:mm"));
+        }
+    }
+
+    public int getUserId() {
+        return userId;
+    }
+
+    public boolean isCurrent() {
+        return isPerma() || getEndTime().after(new Date());
+    }
+
+    @AllArgsConstructor
+    @Getter
+    public enum PunishmentType {
+        Ban(false, "BAN_TEAM", "BAN_PERMA", "BAN_UNTIL", "UNBAN_ERROR", "UNBAN"),
+        Mute( false, "MUTE_TEAM", "MUTE_PERMA", "MUTE_UNTIL", "UNMUTE_ERROR", "UNMUTE"),
+        NoSchemReceiving(false, "NOSCHEMRECEIVING_TEAM", "NOSCHEMRECEIVING_PERMA", "NOSCHEMRECEIVING_UNTIL", "UNNOSCHEMRECEIVING_ERROR", "UNNOSCHEMRECEIVING"),
+        NoSchemSharing(false, "NOSCHEMSHARING_TEAM", "NOSCHEMSHARING_PERMA", "NOSCHEMSHARING_UNTIL", "UNNOSCHEMSHARING_ERROR", "UNNOSCHEMSHARING"),
+        NoSchemSubmitting(true, "NOSCHEMSUBMITTING_TEAM", "NOSCHEMSUBMITTING_PERMA", "NOSCHEMSUBMITTING_UNTIL", "UNNOSCHEMSUBMITTING_ERROR", "UNNOSCHEMSUBMITTING"),
+        NoDevServer(true, "NODEVSERVER_TEAM", "NODEVSERVER_PERMA", "NODEVSERVER_UNTIL", "UNNODEVSERVER_ERROR", "UNNODEVSERVER");
+
+        private final boolean needsAdmin;
+        private final String teamMessage;
+        private final String playerMessagePerma;
+        private final String playerMessageUntil;
+        private final String usageNotPunished;
+        private final String unpunishmentMessage;
+    }
+}

src/de/steamwar/sql/Replay.java

@@ -0,0 +1,74 @@
+/*
+ *    This file is a part of the SteamWar software.
+ *
+ *    Copyright (C) 2022  SteamWar.de-Serverteam
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU Affero General Public License as published by
+ *    the Free Software Foundation, either version 3 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *    GNU Affero General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Affero General Public License
+ *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.sql;
+
+import de.steamwar.sql.internal.*;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.StandardCopyOption;
+import java.sql.SQLException;
+
+@AllArgsConstructor
+public class Replay {
+
+    static {
+        new SqlTypeMapper<>(File.class, "BLOB", (rs, identifier) -> {
+            try {
+                File file = File.createTempFile("replay", ".replay");
+                file.deleteOnExit();
+                Files.copy(rs.getBinaryStream(identifier), file.toPath(), StandardCopyOption.REPLACE_EXISTING);
+                return file;
+            } catch (IOException e) {
+                throw new SQLException(e);
+            }
+        }, (st, index, value) -> {
+            try {
+                st.setBinaryStream(index, new FileInputStream(value));
+            } catch (FileNotFoundException e) {
+                throw new SQLException(e);
+            }
+        });
+    }
+
+    private static final Table<Replay> table = new Table<>(Replay.class);
+    private static final SelectStatement<Replay> get = table.select(Table.PRIMARY);
+
+    public static final Statement insert = table.insertAll();
+
+    public static Replay get(int fightID) {
+        return get.select(fightID);
+    }
+
+    public static void save(int fightID, File file) {
+        insert.update(fightID, file);
+    }
+
+    @Field(keys = {Table.PRIMARY})
+    private final int fightID;
+    @Getter
+    @Field
+    private final File replay;
+}

src/de/steamwar/sql/SQLWrapper.java

@@ -0,0 +1,33 @@
+/*
+ *    This file is a part of the SteamWar software.
+ *
+ *    Copyright (C) 2022  SteamWar.de-Serverteam
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU Affero General Public License as published by
+ *    the Free Software Foundation, either version 3 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *    GNU Affero General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Affero General Public License
+ *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.sql;
+
+import de.steamwar.ImplementationProvider;
+
+import java.util.List;
+import java.util.Map;
+
+public interface SQLWrapper {
+    SQLWrapper impl = ImplementationProvider.getImpl("de.steamwar.sql.SQLWrapperImpl");
+
+    void loadSchemTypes(List<SchematicType> tmpTypes, Map<String, SchematicType> tmpFromDB);
+
+    void additionalExceptionMetadata(StringBuilder builder);
+}

src/de/steamwar/sql/SWException.java

@@ -0,0 +1,61 @@
+/*
+ *    This file is a part of the SteamWar software.
+ *
+ *    Copyright (C) 2022  SteamWar.de-Serverteam
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU Affero General Public License as published by
+ *    the Free Software Foundation, either version 3 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *    GNU Affero General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Affero General Public License
+ *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.sql;
+
+import de.steamwar.sql.internal.Field;
+import de.steamwar.sql.internal.Statement;
+import de.steamwar.sql.internal.Table;
+import lombok.AllArgsConstructor;
+
+import java.io.File;
+import java.sql.Timestamp;
+
+@AllArgsConstructor
+public class SWException {
+
+    public static void init() {
+        // force class initialialisation
+    }
+
+    private static final String CWD = System.getProperty("user.dir");
+    private static final String SERVER_NAME = new File(CWD).getName();
+
+    private static final Table<SWException> table = new Table<>(SWException.class, "Exception");
+    private static final Statement insert = table.insertFields("server", "message", "stacktrace");
+
+    @Field(keys = {Table.PRIMARY}, autoincrement = true)
+    private final int id;
+    @Field(def = "CURRENT_TIMESTAMP")
+    private final Timestamp time;
+    @Field
+    private final String server;
+    @Field
+    private final String message;
+    @Field
+    private final String stacktrace;
+
+    public static void log(String message, String stacktrace){
+        StringBuilder msgBuilder = new StringBuilder(message);
+        SQLWrapper.impl.additionalExceptionMetadata(msgBuilder);
+        msgBuilder.append("\nCWD: ").append(CWD);
+
+        insert.update(SERVER_NAME, msgBuilder.toString(), stacktrace);
+    }
+}

src/de/steamwar/sql/SchemElo.java

@@ -0,0 +1,44 @@
+/*
+ *    This file is a part of the SteamWar software.
+ *
+ *    Copyright (C) 2022  SteamWar.de-Serverteam
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU Affero General Public License as published by
+ *    the Free Software Foundation, either version 3 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *    GNU Affero General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Affero General Public License
+ *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.sql;
+
+import de.steamwar.sql.internal.Field;
+import de.steamwar.sql.internal.SelectStatement;
+import de.steamwar.sql.internal.Table;
+import lombok.AllArgsConstructor;
+
+@AllArgsConstructor
+public class SchemElo {
+
+    private static final Table<SchemElo> table = new Table<>(SchemElo.class);
+    private static final SelectStatement<SchemElo> select = table.select(Table.PRIMARY);
+
+    @Field(keys = {Table.PRIMARY})
+    private final int schemId;
+    @Field
+    private final int elo;
+    @Field(keys = {Table.PRIMARY})
+    private final int season;
+
+    public static int getElo(SchematicNode node, int season) {
+        SchemElo elo = select.select(node, season);
+        return elo != null ? elo.elo : 0;
+    }
+}

