Port snapshot commands, update some time stuff to new time

worldedit-core/src/main/java/com/sk89q/worldedit/LocalSession.java

@@ -52,6 +52,7 @@ import com.sk89q.worldedit.world.item.ItemTypes;
 import com.sk89q.worldedit.world.snapshot.Snapshot;
 
 import javax.annotation.Nullable;
+import java.time.ZoneId;
 import java.util.Calendar;
 import java.util.HashMap;
 import java.util.LinkedList;
@@ -91,7 +92,7 @@ public class LocalSession {
     private transient int cuiVersion = -1;
     private transient boolean fastMode = false;
     private transient Mask mask;
-    private transient TimeZone timezone = TimeZone.getDefault();
+    private transient ZoneId timezone = ZoneId.systemDefault();
     private transient BlockVector3 cuiTemporaryBlock;
     private transient EditSession.ReorderMode reorderMode = EditSession.ReorderMode.MULTI_STAGE;
 
@@ -169,7 +170,7 @@ public class LocalSession {
      *
      * @return the timezone
      */
-    public TimeZone getTimeZone() {
+    public ZoneId getTimeZone() {
         return timezone;
     }
 
@@ -178,7 +179,7 @@ public class LocalSession {
      *
      * @param timezone the user's timezone
      */
-    public void setTimezone(TimeZone timezone) {
+    public void setTimezone(ZoneId timezone) {
         checkNotNull(timezone);
         this.timezone = timezone;
     }
@@ -849,9 +850,10 @@ public class LocalSession {
     public Calendar detectDate(String input) {
         checkNotNull(input);
 
-        Time.setTimeZone(getTimeZone());
+        TimeZone tz = TimeZone.getTimeZone(getTimeZone());
+        Time.setTimeZone(tz);
         Options opt = new com.sk89q.jchronic.Options();
-        opt.setNow(Calendar.getInstance(getTimeZone()));
+        opt.setNow(Calendar.getInstance(tz));
         Span date = Chronic.parse(input, opt);
         if (date == null) {
             return null;

worldedit-core/src/main/java/com/sk89q/worldedit/command/SnapshotCommands.java

@@ -21,31 +21,33 @@
 
 package com.sk89q.worldedit.command;
 
-import com.sk89q.minecraft.util.commands.Command;
-import com.sk89q.minecraft.util.commands.CommandContext;
-import com.sk89q.minecraft.util.commands.CommandPermissions;
 import com.sk89q.worldedit.LocalConfiguration;
 import com.sk89q.worldedit.LocalSession;
 import com.sk89q.worldedit.WorldEdit;
 import com.sk89q.worldedit.WorldEditException;
+import com.sk89q.worldedit.command.util.CommandPermissions;
+import com.sk89q.worldedit.command.util.CommandPermissionsConditionGenerator;
 import com.sk89q.worldedit.entity.Player;
 import com.sk89q.worldedit.world.snapshot.InvalidSnapshotException;
 import com.sk89q.worldedit.world.snapshot.Snapshot;
 import com.sk89q.worldedit.world.storage.MissingWorldException;
+import org.enginehub.piston.annotation.Command;
+import org.enginehub.piston.annotation.CommandContainer;
+import org.enginehub.piston.annotation.param.Arg;
 
 import java.io.File;
 import java.io.IOException;
-import java.text.DateFormat;
+import java.time.ZonedDateTime;
-import java.text.SimpleDateFormat;
+import java.time.format.DateTimeFormatter;
-import java.util.Calendar;
 import java.util.List;
 
 /**
  * Snapshot commands.
  */
+@CommandContainer(superTypes = CommandPermissionsConditionGenerator.Registration.class)
 public class SnapshotCommands {
 
-    private static final DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss z");
+    private static final DateTimeFormatter dateFormat = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss z");
 
     private final WorldEdit we;
 
@@ -54,14 +56,13 @@ public class SnapshotCommands {
     }
 
     @Command(
-            aliases = { "list" },
+        name = "list",
-            usage = "[num]",
+        desc = "List snapshots"
-            desc = "List snapshots",
-            min = 0,
-            max = 1
     )
     @CommandPermissions("worldedit.snapshots.list")
-    public void list(Player player, CommandContext args) throws WorldEditException {
+    public void list(Player player,
+                     @Arg(desc = "# of snapshots to list", def = "5")
+                         int num) throws WorldEditException {
 
         LocalConfiguration config = we.getConfiguration();
 