src/de/steamwar/sql/SchematicNode.java

@@ -0,0 +1,547 @@
+/*
+ *    This file is a part of the SteamWar software.
+ *
+ *    Copyright (C) 2020  SteamWar.de-Serverteam
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU Affero General Public License as published by
+ *    the Free Software Foundation, either version 3 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *    GNU Affero General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Affero General Public License
+ *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.sql;
+
+import de.steamwar.sql.internal.*;
+import lombok.AccessLevel;
+import lombok.Setter;
+
+import java.io.ByteArrayOutputStream;
+import java.io.PrintStream;
+import java.sql.Timestamp;
+import java.time.Instant;
+import java.util.*;
+import java.util.concurrent.atomic.AtomicInteger;
+import java.util.function.Predicate;
+import java.util.stream.Collectors;
+
+public class SchematicNode {
+
+    static {
+        new SqlTypeMapper<>(SchematicNode.class, null, (rs, identifier) -> { throw new SecurityException("SchematicNode cannot be used as type (recursive select)"); }, (st, index, value) -> st.setInt(index, value.nodeId));
+    }
+
+    private static final Map<Integer, Map<String, List<String>>> TAB_CACHE = new HashMap<>();
+    public static void clear() {
+        TAB_CACHE.clear();
+    }
+
+    private static final String[] fields = {"NodeId", "NodeOwner", "NodeName", "ParentNode", "LastUpdate", "NodeItem", "NodeType", "NodeRank", "ReplaceColor", "AllowReplay", "NodeFormat"};
+    private static String nodeSelectCreator(String itemPrefix) {
+        return "SELECT " +  Arrays.stream(fields).map(s -> itemPrefix + s).collect(Collectors.joining(", ")) + " FROM SchematicNode ";
+    }
+
+    private static final Table<SchematicNode> table = new Table<>(SchematicNode.class);
+    private static final Statement create = table.insertFields(true, "NodeOwner", "NodeName", "ParentNode", "NodeItem", "NodeType");
+    private static final Statement update = table.insertAll();
+    private static final Statement delete = table.delete(Table.PRIMARY);
+
+    private static final SelectStatement<SchematicNode> byId = table.select(Table.PRIMARY);
+    private static final SelectStatement<SchematicNode> byOwnerNameParent = table.select("OwnerNameParent");
+    private static final SelectStatement<SchematicNode> byOwnerNameParent_null = new SelectStatement<>(table, nodeSelectCreator("") + "WHERE NodeOwner = ? AND NodeName = ? AND ParentNode is NULL");
+    private static final SelectStatement<SchematicNode> byParent = new SelectStatement<>(table, nodeSelectCreator("") + "WHERE ParentNode = ? ORDER BY NodeName");
+    private static final SelectStatement<SchematicNode> byParent_null = new SelectStatement<>(table, nodeSelectCreator("") + "WHERE ParentNode is NULL ORDER BY NodeName");
+    private static final SelectStatement<SchematicNode> dirsByParent = new SelectStatement<>(table, nodeSelectCreator("") + "WHERE ParentNode = ? AND NodeType is NULL ORDER BY NodeName");
+    private static final SelectStatement<SchematicNode> dirsByParent_null = new SelectStatement<>(table, nodeSelectCreator("") + "WHERE ParentNode is NULL AND NodeType is NULL ORDER BY NodeName");
+    private static final SelectStatement<SchematicNode> byParentName = table.selectFields("NodeName", "ParentNode");
+    private static final SelectStatement<SchematicNode> byParentName_null = new SelectStatement<>(table, nodeSelectCreator("") + "WHERE NodeName = ? AND ParentNode is NULL");
+    private static final SelectStatement<SchematicNode> accessibleByUserTypeParent = new SelectStatement<>(table, "WITH RECURSIVE RSNB AS (WITH RECURSIVE RSN as (" + nodeSelectCreator("s.") + "s LEFT JOIN NodeMember n ON s.NodeId = n.NodeId WHERE (s.NodeOwner = ? OR n.UserId = ?) GROUP BY s.NodeId UNION " + nodeSelectCreator("SN.") + "AS SN, RSN WHERE SN.ParentNode = RSN.NodeId) SELECT * FROM RSN WHERE NodeType = ? UNION " + nodeSelectCreator("SN.") + "AS SN, RSNB WHERE SN.NodeId = RSNB.ParentNode)SELECT * FROM RSNB WHERE ParentNode = ? ORDER BY NodeName");
+    private static final SelectStatement<SchematicNode> accessibleByUserTypeParent_Null = new SelectStatement<>(table, "WITH RECURSIVE RSNB AS (WITH RECURSIVE RSN as (" + nodeSelectCreator("s.") + "s LEFT JOIN NodeMember n ON s.NodeId = n.NodeId WHERE (s.NodeOwner = ? OR n.UserId = ?) GROUP BY s.NodeId UNION " + nodeSelectCreator("SN.") + "AS SN, RSN WHERE SN.ParentNode = RSN.NodeId) SELECT * FROM RSN WHERE NodeType = ? UNION " + nodeSelectCreator("SN.") + "AS SN, RSNB WHERE SN.NodeId = RSNB.ParentNode)SELECT * FROM RSNB WHERE ParentNode is null ORDER BY NodeName");
+    private static final SelectStatement<SchematicNode> accessibleByUserType = new SelectStatement<>(table, "WITH RECURSIVE RSN as (" + nodeSelectCreator("s.") + "s LEFT JOIN NodeMember n ON s.NodeId = n.NodeId WHERE (s.NodeOwner = ? OR n.UserId = ?) GROUP BY s.NodeId UNION " + nodeSelectCreator("SN.") + "AS SN, RSN WHERE SN.ParentNode = RSN.NodeId) SELECT * FROM RSN WHERE NodeType = ? ORDER BY NodeName");
+    private static final SelectStatement<SchematicNode> byOwnerType = new SelectStatement<>(table, nodeSelectCreator("") + "WHERE NodeOwner = ? AND NodeType = ? ORDER BY NodeName");
+    private static final SelectStatement<SchematicNode> byType = new SelectStatement<>(table, nodeSelectCreator("") + "WHERE NodeType = ? ORDER BY NodeName");
+    private static final SelectStatement<SchematicNode> accessibleByUser = new SelectStatement<>(table, nodeSelectCreator("s.") + "s LEFT JOIN NodeMember n ON s.NodeId = n.NodeId WHERE (s.NodeOwner = ? OR n.UserId = ?) AND ((s.NodeOwner = ? AND s.ParentNode IS NULL) OR NOT s.NodeOwner = ?) GROUP BY s.NodeId ORDER BY s.NodeName");
+    private static final Statement schematicAccessibleForUser = new Statement("WITH RECURSIVE RSN AS (" + nodeSelectCreator("") + "WHERE NodeId = ? UNION " + nodeSelectCreator("SN.") + "SN, RSN WHERE RSN.ParentNode = SN.NodeId) SELECT COUNT(RSN.NodeId) AS `Accessible` FROM RSN LEFT Join NodeMember NM On NM.NodeId = RSN.NodeId WHERE NodeOwner = ? OR UserId = ? LIMIT 1");
+    private static final SelectStatement<SchematicNode> allAccessibleByUser = new SelectStatement<>(table, "WITH RECURSIVE RSN as (" + nodeSelectCreator("s.") + "s LEFT JOIN NodeMember n ON s.NodeId = n.NodeId WHERE (s.NodeOwner = ? OR n.UserId = ?) GROUP BY s.NodeId UNION " + nodeSelectCreator("SN.") + "AS SN, RSN WHERE SN.ParentNode = RSN.NodeId) SELECT * FROM RSN ORDER BY NodeName");
+    private static final SelectStatement<SchematicNode> allParentsOfNode = new SelectStatement<>(table, "WITH RECURSIVE RSN AS (" + nodeSelectCreator("") + "WHERE NodeId = ? UNION " + nodeSelectCreator("SN.") + "SN, RSN WHERE RSN.ParentNode = SN.NodeId) SELECT * FROM RSN ORDER BY NodeName");
+
+    static {
+        NodeMember.init();
+    }
+
+    @Field(keys = {Table.PRIMARY}, autoincrement = true)
+    private final int nodeId;
+    @Field(keys = {"OwnerNameParent"})
+    private final int nodeOwner;
+    @Field(keys = {"OwnerNameParent"})
+    private String nodeName;
+    @Field(keys = {"OwnerNameParent"}, nullable = true)
+    private Integer parentNode;
+    @Field(def = "CURRENT_TIMESTAMP")
+    private Timestamp lastUpdate;
+    @Field(def = "''")
+    private String nodeItem;
+    @Field(def = "'normal'", nullable = true)
+    private SchematicType nodeType;
+    @Field(def = "0")
+    private int nodeRank;
+    @Field(def = "1")
+    private boolean replaceColor;
+    @Field(def = "1")
+    private boolean allowReplay;
+    @Setter(AccessLevel.PACKAGE)
+    @Field(def = "1")
+    private boolean nodeFormat;
+
+    private final Map<Integer, String> brCache = new HashMap<>();
+
+    public SchematicNode(
+            int nodeId,
+            int nodeOwner,
+            String nodeName,
+            Integer parentNode,
+            Timestamp lastUpdate,
+            String nodeItem,
+            SchematicType nodeType,
+            int nodeRank,
+            boolean replaceColor,
+            boolean allowReplay,
+            boolean nodeFormat
+    ) {
+        this.nodeId = nodeId;
+        this.nodeOwner = nodeOwner;
+        this.nodeName = nodeName;
+        this.parentNode = parentNode;
+        this.nodeItem = nodeItem;
+        this.nodeType = nodeType;
+        this.lastUpdate = lastUpdate;
+        this.nodeRank = nodeRank;
+        this.replaceColor = replaceColor;
+        this.allowReplay = allowReplay;
+        this.nodeFormat = nodeFormat;
+    }
+
+    public static SchematicNode createSchematic(int owner, String name, Integer parent) {
+        return createSchematicNode(owner, name, parent, SchematicType.Normal.toDB(), "");
+    }
+
+    public static SchematicNode createSchematicDirectory(int owner, String name, Integer parent) {
+        return createSchematicNode(owner, name, parent, null, "");
+    }
+
+    public static SchematicNode createSchematicNode(int owner, String name, Integer parent, String type, String item) {
+        if (parent != null && parent == 0)
+            parent = null;
+        int nodeId = create.insertGetKey(owner, name, parent, item, type);
+        return getSchematicNode(nodeId);
+    }
+
+    public static SchematicNode getSchematicNode(int owner, String name, SchematicNode parent) {
+        return getSchematicNode(owner, name, parent.getId());
+    }
+
+    public static SchematicNode getSchematicNode(int owner, String name, Integer parent) {
+        if (parent == null || parent == 0)
+            return byOwnerNameParent_null.select(owner, name);
+        return byOwnerNameParent.select(owner, name, parent);
+    }
+
+    public static List<SchematicNode> getSchematicNodeInNode(SchematicNode parent) {
+        return getSchematicNodeInNode(parent.getId());
+    }
+
+    public static List<SchematicNode> getSchematicNodeInNode(Integer parent) {
+        if(parent == null || parent == 0) {
+            rootWarning();
+            return byParent_null.listSelect();
+        }
+
+        return byParent.listSelect(parent);
+    }
+
+    public static List<SchematicNode> getSchematicDirectoryInNode(Integer parent) {
+        if(parent == null || parent == 0) {
+            rootWarning();
+            return dirsByParent_null.listSelect();
+        }
+        return dirsByParent.listSelect(parent);
+    }
+
+    @Deprecated
+    public static SchematicNode getSchematicDirectory(String name, SchematicNode parent) {
+        return getSchematicNode(name, parent.getId());
+    }
+
+    @Deprecated
+    public static SchematicNode getSchematicDirectory(String name, Integer parent) {
+        return getSchematicNode(name, parent);
+    }
+
+    public static SchematicNode getSchematicNode(String name, Integer parent) {
+        if(parent == null || parent == 0) {
+            rootWarning();
+            return byParentName_null.select(name);
+        }
+        return byParentName.select(name, parent);
+    }
+
+    public static SchematicNode getSchematicNode(int id) {
+        return byId.select(id);
+    }
+
+    public static List<SchematicNode> getAccessibleSchematicsOfTypeInParent(int owner, String schemType, Integer parent) {
+        if(parent == null || parent == 0)
+            return accessibleByUserTypeParent_Null.listSelect(owner, owner, schemType);
+        return accessibleByUserTypeParent.listSelect(owner, owner, schemType, parent);
+    }
+
+    public static List<SchematicNode> getAllAccessibleSchematicsOfType(int user, String schemType) {
+        return accessibleByUserType.listSelect(user, user, schemType);
+    }
+
+    public static List<SchematicNode> getAllSchematicsOfType(int owner, String schemType) {
+        return byOwnerType.listSelect(owner, schemType);
+    }
+
+    @Deprecated
+    public static List<SchematicNode> getAllSchematicsOfType(String schemType) {
+        return byType.listSelect(schemType);
+    }
+
+    public static List<SchematicNode> getAllSchematicsOfType(SchematicType schemType) {
+        return byType.listSelect(schemType);
+    }
+
+    public static List<SchematicNode> deepGet(Integer parent, Predicate<SchematicNode> filter) {
+        List<SchematicNode> finalList = new ArrayList<>();
+        List<SchematicNode> nodes = SchematicNode.getSchematicNodeInNode(parent);
+        nodes.forEach(node -> {
+            if (node.isDir()) {
+                finalList.addAll(deepGet(node.getId(), filter));
+            } else {
+                if (filter.test(node))
+                    finalList.add(node);
+            }
+        });
+        return finalList;
+    }
+
+    public static List<SchematicNode> getSchematicsAccessibleByUser(int user, Integer parent) {
+        if (parent == null || parent == 0)
+            return accessibleByUser.listSelect(user, user, user, user);
+
+        if(schematicAccessibleForUser.select(rs -> {
+            rs.next();
+            return rs.getInt("Accessible") > 0;
+        }, parent, user, user))
+            return getSchematicNodeInNode(parent);
+
+        return Collections.emptyList();
+    }
+
+    public static List<SchematicNode> getAllSchematicsAccessibleByUser(int user) {
+        return allAccessibleByUser.listSelect(user, user);
+    }
+
+    public static List<SchematicNode> getAllParentsOfNode(SchematicNode node) {
+        return getAllParentsOfNode(node.getId());
+    }
+
+    public static List<SchematicNode> getAllParentsOfNode(int node) {
+        return allParentsOfNode.listSelect(node);
+    }
+
+    public static SchematicNode getNodeFromPath(SteamwarUser user, String s) {
+        if (s.startsWith("/")) {
+            s = s.substring(1);
+        }
+        if (s.isEmpty()) {
+            return null;
+        }
+        if (s.contains("/")) {
+            String[] layers = s.split("/");
+            SchematicNode currentNode = null;
+            for (int i = 0; i < layers.length; i++) {
+                int finalI = i;
+                Optional<SchematicNode> node;
+                if (currentNode == null) {
+                    node = SchematicNode.getSchematicsAccessibleByUser(user.getId(), 0).stream().filter(node1 -> node1.getName().equals(layers[finalI])).findAny();
+                } else {
+                    node = Optional.ofNullable(SchematicNode.getSchematicNode(layers[i], currentNode.getId()));
+                }
+                if (!node.isPresent()) {
+                    return null;
+                } else {
+                    currentNode = node.get();
+                    if (!currentNode.isDir() && i != layers.length - 1) {
+                        return null;
+                    }
+                }
+            }
+            return currentNode;
+        } else {
+            String finalS = s;
+            return SchematicNode.getSchematicsAccessibleByUser(user.getId(), 0).stream().filter(node1 -> node1.getName().equals(finalS)).findAny().orElse(null);
+        }
+    }
+
+    public static List<SchematicNode> filterSchems(int user, Predicate<SchematicNode> filter) {
+        List<SchematicNode> finalList = new ArrayList<>();
+        List<SchematicNode> nodes = getSchematicsAccessibleByUser(user, null);
+        nodes.forEach(node -> {
+            if (node.isDir()) {
+                finalList.addAll(deepGet(node.getId(), filter));
+            } else {
+                if (filter.test(node))
+                    finalList.add(node);
+            }
+        });
+        return finalList;
+    }
+
+    @Deprecated
+    public static Integer countNodes() {
+        return -1;
+    }
+
+    public int getId() {
+        return nodeId;
+    }
+
+    public int getOwner() {
+        return nodeOwner;
+    }
+
+    public String getName() {
+        return nodeName;
+    }
+
+    public void setName(String name) {
+        this.nodeName = name;
+        updateDB();
+    }
+
+    public Integer getParent() {
+        return parentNode;
+    }
+
+    public void setParent(Integer parent) {
+        this.parentNode = parent;
+        updateDB();
+    }
+
+    public String getItem() {
+        if (nodeItem.isEmpty()) {
+            return isDir() ? "CHEST" : "CAULDRON_ITEM";
+        }
+        return nodeItem;
+    }
+
+    public void setItem(String item) {
+        this.nodeItem = item;
+        updateDB();
+    }
+
+    @Deprecated
+    public String getType() {
+        return nodeType.name();
+    }
+
+    @Deprecated
+    public void setType(String type) {
+        if(isDir())
+            throw new SecurityException("Node is Directory");
+        this.nodeType = SchematicType.fromDB(type);
+        updateDB();
+    }
+
+    public boolean isDir() {
+        return nodeType == null;
+    }
+
+    public boolean getSchemFormat() {
+        if(isDir())
+            throw new SecurityException("Node is Directory");
+        return nodeFormat;
+    }
+
+    public int getRank() {
+        if(isDir())
+            throw new SecurityException("Node is Directory");
+        return nodeRank;
+    }
+
+    @Deprecated
+    public int getRankUnsafe() {
+        return nodeRank;
+    }
+
+    public void setRank(int rank) {
+        if(isDir())
+            throw new SecurityException("Node is Directory");
+        this.nodeRank = rank;
+    }
+
+    public SchematicType getSchemtype() {
+        if(isDir())
+            throw new SecurityException("Is Directory");
+        return nodeType;
+    }
+
+    public void setSchemtype(SchematicType type) {
+        if(isDir())
+            throw new SecurityException("Is Directory");
+        this.nodeType = type;
+        updateDB();
+    }
+
+    public boolean replaceColor() {
+        return replaceColor;
+    }
+
+    public void setReplaceColor(boolean replaceColor) {
+        if(isDir())
+            throw new SecurityException("Is Directory");
+        this.replaceColor = replaceColor;
+        updateDB();
+    }
+
+    public boolean allowReplay() {
+        return allowReplay;
+    }
+
+    public void setAllowReplay(boolean allowReplay) {
+        if(isDir())
+            throw new SecurityException("Is Directory");
+        this.allowReplay = allowReplay;
+        updateDB();
+    }
+
+    public SchematicNode getParentNode() {
+        if(parentNode == null) return null;
+        return SchematicNode.getSchematicNode(parentNode);
+    }
+
+    public int getElo(int season) {
+        return SchemElo.getElo(this, season);
+    }
+
+    public boolean accessibleByUser(int user) {
+        return NodeMember.getNodeMember(nodeId, user) != null;
+    }
+
+    public Set<NodeMember> getMembers() {
+        return NodeMember.getNodeMembers(nodeId);
+    }
+
+    public Timestamp getLastUpdate() {
+        return lastUpdate;
+    }
+
+    private void updateDB() {
+        this.lastUpdate = Timestamp.from(Instant.now());
+        update.update(nodeId, nodeOwner, nodeName, parentNode, lastUpdate, nodeItem, nodeType, nodeRank, replaceColor, allowReplay, nodeFormat);
+        this.brCache.clear();
+        TAB_CACHE.clear();
+    }
+
+    public void delete() {
+        delete.update(nodeId);
+    }
+
+    @Override
+    public int hashCode() {
+        return nodeId;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (!(obj instanceof SchematicNode))
+            return false;
+
+        return ((SchematicNode) obj).getId() == nodeId;
+    }
+
+    public String generateBreadcrumbs(SteamwarUser user) {
+        return brCache.computeIfAbsent(user.getId(), integer -> generateBreadcrumbs("/", user));
+    }
+
+    public String generateBreadcrumbs(String split, SteamwarUser user) {
+        StringBuilder builder = new StringBuilder(getName());
+        SchematicNode currentNode = this;
+        if (currentNode.isDir()) builder.append("/");
+        final Set<NodeMember> nodeMembers = NodeMember.getSchematics(user.getId());
+        AtomicInteger i = new AtomicInteger();
+        i.set(currentNode.getId());
+        while (currentNode.getParentNode() != null && nodeMembers.stream().noneMatch(nodeMember -> nodeMember.getNode() == i.get())) {
+            currentNode = currentNode.getParentNode();
+            i.set(currentNode.getId());
+            builder.insert(0, split)
+                    .insert(0, currentNode.getName());
+        }
+        return builder.toString();
+    }
+
+    private static final List<String> FORBIDDEN_NAMES = Collections.unmodifiableList(Arrays.asList("public"));
+    public static boolean invalidSchemName(String[] layers) {
+        for (String layer : layers) {
+            if (layer.isEmpty()) {
+                return true;
+            }
+            if (layer.contains("/") ||
+                    layer.contains("\\") ||
+                    layer.contains("<") ||
+                    layer.contains(">") ||
+                    layer.contains("^") ||
+                    layer.contains("°") ||
+                    layer.contains("'") ||
+                    layer.contains("\"") ||
+                    layer.contains(" ")) {
+                return true;
+            }
+            if(FORBIDDEN_NAMES.contains(layer.toLowerCase())) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    public static List<String> getNodeTabcomplete(SteamwarUser user, String s) {
+        boolean sws = s.startsWith("/");
+        if (sws) {
+            s = s.substring(1);
+        }
+        int index = s.lastIndexOf("/");
+        String cacheKey = index == -1 ? "" : s.substring(0, index);
+        if(TAB_CACHE.containsKey(user.getId()) && TAB_CACHE.get(user.getId()).containsKey(cacheKey)) {
+            return new ArrayList<>(TAB_CACHE.get(user.getId()).get(cacheKey));
+        }
+        List<String> list = new ArrayList<>();
+        if (s.contains("/")) {
+            String preTab = s.substring(0, s.lastIndexOf("/") + 1);
+            SchematicNode pa = SchematicNode.getNodeFromPath(user, preTab);
+            if (pa == null) return Collections.emptyList();
+            List<SchematicNode> nodes = SchematicNode.getSchematicNodeInNode(pa);
+            nodes.forEach(node -> list.add((sws ? "/" : "") + node.generateBreadcrumbs(user)));
+        } else {
+            List<SchematicNode> nodes = SchematicNode.getSchematicsAccessibleByUser(user.getId(), 0);
+            nodes.forEach(node -> list.add((sws ? "/" : "") + node.getName() + (node.isDir() ? "/" : "")));
+        }
+        list.remove("//copy");
+        TAB_CACHE.computeIfAbsent(user.getId(), integer -> new HashMap<>()).putIfAbsent(cacheKey, list);
+        return list;
+    }
+
+    private static void rootWarning() {
+        ByteArrayOutputStream stacktraceOutput = new ByteArrayOutputStream();
+        new Throwable().printStackTrace(new PrintStream(stacktraceOutput));
+        SWException.log("PERFORMANCE!!! Getting all/weird subset of schematic nodes with parent NULL", stacktraceOutput.toString());
+    }
+}