@@ -75,7 +76,7 @@ public class SnapshotCommands {
 
             if (!snapshots.isEmpty()) {
 
-                int num = args.argsLength() > 0 ? Math.min(40, Math.max(5, args.getInteger(0))) : 5;
+                num = Math.min(40, Math.max(5, num));
 
                 player.print("Snapshots for world: '" + player.getWorld().getName() + "'");
                 for (byte i = 0; i < Math.min(num, snapshots.size()); i++) {
@@ -104,14 +105,13 @@ public class SnapshotCommands {
     }
 
     @Command(
-            aliases = { "use" },
+        name = "use",
-            usage = "<snapshot>",
+        desc = "Choose a snapshot to use"
-            desc = "Choose a snapshot to use",
-            min = 1,
-            max = 1
     )
     @CommandPermissions("worldedit.snapshots.restore")
-    public void use(Player player, LocalSession session, CommandContext args) throws WorldEditException {
+    public void use(Player player, LocalSession session,
+                    @Arg(desc = "Snapeshot to use")
+                        String name) throws WorldEditException {
 
         LocalConfiguration config = we.getConfiguration();
 
@@ -120,8 +120,6 @@ public class SnapshotCommands {
             return;
         }
 
-        String name = args.getString(0);
-
         // Want the latest snapshot?
         if (name.equalsIgnoreCase("latest")) {
             try {
@@ -147,14 +145,13 @@ public class SnapshotCommands {
     }
 
     @Command(
-            aliases = { "sel" },
+        name = "sel",
-            usage = "<index>",
+        desc = "Choose the snapshot based on the list id"
-            desc = "Choose the snapshot based on the list id",
-            min = 1,
-            max = 1
     )
     @CommandPermissions("worldedit.snapshots.restore")
-    public void sel(Player player, LocalSession session, CommandContext args) throws WorldEditException {
+    public void sel(Player player, LocalSession session,
+                    @Arg(desc = "The list ID to select")
+                        int index) throws WorldEditException {
         LocalConfiguration config = we.getConfiguration();
 
         if (config.snapshotRepo == null) {
@@ -162,14 +159,6 @@ public class SnapshotCommands {
             return;
         }
 
-        int index = -1;
-        try {
-            index = Integer.parseInt(args.getString(0));
-        } catch (NumberFormatException e) {
-            player.printError("Invalid index, " + args.getString(0) + " is not a valid integer.");
-            return;
-        }
-
         if (index < 1) {
             player.printError("Invalid index, must be equal or higher then 1.");
             return;
@@ -194,14 +183,13 @@ public class SnapshotCommands {
     }
 
     @Command(
-            aliases = { "before" },
+        name = "before",
-            usage = "<date>",
+        desc = "Choose the nearest snapshot before a date"
-            desc = "Choose the nearest snapshot before a date",
-            min = 1,
-            max = -1
     )
     @CommandPermissions("worldedit.snapshots.restore")
-    public void before(Player player, LocalSession session, CommandContext args) throws WorldEditException {
+    public void before(Player player, LocalSession session,
+                       @Arg(desc = "The soonest date that may be used")
+                           ZonedDateTime date) throws WorldEditException {
 
         LocalConfiguration config = we.getConfiguration();
 
@@ -210,18 +198,12 @@ public class SnapshotCommands {
             return;
         }
 
-        Calendar date = session.detectDate(args.getJoinedStrings(0));
-
-        if (date == null) {
-            player.printError("Could not detect the date inputted.");
-        } else {
         try {
             Snapshot snapshot = config.snapshotRepo.getSnapshotBefore(date, player.getWorld().getName());
 
             if (snapshot == null) {
-                    dateFormat.setTimeZone(session.getTimeZone());
                 player.printError("Couldn't find a snapshot before "
-                            + dateFormat.format(date.getTime()) + ".");
+                    + dateFormat.withZone(session.getTimeZone()).format(date) + ".");
             } else {
                 session.setSnapshot(snapshot);
                 player.print("Snapshot set to: " + snapshot.getName());
@@ -230,17 +212,15 @@ public class SnapshotCommands {
             player.printError("No snapshots were found for this world.");
         }
     }
-    }
 
     @Command(
-            aliases = { "after" },
+        name = "after",
-            usage = "<date>",
+        desc = "Choose the nearest snapshot after a date"
-            desc = "Choose the nearest snapshot after a date",
-            min = 1,
-            max = -1
     )
     @CommandPermissions("worldedit.snapshots.restore")
-    public void after(Player player, LocalSession session, CommandContext args) throws WorldEditException {
+    public void after(Player player, LocalSession session,
+                      @Arg(desc = "The soonest date that may be used")
+                          ZonedDateTime date) throws WorldEditException {
 