src/de/steamwar/sql/SchematicType.java

@@ -0,0 +1,116 @@
+/* 
+    This file is a part of the SteamWar software.
+    
+    Copyright (C) 2020  SteamWar.de-Serverteam
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+package de.steamwar.sql;
+
+import de.steamwar.sql.internal.SqlTypeMapper;
+
+import java.util.*;
+
+public class SchematicType {
+
+	public static final SchematicType Normal = new SchematicType("Normal", "", Type.NORMAL, null, "STONE_BUTTON");
+
+	private static final Map<String, SchematicType> fromDB;
+	private static final List<SchematicType> types;
+
+	static {
+		List<SchematicType> tmpTypes = new LinkedList<>();
+		Map<String, SchematicType> tmpFromDB = new HashMap<>();
+
+		tmpTypes.add(Normal);
+		tmpFromDB.put(Normal.name().toLowerCase(), Normal);
+
+		SQLWrapper.impl.loadSchemTypes(tmpTypes, tmpFromDB);
+
+		fromDB = Collections.unmodifiableMap(tmpFromDB);
+		types = Collections.unmodifiableList(tmpTypes);
+	}
+
+	static {
+		new SqlTypeMapper<>(SchematicType.class, "VARCHAR(16)", (rs, identifier) -> {
+			String t = rs.getString(identifier);
+			return t != null ? fromDB.get(t) : null;
+		}, (st, index, value) -> st.setString(index, value.toDB()));
+	}
+
+	private final String name;
+	private final String kuerzel;
+	private final Type type;
+	private final SchematicType checkType;
+	private final String material;
+
+	SchematicType(String name, String kuerzel, Type type, SchematicType checkType, String material){
+		this.name = name;
+		this.kuerzel = kuerzel;
+		this.type = type;
+		this.checkType = checkType;
+		this.material = material;
+	}
+
+	public boolean isAssignable(){
+		return type == Type.NORMAL || (type == Type.FIGHT_TYPE && checkType != null);
+	}
+
+	public SchematicType checkType(){
+		return checkType;
+	}
+
+	public boolean check(){
+		return type == Type.CHECK_TYPE;
+	}
+
+	public boolean fightType(){
+		return type == Type.FIGHT_TYPE;
+	}
+
+	public boolean writeable(){
+		return type == Type.NORMAL;
+	}
+
+	public String name(){
+		return name;
+	}
+
+	public String getKuerzel() {
+		return kuerzel;
+	}
+
+	public String getMaterial() {
+		return material;
+	}
+
+	public String toDB(){
+		return name.toLowerCase();
+	}
+
+	public static SchematicType fromDB(String input){
+		return fromDB.get(input.toLowerCase());
+	}
+
+	public static List<SchematicType> values(){
+		return types;
+	}
+
+	enum Type{
+		NORMAL,
+		CHECK_TYPE,
+		FIGHT_TYPE
+	}
+}