         LocalConfiguration config = we.getConfiguration();
 
@@ -249,17 +229,11 @@ public class SnapshotCommands {
             return;
         }
 
-        Calendar date = session.detectDate(args.getJoinedStrings(0));
-
-        if (date == null) {
-            player.printError("Could not detect the date inputted.");
-        } else {
         try {
             Snapshot snapshot = config.snapshotRepo.getSnapshotAfter(date, player.getWorld().getName());
             if (snapshot == null) {
-                    dateFormat.setTimeZone(session.getTimeZone());
                 player.printError("Couldn't find a snapshot after "
-                            + dateFormat.format(date.getTime()) + ".");
+                    + dateFormat.withZone(session.getTimeZone()).format(date) + ".");
             } else {
                 session.setSnapshot(snapshot);
                 player.print("Snapshot set to: " + snapshot.getName());
@@ -268,6 +242,5 @@ public class SnapshotCommands {
             player.printError("No snapshots were found for this world.");
         }
     }
-    }
 
 }

worldedit-core/src/main/java/com/sk89q/worldedit/command/SnapshotUtilCommands.java

@@ -19,14 +19,13 @@
 
 package com.sk89q.worldedit.command;
 
-import com.sk89q.minecraft.util.commands.Command;
-import com.sk89q.minecraft.util.commands.CommandContext;
-import com.sk89q.minecraft.util.commands.CommandPermissions;
 import com.sk89q.worldedit.EditSession;
 import com.sk89q.worldedit.LocalConfiguration;
 import com.sk89q.worldedit.LocalSession;
 import com.sk89q.worldedit.WorldEdit;
 import com.sk89q.worldedit.WorldEditException;
+import com.sk89q.worldedit.command.util.CommandPermissions;
+import com.sk89q.worldedit.command.util.CommandPermissionsConditionGenerator;
 import com.sk89q.worldedit.command.util.Logging;
 import com.sk89q.worldedit.entity.Player;
 import com.sk89q.worldedit.regions.Region;
@@ -36,12 +35,16 @@ import com.sk89q.worldedit.world.snapshot.Snapshot;
 import com.sk89q.worldedit.world.snapshot.SnapshotRestore;
 import com.sk89q.worldedit.world.storage.ChunkStore;
 import com.sk89q.worldedit.world.storage.MissingWorldException;
+import org.enginehub.piston.annotation.Command;
+import org.enginehub.piston.annotation.CommandContainer;
+import org.enginehub.piston.annotation.param.Arg;
 
 import java.io.File;
 import java.io.IOException;
 
 import static com.sk89q.worldedit.command.util.Logging.LogMode.REGION;
 
+@CommandContainer(superTypes = CommandPermissionsConditionGenerator.Registration.class)
 public class SnapshotUtilCommands {
 
     private final WorldEdit we;
@@ -51,15 +54,15 @@ public class SnapshotUtilCommands {
     }
 
     @Command(
-            aliases = { "restore", "/restore" },
+        name = "restore",
-            usage = "[snapshot]",
+        aliases = { "/restore" },
-            desc = "Restore the selection from a snapshot",
+        desc = "Restore the selection from a snapshot"
-            min = 0,
-            max = 1
     )
     @Logging(REGION)
     @CommandPermissions("worldedit.snapshots.restore")
-    public void restore(Player player, LocalSession session, EditSession editSession, CommandContext args) throws WorldEditException {
+    public void restore(Player player, LocalSession session, EditSession editSession,
+                        @Arg(name = "snapshot", desc = "The snapshot to restore", def = "")
+                            String snapshotName) throws WorldEditException {
 
         LocalConfiguration config = we.getConfiguration();
 
@@ -71,9 +74,9 @@ public class SnapshotUtilCommands {
         Region region = session.getSelection(player.getWorld());
         Snapshot snapshot;
 
-        if (args.argsLength() > 0) {
+        if (snapshotName != null) {
             try {
-                snapshot = config.snapshotRepo.getSnapshot(args.getString(0));
+                snapshot = config.snapshotRepo.getSnapshot(snapshotName);
             } catch (InvalidSnapshotException e) {
                 player.printError("That snapshot does not exist or is not available.");
                 return;
@@ -110,7 +113,7 @@ public class SnapshotUtilCommands {
             }
         }
 
-        ChunkStore chunkStore = null;
+        ChunkStore chunkStore;
 