src/de/steamwar/sql/Season.java

@@ -0,0 +1,54 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2020  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.sql;
+
+import java.util.Calendar;
+
+public class Season {
+    private Season() {}
+
+    public static int getSeason() {
+        Calendar calendar = Calendar.getInstance();
+        int yearIndex = calendar.get(Calendar.MONTH) / 4;
+        return (calendar.get(Calendar.YEAR) * 3 + yearIndex);
+    }
+
+    public static String getSeasonStart() {
+        Calendar calendar = Calendar.getInstance();
+        return calendar.get(Calendar.YEAR) + "-" + (calendar.get(Calendar.MONTH) / 4 * 3 + 1) + "-1";
+    }
+
+    public static String convertSeasonToString(int season){
+        if (season == -1) return "";
+        int yearSeason = season % 3;
+        int year = (season - yearSeason) / 3;
+        return String.format("%d-%d", year, yearSeason);
+    }
+
+    public static int convertSeasonToNumber(String season){
+        if (season.isEmpty()) return -1;
+        String[] split = season.split("-");
+        try {
+            return Integer.parseInt(split[0]) * 3 + Integer.parseInt(split[1]);
+        } catch (NumberFormatException e) {
+            return -1;
+        }
+    }
+}

src/de/steamwar/sql/SteamwarUser.java

@@ -0,0 +1,171 @@
+/*
+ *    This file is a part of the SteamWar software.
+ *
+ *    Copyright (C) 2022  SteamWar.de-Serverteam
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU Affero General Public License as published by
+ *    the Free Software Foundation, either version 3 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *    GNU Affero General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Affero General Public License
+ *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.sql;
+
+import de.steamwar.sql.internal.*;
+import lombok.Getter;
+
+import java.util.*;
+
+public class SteamwarUser {
+
+	static {
+		new SqlTypeMapper<>(UUID.class, "CHAR(36)", (rs, identifier) -> UUID.fromString(rs.getString(identifier)), (st, index, value) -> st.setString(index, value.toString()));
+		new SqlTypeMapper<>(Locale.class, "VARCHAR(32)", (rs, identifier) -> {
+			String l = rs.getString(identifier);
+			return l != null ? Locale.forLanguageTag(l) : null;
+		}, (st, index, value) -> st.setString(index, value.toLanguageTag()));
+		SqlTypeMapper.nameEnumMapper(UserGroup.class);
+		new SqlTypeMapper<>(SteamwarUser.class, null, (rs, identifier) -> { throw new SecurityException("SteamwarUser cannot be used as type (recursive select)"); }, (st, index, value) -> st.setInt(index, value.id));
+	}
+
+	private static final Table<SteamwarUser> table = new Table<>(SteamwarUser.class, "UserData");
+	private static final Statement insert = table.insertFields("UUID", "UserName");
+	private static final SelectStatement<SteamwarUser> byID = table.selectFields("id");
+	private static final SelectStatement<SteamwarUser> byUUID = table.selectFields("UUID");
+	private static final SelectStatement<SteamwarUser> byName = table.selectFields("UserName");
+	private static final SelectStatement<SteamwarUser> byDiscord = table.selectFields("DiscordId");
+	private static final SelectStatement<SteamwarUser> byTeam = table.selectFields("Team");
+	private static final SelectStatement<SteamwarUser> getServerTeam = new SelectStatement<>(table, "SELECT * FROM UserData WHERE UserGroup != 'Member' AND UserGroup != 'YouTuber'");
+	private static final Statement updateName = table.update(Table.PRIMARY, "UserName");
+	private static final Statement updateLocale = table.update(Table.PRIMARY, "Locale", "ManualLocale");
+	private static final Statement updateTeam = table.update(Table.PRIMARY, "Team");
+	private static final Statement updateLeader = table.update(Table.PRIMARY, "Leader");
+	private static final Statement updateDiscord = table.update(Table.PRIMARY, "DiscordId");
+
+	private static final Map<Integer, SteamwarUser> usersById = new HashMap<>();
+	private static final Map<UUID, SteamwarUser> usersByUUID = new HashMap<>();
+	private static final Map<String, SteamwarUser> usersByName = new HashMap<>();
+	private static final Map<Long, SteamwarUser> usersByDiscord = new HashMap<>();
+	public static void clear() {
+		usersById.clear();
+		usersByName.clear();
+		usersByUUID.clear();
+		usersByDiscord.clear();
+	}
+
+	public static void invalidate(int userId) {
+		SteamwarUser user = usersById.remove(userId);
+		if (user == null)
+			return;
+		usersByName.remove(user.getUserName());
+		usersByUUID.remove(user.getUUID());
+	}
+
+	@Getter
+	@Field(keys = {Table.PRIMARY}, autoincrement = true)
+	private final int id;
+	@Field(keys = {"uuid"})
+	private final UUID uuid;
+	@Getter
+	@Field
+	private String userName;
+	@Getter
+	@Field(def = "'Member'")
+	private final UserGroup userGroup;
+	@Getter
+	@Field(def = "0")
+	private int team;
+	@Field(def = "0")
+	private boolean leader;
+	@Field(nullable = true)
+	private Locale locale;
+	@Field(def = "0")
+	private boolean manualLocale;
+	@Field(keys = {"discordId"}, nullable = true)
+	private Long discordId;
+
+	public SteamwarUser(int id, UUID uuid, String userName, UserGroup userGroup, int team, boolean leader, Locale locale, boolean manualLocale, Long discordId) {
+		this.id = id;
+		this.uuid = uuid;
+		this.userName = userName;
+		this.userGroup = userGroup;
+		this.team = team;
+		this.leader = leader;
+		this.locale = locale;
+		this.manualLocale = manualLocale;
+		this.discordId = discordId != null && discordId != 0 ? discordId : null;
+
+		usersById.put(id, this);
+		usersByName.put(userName.toLowerCase(), this);
+		usersByUUID.put(uuid, this);
+		if (this.discordId != null) {
+			usersByDiscord.put(discordId, this);
+		}
+	}
+
+	public UUID getUUID() {
+		return uuid;
+	}
+
+	public Locale getLocale() {
+		if(locale != null)
+			return locale;
+		return Locale.getDefault();
+	}
+
+	public void setLocale(Locale locale, boolean manualLocale) {
+		if (locale == null || (this.manualLocale && !manualLocale))
+			return;
+
+		this.locale = locale;
+		this.manualLocale = manualLocale;
+		updateLocale.update(locale.toLanguageTag(), manualLocale, id);
+	}
+
+	public static SteamwarUser get(String userName){
+		SteamwarUser user = usersByName.get(userName.toLowerCase());
+		if(user != null)
+			return user;
+		return byName.select(userName);
+	}
+
+	public static SteamwarUser get(UUID uuid){
+		SteamwarUser user = usersByUUID.get(uuid);
+		if(user != null)
+			return user;
+		return byUUID.select(uuid);
+	}
+
+	public static SteamwarUser get(int id) {
+		SteamwarUser user = usersById.get(id);
+		if(user != null)
+			return user;
+		return byID.select(id);
+	}
+
+	public static SteamwarUser get(Long discordId) {
+		if(usersByDiscord.containsKey(discordId))
+			return usersByDiscord.get(discordId);
+		return byDiscord.select(discordId);
+	}
+
+	public static void createOrUpdateUsername(UUID uuid, String userName) {
+		insert.update(uuid, userName);
+	}
+
+	public static List<SteamwarUser> getServerTeam() {
+		return getServerTeam.listSelect();
+	}
+
+	public static List<SteamwarUser> getTeam(int teamId) {
+		return byTeam.listSelect(teamId);
+	}
+}

src/de/steamwar/sql/Team.java

@@ -0,0 +1,61 @@
+/* 
+    This file is a part of the SteamWar software.
+    
+    Copyright (C) 2020  SteamWar.de-Serverteam
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+package de.steamwar.sql;
+
+import de.steamwar.sql.internal.Field;
+import de.steamwar.sql.internal.SelectStatement;
+import de.steamwar.sql.internal.Table;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+@AllArgsConstructor
+public class Team {
+
+    private static final Table<Team> table = new Table<>(Team.class);
+    private static final SelectStatement<Team> select = table.select(Table.PRIMARY);
+
+    @Field(keys = {Table.PRIMARY})
+    @Getter
+    private final int teamId;
+    @Field
+    @Getter
+    private final String teamKuerzel;
+    @Field
+    @Getter
+    private final String teamName;
+    @Field(def = "'8'")
+    @Getter
+    private final String teamColor;
+
+    private static final Team pub = new Team(0, "PUB", "Öffentlich", "8");
+
+    public static Team get(int id) {
+        if(id == 0)
+            return pub;
+        return select.select(id);
+    }
+
+    public List<Integer> getMembers(){
+        return SteamwarUser.getTeam(teamId).stream().map(SteamwarUser::getId).collect(Collectors.toList());
+    }
+}