         // Load chunk store
         try {

worldedit-core/src/main/java/com/sk89q/worldedit/command/WorldEditCommands.java

@@ -40,13 +40,14 @@ import com.sk89q.worldedit.util.report.SystemInfoReport;
 import java.io.File;
 import java.io.IOException;
 import java.nio.charset.Charset;
-import java.text.DateFormat;
+import java.time.ZoneId;
-import java.text.SimpleDateFormat;
+import java.time.ZonedDateTime;
-import java.util.Calendar;
+import java.time.format.DateTimeFormatter;
-import java.util.TimeZone;
+import java.time.format.TextStyle;
+import java.util.Locale;
 
 public class WorldEditCommands {
-    private static final DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss z");
+    private static final DateTimeFormatter dateFormat = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss z");
 
     private final WorldEdit we;
 
@@ -138,11 +139,13 @@ public class WorldEditCommands {
         max = 1
     )
     public void tz(Player player, LocalSession session, CommandContext args) throws WorldEditException {
-        TimeZone tz = TimeZone.getTimeZone(args.getString(0));
+        ZoneId tz = ZoneId.of(args.getString(0));
         session.setTimezone(tz);
-        player.print("Timezone set for this session to: " + tz.getDisplayName());
+        player.print("Timezone set for this session to: " + tz.getDisplayName(
+            TextStyle.FULL, Locale.ENGLISH
+        ));
         player.print("The current time in that timezone is: "
-                + dateFormat.format(Calendar.getInstance(tz).getTime()));
+            + dateFormat.format(ZonedDateTime.now(tz)));
     }
 
     @Command(

worldedit-core/src/main/java/com/sk89q/worldedit/command/argument/ZonedDateTimeConverter.java

@@ -0,0 +1,40 @@
+package com.sk89q.worldedit.command.argument;
+
+import com.sk89q.worldedit.LocalSession;
+import org.enginehub.piston.CommandManager;
+import org.enginehub.piston.converter.ArgumentConverter;
+import org.enginehub.piston.converter.ConversionResult;
+import org.enginehub.piston.converter.FailedConversion;
+import org.enginehub.piston.converter.SuccessfulConversion;
+import org.enginehub.piston.inject.InjectedValueAccess;
+import org.enginehub.piston.inject.Key;
+
+import java.time.ZoneOffset;
+import java.time.ZonedDateTime;
+import java.util.Calendar;
+
+public class ZonedDateTimeConverter implements ArgumentConverter<ZonedDateTime> {
+
+    public static void register(CommandManager commandManager) {
+        commandManager.registerConverter(Key.of(ZonedDateTime.class), new ZonedDateTimeConverter());
+    }
+
+    private ZonedDateTimeConverter() {
+    }
+
+    @Override
+    public String describeAcceptableArguments() {
+        return "any date";
+    }
+
+    @Override
+    public ConversionResult<ZonedDateTime> convert(String argument, InjectedValueAccess context) {
+        LocalSession session = context.injectedValue(Key.of(LocalSession.class))
+            .orElseThrow(() -> new IllegalStateException("Need a local session"));
+        Calendar date = session.detectDate(argument);
+        if (date == null) {
+            return FailedConversion.from(new IllegalArgumentException("Not a date: " + argument));
+        }
+        return SuccessfulConversion.fromSingle(date.toInstant().atZone(ZoneOffset.UTC));
+    }
+}

worldedit-core/src/main/java/com/sk89q/worldedit/extension/platform/PlatformCommandMananger.java

@@ -50,6 +50,10 @@ import com.sk89q.worldedit.command.ScriptingCommands;
 import com.sk89q.worldedit.command.ScriptingCommandsRegistration;
 import com.sk89q.worldedit.command.SelectionCommands;
 import com.sk89q.worldedit.command.SelectionCommandsRegistration;
+import com.sk89q.worldedit.command.SnapshotCommands;
+import com.sk89q.worldedit.command.SnapshotCommandsRegistration;
+import com.sk89q.worldedit.command.SnapshotUtilCommands;
+import com.sk89q.worldedit.command.SnapshotUtilCommandsRegistration;
 import com.sk89q.worldedit.command.argument.Arguments;
 import com.sk89q.worldedit.command.argument.CommaSeparatedValuesConverter;
 import com.sk89q.worldedit.command.argument.DirectionConverter;
@@ -58,6 +62,7 @@ import com.sk89q.worldedit.command.argument.ExpandAmountConverter;
 import com.sk89q.worldedit.command.argument.MaskConverter;
 import com.sk89q.worldedit.command.argument.PatternConverter;
 import com.sk89q.worldedit.command.argument.VectorConverter;
+import com.sk89q.worldedit.command.argument.ZonedDateTimeConverter;
 import com.sk89q.worldedit.command.util.CommandPermissionsConditionGenerator;
 import com.sk89q.worldedit.command.util.PermissionCondition;
 import com.sk89q.worldedit.entity.Entity;
@@ -201,6 +206,7 @@ public final class PlatformCommandMananger {
         VectorConverter.register(commandManager);
         EnumConverter.register(commandManager);
         ExpandAmountConverter.register(commandManager);
+        ZonedDateTimeConverter.register(commandManager);
     }
 