src/de/steamwar/sql/TeamTeilnahme.java

@@ -0,0 +1,54 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2020  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.sql;
+
+import de.steamwar.sql.internal.Field;
+import de.steamwar.sql.internal.SelectStatement;
+import de.steamwar.sql.internal.Table;
+import lombok.AllArgsConstructor;
+
+import java.util.Set;
+import java.util.stream.Collectors;
+
+@AllArgsConstructor
+public class TeamTeilnahme {
+
+    private static final Table<TeamTeilnahme> table = new Table<>(TeamTeilnahme.class);
+    private static final SelectStatement<TeamTeilnahme> select = table.select(Table.PRIMARY);
+    private static final SelectStatement<TeamTeilnahme> selectTeams = table.selectFields("EventID");
+    private static final SelectStatement<TeamTeilnahme> selectEvents = table.selectFields("TeamID");
+
+    @Field(keys = {Table.PRIMARY})
+    private final int teamId;
+    @Field(keys = {Table.PRIMARY})
+    private final int eventId;
+
+    public static boolean nimmtTeil(int teamID, int eventID){
+        return select.select(teamID, eventID) != null;
+    }
+
+    public static Set<Team> getTeams(int eventID){
+        return selectTeams.listSelect(eventID).stream().map(tt -> Team.get(tt.teamId)).collect(Collectors.toSet()); // suboptimal performance (O(n) database queries)
+    }
+
+    public static Set<Event> getEvents(int teamID){
+        return selectEvents.listSelect(teamID).stream().map(tt -> Event.get(tt.eventId)).collect(Collectors.toSet()); // suboptimal performance (O(n) database queries)
+    }
+}

src/de/steamwar/sql/UserConfig.java

@@ -0,0 +1,73 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2020  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.sql;
+
+import de.steamwar.sql.internal.Field;
+import de.steamwar.sql.internal.SelectStatement;
+import de.steamwar.sql.internal.Statement;
+import de.steamwar.sql.internal.Table;
+import lombok.AllArgsConstructor;
+
+import java.util.UUID;
+
+@AllArgsConstructor
+public class UserConfig {
+
+    private static final Table<UserConfig> table = new Table<>(UserConfig.class);
+    private static final SelectStatement<UserConfig> select = table.select(Table.PRIMARY);
+    private static final Statement insert = table.insertAll();
+    private static final Statement delete = table.delete(Table.PRIMARY);
+
+    @Field(keys = {Table.PRIMARY})
+    private final int user;
+    @Field(keys = {Table.PRIMARY})
+    private final String config;
+    @Field
+    private final String value;
+
+    public static String getConfig(UUID player, String config) {
+        return getConfig(SteamwarUser.get(player).getId(), config);
+    }
+
+    public static String getConfig(int player, String config) {
+        UserConfig value = select.select(player, config);
+        return value != null ? value.value : null;
+    }
+
+    public static void updatePlayerConfig(UUID uuid, String config, String value) {
+        updatePlayerConfig(SteamwarUser.get(uuid).getId(), config, value);
+    }
+
+    public static void updatePlayerConfig(int id, String config, String value) {
+        if (value == null) {
+            removePlayerConfig(id, config);
+            return;
+        }
+        insert.update(id, config, value);
+    }
+
+    public static void removePlayerConfig(UUID uuid, String config) {
+        removePlayerConfig(SteamwarUser.get(uuid).getId(), config);
+    }
+
+    public static void removePlayerConfig(int id, String config) {
+        delete.update(id, config);
+    }
+}

src/de/steamwar/sql/UserGroup.java

@@ -0,0 +1,45 @@
+/* 
+    This file is a part of the SteamWar software.
+    
+    Copyright (C) 2020  SteamWar.de-Serverteam
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+package de.steamwar.sql;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@AllArgsConstructor
+public enum UserGroup {
+	Admin("§4", "§e", true, true, true),
+	Developer("§3", "§f", true, true, true),
+	Moderator("§c", "§f", true, true, true),
+	Supporter("§9", "§f", false, true, true),
+	Builder("§2", "§f", false, true, false),
+	YouTuber("§5", "§f", false, false, false),
+	Member("§7", "§7", false, false, false);
+
+	@Getter
+	private final String colorCode;
+	@Getter
+	private final String chatColorCode;
+	@Getter
+	private final boolean adminGroup;
+	@Getter
+	private final boolean teamGroup;
+	@Getter
+	private final boolean checkSchematics;
+}

src/de/steamwar/sql/internal/Field.java

@@ -0,0 +1,34 @@
+/*
+ *    This file is a part of the SteamWar software.
+ *
+ *    Copyright (C) 2022  SteamWar.de-Serverteam
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU Affero General Public License as published by
+ *    the Free Software Foundation, either version 3 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *    GNU Affero General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Affero General Public License
+ *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.sql.internal;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Target(ElementType.FIELD)
+@Retention(RetentionPolicy.RUNTIME)
+public @interface Field {
+    String[] keys() default {};
+    String def() default "";
+    boolean nullable() default false;
+    boolean autoincrement() default false;
+}

src/de/steamwar/sql/internal/SQLConfig.java

@@ -0,0 +1,34 @@
+/*
+ *    This file is a part of the SteamWar software.
+ *
+ *    Copyright (C) 2022  SteamWar.de-Serverteam
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU Affero General Public License as published by
+ *    the Free Software Foundation, either version 3 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *    GNU Affero General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Affero General Public License
+ *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.sql.internal;
+
+import de.steamwar.ImplementationProvider;
+
+import java.util.logging.Logger;
+
+public interface SQLConfig {
+    SQLConfig impl = ImplementationProvider.getImpl("de.steamwar.sql.SQLConfigImpl");
+
+    Logger getLogger();
+
+    int maxConnections();
+
+
+}

src/de/steamwar/sql/internal/SelectStatement.java

@@ -0,0 +1,72 @@
+/*
+ *    This file is a part of the SteamWar software.
+ *
+ *    Copyright (C) 2022  SteamWar.de-Serverteam
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU Affero General Public License as published by
+ *    the Free Software Foundation, either version 3 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *    GNU Affero General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Affero General Public License
+ *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.sql.internal;
+
+import java.lang.reflect.InvocationTargetException;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.stream.Collectors;
+
+public class SelectStatement<T> extends Statement {
+    private final Table<T> table;
+
+    SelectStatement(Table<T> table, String... kfields) {
+        this(table, "SELECT " + Arrays.stream(table.fields).map(f -> f.identifier).collect(Collectors.joining(", ")) + " FROM " + table.name + " WHERE " + Arrays.stream(kfields).map(f -> f + " = ?").collect(Collectors.joining(" AND ")));
+    }
+
+    public SelectStatement(Table<T> table, String sql) {
+        super(sql);
+        this.table = table;
+    }
+
+    public T select(Object... values) {
+        return select(rs -> {
+            if (rs.next())
+                return read(rs);
+            return null;
+        }, values);
+    }
+
+    public List<T> listSelect(Object... values) {
+        return select(rs -> {
+            List<T> result = new ArrayList<>();
+            while (rs.next())
+                result.add(read(rs));
+
+            return result;
+        }, values);
+    }
+
+    private T read(ResultSet rs) throws SQLException {
+        Object[] params = new Object[table.fields.length];
+        for(int i = 0; i < params.length; i++) {
+            params[i] = table.fields[i].read(rs);
+        }
+
+        try {
+            return table.constructor.newInstance(params);
+        } catch (InstantiationException | IllegalAccessException | InvocationTargetException e) {
+            throw new SecurityException(e);
+        }
+    }
+}

src/de/steamwar/sql/internal/SqlTypeMapper.java

@@ -0,0 +1,110 @@
+/*
+ *    This file is a part of the SteamWar software.
+ *
+ *    Copyright (C) 2022  SteamWar.de-Serverteam
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU Affero General Public License as published by
+ *    the Free Software Foundation, either version 3 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *    GNU Affero General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Affero General Public License
+ *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.sql.internal;
+
+import java.io.InputStream;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Timestamp;
+import java.util.Arrays;
+import java.util.IdentityHashMap;
+import java.util.Map;
+
+public final class SqlTypeMapper<T> {
+    private static final Map<Class<?>, SqlTypeMapper<?>> mappers = new IdentityHashMap<>();
+
+    public static <T> SqlTypeMapper<T> getMapper(Class<?> clazz) {
+        return (SqlTypeMapper<T>) mappers.get(clazz);
+    }
+
+    public static <T extends Enum<T>> void ordinalEnumMapper(Class<T> type) {
+        T[] enumConstants = type.getEnumConstants();
+        new SqlTypeMapper<>(
+                type,
+                "INTEGER(" + (int)Math.ceil(enumConstants.length/256.0) + ")",
+                (rs, identifier) -> enumConstants[rs.getInt(identifier)],
+                (st, index, value) -> st.setInt(index, value.ordinal())
+        );
+    }
+
+    public static <T extends Enum<T>> void nameEnumMapper(Class<T> type) {
+        new SqlTypeMapper<>(
+                type,
+                "VARCHAR(" + Arrays.stream(type.getEnumConstants()).map(e -> e.name().length()).max(Integer::compareTo).orElse(0) + ")",
+                (rs, identifier) -> Enum.valueOf(type, rs.getString(identifier)),
+                (st, index, value) -> st.setString(index, value.name())
+        );
+    }
+
+    static {
+        primitiveMapper(boolean.class, Boolean.class, "BOOLEAN", ResultSet::getBoolean, PreparedStatement::setBoolean);
+        primitiveMapper(byte.class, Byte.class, "INTEGER(1)", ResultSet::getByte, PreparedStatement::setByte);
+        primitiveMapper(short.class, Short.class, "INTEGER(2)", ResultSet::getShort, PreparedStatement::setShort);
+        primitiveMapper(int.class, Integer.class, "INTEGER", ResultSet::getInt, PreparedStatement::setInt);
+        primitiveMapper(long.class, Long.class, "INTEGER(8)", ResultSet::getLong, PreparedStatement::setLong);
+        primitiveMapper(float.class, Float.class, "REAL", ResultSet::getFloat, PreparedStatement::setFloat);
+        primitiveMapper(double.class, Double.class, "REAL", ResultSet::getDouble, PreparedStatement::setDouble);
+        new SqlTypeMapper<>(String.class, "TEXT", ResultSet::getString, PreparedStatement::setString);
+        new SqlTypeMapper<>(Timestamp.class, "TIMESTAMP", ResultSet::getTimestamp, PreparedStatement::setTimestamp);
+        new SqlTypeMapper<>(InputStream.class, "BLOB", ResultSet::getBinaryStream, PreparedStatement::setBinaryStream);
+    }
+
+    private static <T> void primitiveMapper(Class<T> primitive, Class<T> wrapped, String sqlType, SQLReader<T> reader, SQLWriter<T> writer) {
+        new SqlTypeMapper<>(primitive, sqlType, reader, writer);
+        new SqlTypeMapper<>(wrapped, sqlType, (rs, identifier) -> {
+            T value = reader.read(rs, identifier);
+            return rs.wasNull() ? null : value;
+        }, writer);
+    }
+
+    private final String sqlType;
+    private final SQLReader<T> reader;
+    private final SQLWriter<T> writer;
+
+    public SqlTypeMapper(Class<T> clazz, String sqlType, SQLReader<T> reader, SQLWriter<T> writer) {
+        this.sqlType = sqlType;
+        this.reader = reader;
+        this.writer = writer;
+        mappers.put(clazz, this);
+    }
+
+    public T read(ResultSet rs, String identifier) throws SQLException {
+        return reader.read(rs, identifier);
+    }
+
+    public void write(PreparedStatement st, int index, Object value) throws SQLException {
+        writer.write(st, index, (T) value);
+    }
+
+    public String sqlType() {
+        return sqlType;
+    }
+
+    @FunctionalInterface
+    public interface SQLReader<T> {
+        T read(ResultSet rs, String identifier) throws SQLException;
+    }
+
+    @FunctionalInterface
+    public interface SQLWriter<T> {
+        void write(PreparedStatement st, int index, T value) throws SQLException;
+    }
+}

src/de/steamwar/sql/internal/Statement.java

@@ -0,0 +1,287 @@
+/*
+ *    This file is a part of the SteamWar software.
+ *
+ *    Copyright (C) 2022  SteamWar.de-Serverteam
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU Affero General Public License as published by
+ *    the Free Software Foundation, either version 3 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *    GNU Affero General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Affero General Public License
+ *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.sql.internal;
+
+import java.io.File;
+import java.io.FileReader;
+import java.io.IOException;
+import java.sql.*;
+import java.util.*;
+import java.util.function.Consumer;
+import java.util.function.Supplier;
+import java.util.function.UnaryOperator;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+public class Statement implements AutoCloseable {
+
+    private static final Logger logger = SQLConfig.impl.getLogger();
+
+    private static final List<Statement> statements = new ArrayList<>();
+    private static final Deque<Connection> connections = new ArrayDeque<>();
+    private static final int MAX_CONNECTIONS;
+    private static final Supplier<Connection> conProvider;
+    static final Consumer<Table<?>> schemaCreator;
+    static final String ON_DUPLICATE_KEY;
+    static final UnaryOperator<String> upsertWrapper;
+
+    private static final boolean MYSQL_MODE;
+    private static final boolean PRODUCTION_DATABASE;
+
+    static {
+        File file = new File(System.getProperty("user.home"), "mysql.properties");
+        MYSQL_MODE = file.exists();
+
+        if(MYSQL_MODE) {
+            Properties properties = new Properties();
+            try {
+                properties.load(new FileReader(file));
+            } catch (IOException e) {
+                throw new SecurityException("Could not load SQL connection", e);
+            }
+
+            String url = "jdbc:mysql://" + properties.getProperty("host") + ":" + properties.getProperty("port") + "/" + properties.getProperty("database") + "?useServerPrepStmts=true";
+            String user = properties.getProperty("user");
+            String password = properties.getProperty("password");
+
+            PRODUCTION_DATABASE = "core".equals(properties.getProperty("database"));
+            MAX_CONNECTIONS = SQLConfig.impl.maxConnections();
+            conProvider = () -> {
+                try {
+                    return DriverManager.getConnection(url, user, password);
+                } catch (SQLException e) {
+                    throw new SecurityException("Could not create MySQL connection", e);
+                }
+            };
+            schemaCreator = table -> {};
+            ON_DUPLICATE_KEY = " ON DUPLICATE KEY UPDATE ";
+            upsertWrapper = f -> f + " = VALUES(" + f + ")";
+        } else {
+            Connection connection;
+
+            try {
+                Class.forName("org.sqlite.JDBC");
+                connection = DriverManager.getConnection("jdbc:sqlite:" + System.getProperty("user.home") + "/standalone.db");
+            } catch (SQLException | ClassNotFoundException e) {
+                throw new SecurityException("Could not create sqlite connection", e);
+            }
+
+            PRODUCTION_DATABASE = false;
+            MAX_CONNECTIONS = 1;
+            conProvider = () -> connection;
+            schemaCreator = Table::ensureExistanceInSqlite;
+            ON_DUPLICATE_KEY = " ON CONFLICT DO UPDATE SET ";
+            upsertWrapper = f -> f + " = " + f;
+        }
+    }
+
+    private static int connectionBudget = MAX_CONNECTIONS;
+
+    public static void closeAll() {
+        synchronized (connections) {
+            while(connectionBudget < MAX_CONNECTIONS) {
+                if(connections.isEmpty())
+                    waitOnConnections();
+                else
+                    closeConnection(aquireConnection());
+            }
+        }
+    }
+
+    public static boolean mysqlMode() {
+        return MYSQL_MODE;
+    }
+
+    public static boolean productionDatabase() {
+        return PRODUCTION_DATABASE;
+    }
+
+    private final boolean returnGeneratedKeys;
+    private final String sql;
+    private final Map<Connection, PreparedStatement> cachedStatements = new HashMap<>();
+
+    public Statement(String sql) {
+        this(sql, false);
+    }
+
+    public Statement(String sql, boolean returnGeneratedKeys) {
+        this.sql = sql;
+        this.returnGeneratedKeys = returnGeneratedKeys;
+        synchronized (statements) {
+            statements.add(this);
+        }
+    }
+
+    public <T> T select(ResultSetUser<T> user, Object... objects) {
+        return withConnection(st -> {
+            ResultSet rs = st.executeQuery();
+            T result = user.use(rs);
+            rs.close();
+            return result;
+        }, objects);
+    }
+
+    public void update(Object... objects) {
+        withConnection(PreparedStatement::executeUpdate, objects);
+    }
+
+    public int insertGetKey(Object... objects) {
+        return withConnection(st -> {
+            st.executeUpdate();
+            ResultSet rs = st.getGeneratedKeys();
+            rs.next();
+            return rs.getInt(1);
+        }, objects);
+    }
+
+    public String getSql() {
+        return sql;
+    }
+
+    private <T> T withConnection(SQLRunnable<T> runnable, Object... objects) {
+        Connection connection = aquireConnection();
+
+        try {
+            try {
+                return tryWithConnection(connection, runnable, objects);
+            } finally {
+                if(connectionInvalid(connection)) {
+                    closeConnection(connection);
+                } else {
+                    synchronized (connections) {
+                        connections.push(connection);
+                        connections.notify();
+                    }
+                }
+            }
+        } catch (SQLException e) {
+            if(connectionInvalid(connection)) {
+                return withConnection(runnable, objects);
+            } else {
+                throw new SecurityException("Failing sql statement", e);
+            }
+        }
+    }
+
+    private boolean connectionInvalid(Connection connection) {
+        try {
+            return connection.isClosed();
+        } catch (SQLException e) {
+            logger.log(Level.INFO, "Could not check SQL connection status", e); // No database logging possible at this state
+            return true;
+        }
+    }
+
+    private <T> T tryWithConnection(Connection connection, SQLRunnable<T> runnable, Object... objects) throws SQLException {
+        PreparedStatement st = cachedStatements.get(connection);
+        if(st == null) {
+            if(returnGeneratedKeys)
+                st = connection.prepareStatement(sql, java.sql.Statement.RETURN_GENERATED_KEYS);
+            else
+                st = connection.prepareStatement(sql);
+            cachedStatements.put(connection, st);
+        }
+
+        for (int i = 0; i < objects.length; i++) {
+            Object o = objects[i];
+            if(o != null)
+                SqlTypeMapper.getMapper(o.getClass()).write(st, i+1, o);
+            else
+                st.setNull(i+1, Types.NULL);
+        }
+
+        return runnable.run(st);
+    }
+
+    @Override
+    public void close() {
+        cachedStatements.values().forEach(st -> closeStatement(st, false));
+        cachedStatements.clear();
+        synchronized (statements) {
+            statements.remove(this);
+        }
+    }
+
+    private void close(Connection connection) {
+        PreparedStatement st = cachedStatements.remove(connection);
+        if(st != null)
+            closeStatement(st, true);
+    }
+
+    private static Connection aquireConnection() {
+        synchronized (connections) {
+            if(connections.isEmpty() && connectionBudget == 0)
+                waitOnConnections();
+
+            if(!connections.isEmpty()) {
+                return connections.pop();
+            } else {
+                Connection connection = conProvider.get();
+                connectionBudget--;
+                return connection;
+            }
+        }
+    }
+
+    private static void closeConnection(Connection connection) {
+        synchronized (statements) {
+            for (Statement statement : statements) {
+                statement.close(connection);
+            }
+        }
+        try {
+            connection.close();
+        } catch (SQLException e) {
+            logger.log(Level.INFO, "Could not close connection", e);
+        }
+
+        synchronized (connections) {
+            connectionBudget++;
+            connections.notify();
+        }
+    }
+
+    private static void waitOnConnections() {
+        synchronized (connections) {
+            try {
+                connections.wait();
+            } catch (InterruptedException e) {
+                Thread.currentThread().interrupt();
+            }
+        }
+    }
+
+    private static void closeStatement(PreparedStatement st, boolean silent) {
+        try {
+            st.close();
+        } catch (SQLException e) {
+            if(!silent)
+                logger.log(Level.INFO, "Could not close statement", e);
+        }
+    }
+
+    public interface ResultSetUser<T> {
+        T use(ResultSet rs) throws SQLException;
+    }
+
+    private interface SQLRunnable<T> {
+        T run(PreparedStatement st) throws SQLException;
+    }
+}

src/de/steamwar/sql/internal/Table.java

@@ -0,0 +1,137 @@
+/*
+ *    This file is a part of the SteamWar software.
+ *
+ *    Copyright (C) 2022  SteamWar.de-Serverteam
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU Affero General Public License as published by
+ *    the Free Software Foundation, either version 3 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *    GNU Affero General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Affero General Public License
+ *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.sql.internal;
+
+import java.lang.reflect.Constructor;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.*;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+
+public class Table<T> {
+    public static final String PRIMARY = "primary";
+
+    final String name;
+    final TableField<?>[] fields;
+    private final Map<String, TableField<?>> fieldsByIdentifier = new HashMap<>();
+    final Constructor<T> constructor;
+
+    private final Map<String, Table.TableField<?>[]> keys;
+
+
+    public Table(Class<T> clazz) {
+        this(clazz, clazz.getSimpleName());
+    }
+
+    public Table(Class<T> clazz, String name) {
+        this.name = name;
+        this.fields = Arrays.stream(clazz.getDeclaredFields()).filter(field -> field.isAnnotationPresent(Field.class)).map(TableField::new).toArray(TableField[]::new);
+        try {
+            this.constructor = clazz.getDeclaredConstructor(Arrays.stream(clazz.getDeclaredFields()).filter(field -> field.isAnnotationPresent(Field.class)).map(java.lang.reflect.Field::getType).toArray(Class[]::new));
+        } catch (NoSuchMethodException e) {
+            throw new SecurityException(e);
+        }
+
+        keys = Arrays.stream(fields).flatMap(field -> Arrays.stream(field.field.keys())).distinct().collect(Collectors.toMap(Function.identity(), key -> Arrays.stream(fields).filter(field -> Arrays.asList(field.field.keys()).contains(key)).toArray(TableField[]::new)));
+
+        for (TableField<?> field : fields) {
+            fieldsByIdentifier.put(field.identifier.toLowerCase(), field);
+        }
+
+        Statement.schemaCreator.accept(this);
+    }
+
+    public SelectStatement<T> select(String name) {
+        return selectFields(keyFields(name));
+    }
+    public SelectStatement<T> selectFields(String... kfields) {
+        return new SelectStatement<>(this, kfields);
+    }
+
+    public Statement update(String name, String... fields) {
+        return updateFields(fields, keyFields(name));
+    }
+
+    public Statement updateField(String field, String... kfields) {
+        return updateFields(new String[]{field}, kfields);
+    }
+
+    public Statement updateFields(String[] fields, String... kfields) {
+        return new Statement("UPDATE " + name + " SET " + Arrays.stream(fields).map(f -> f + " = ?").collect(Collectors.joining(", ")) + " WHERE " + Arrays.stream(kfields).map(f -> f + " = ?").collect(Collectors.joining(" AND ")));
+    }
+
+    public Statement insert(String name) {
+        return insertFields(keyFields(name));
+    }
+
+    public Statement insertAll() {
+        return insertFields(false, Arrays.stream(fields).map(f -> f.identifier).toArray(String[]::new));
+    }
+
+    public Statement insertFields(String... fields) {
+        return insertFields(false, fields);
+    }
+
+    public Statement insertFields(boolean returnGeneratedKeys, String... fields) {
+        List<String> nonKeyFields = Arrays.stream(fields).filter(f -> fieldsByIdentifier.get(f.toLowerCase()).field.keys().length == 0).collect(Collectors.toList());
+        return new Statement("INSERT INTO " + name + " (" + String.join(", ", fields) + ") VALUES (" + Arrays.stream(fields).map(f -> "?").collect(Collectors.joining(", ")) + ")" + (nonKeyFields.isEmpty() ? "" : Statement.ON_DUPLICATE_KEY + nonKeyFields.stream().map(Statement.upsertWrapper).collect(Collectors.joining(", "))), returnGeneratedKeys);
+    }
+
+    public Statement delete(String name) {
+        return deleteFields(keyFields(name));
+    }
+
+    public Statement deleteFields(String... kfields) {
+        return new Statement("DELETE FROM " + name + " WHERE " + Arrays.stream(kfields).map(f -> f + " = ?").collect(Collectors.joining(" AND ")));
+    }
+
+    void ensureExistanceInSqlite() {
+        try (Statement statement = new Statement(
+                "CREATE TABLE IF NOT EXISTS " + name + "(" +
+                        Arrays.stream(fields).map(field -> field.identifier + " " + field.mapper.sqlType() + (field.field.nullable() ? " DEFAULT NULL" : " NOT NULL") + (field.field.nullable() || field.field.def().equals("") ? "" : " DEFAULT " + field.field.def())).collect(Collectors.joining(", ")) +
+                        keys.entrySet().stream().map(key -> (key.getKey().equals(PRIMARY) ? ", PRIMARY KEY(" : ", UNIQUE (") + Arrays.stream(key.getValue()).map(field -> field.identifier).collect(Collectors.joining(", ")) + ")").collect(Collectors.joining(" ")) +
+                ")")) {
+            statement.update();
+        }
+    }
+
+    private String[] keyFields(String name) {
+        return Arrays.stream(keys.get(name)).map(f -> f.identifier).toArray(String[]::new);
+    }
+
+    static class TableField<T> {
+
+        final String identifier;
+
+        final SqlTypeMapper<T> mapper;
+        private final Field field;
+
+        private TableField(java.lang.reflect.Field field) {
+            this.identifier = field.getName();
+            this.mapper = SqlTypeMapper.getMapper(field.getType());
+            this.field = field.getAnnotation(Field.class);
+        }
+
+        T read(ResultSet rs) throws SQLException {
+            return mapper.read(rs, identifier);
+        }
+    }
+}