     private void registerAlwaysInjectedValues() {
@@ -250,6 +256,24 @@ public final class PlatformCommandMananger {
                 .required()
                 .build());
         });
+        commandManager.register("snapshot", cmd -> {
+            cmd.aliases(ImmutableList.of("snapshot", "snap"));
+            cmd.description("Snapshot commands for saving/loading snapshots");
+            cmd.action(Command.Action.NULL_ACTION);
+
+            CommandManager manager = DefaultCommandManagerService.getInstance()
+                .newCommandManager();
+            register(
+                manager,
+                SnapshotCommandsRegistration.builder(),
+                new SnapshotCommands(worldEdit)
+            );
+
+            cmd.addPart(SubCommandPart.builder("action", "Sub-command to run.")
+                .withCommands(manager.getAllCommands().collect(Collectors.toList()))
+                .required()
+                .build());
+        });
         commandManager.register("brush", cmd -> {
             cmd.aliases(ImmutableList.of("br"));
             cmd.description("Brushing commands");
@@ -318,6 +342,11 @@ public final class PlatformCommandMananger {
             SelectionCommandsRegistration.builder(),
             new SelectionCommands(worldEdit)
         );
+        register(
+            commandManager,
+            SnapshotUtilCommandsRegistration.builder(),
+            new SnapshotUtilCommands(worldEdit)
+        );
 
         // Unported commands are below. Delete once they're added to the main manager above.
         /*
@@ -333,10 +362,6 @@ public final class PlatformCommandMananger {
                             .describeAs("WorldEdit commands")
                             .registerMethods(new WorldEditCommands(worldEdit))
                             .parent()
-                        .group("snapshot", "snap")
-                            .describeAs("Schematic commands for saving/loading areas")
-                            .registerMethods(new SnapshotCommands(worldEdit))
-                            .parent()
                         .group("brush", "br")
                             .describeAs("Brushing commands")
                             .register(adapt(new ShapedBrushCommand(new DeformCommand(), "worldedit.brush.deform")), "deform")

worldedit-core/src/main/java/com/sk89q/worldedit/world/snapshot/Snapshot.java

@@ -34,7 +34,7 @@ import org.slf4j.LoggerFactory;
 
 import java.io.File;
 import java.io.IOException;
-import java.util.Calendar;
+import java.time.ZonedDateTime;
 import java.util.zip.ZipFile;
 
 /**
@@ -46,7 +46,7 @@ public class Snapshot implements Comparable<Snapshot> {
 
     protected File file;
     protected String name;
-    protected Calendar date;
+    protected ZonedDateTime date;
 
     /**
      * Construct a snapshot restoration operation.
@@ -185,7 +185,7 @@ public class Snapshot implements Comparable<Snapshot> {
      *
      * @return date for the snapshot
      */
-    public Calendar getDate() {
+    public ZonedDateTime getDate() {
         return date;
     }
 
@@ -194,7 +194,7 @@ public class Snapshot implements Comparable<Snapshot> {
      *
      * @param date the date of the snapshot
      */
-    public void setDate(Calendar date) {
+    public void setDate(ZonedDateTime date) {
         this.date = date;
     }
 

worldedit-core/src/main/java/com/sk89q/worldedit/world/snapshot/SnapshotRepository.java

@@ -23,15 +23,16 @@ package com.sk89q.worldedit.world.snapshot;
 
 import com.sk89q.worldedit.world.storage.MissingWorldException;
 
+import javax.annotation.Nullable;
 import java.io.File;
 import java.io.FilenameFilter;
+import java.time.ZoneOffset;
+import java.time.ZonedDateTime;
 import java.util.ArrayList;
 import java.util.Calendar;
 import java.util.Collections;
 import java.util.List;
 
-import javax.annotation.Nullable;
-
 /**
  * A repository contains zero or more snapshots.
  */
@@ -115,12 +116,12 @@ public class SnapshotRepository {
      * @return a snapshot or null
      */
     @Nullable
-    public Snapshot getSnapshotAfter(Calendar date, String world) throws MissingWorldException {
+    public Snapshot getSnapshotAfter(ZonedDateTime date, String world) throws MissingWorldException {
         List<Snapshot> snapshots = getSnapshots(true, world);
         Snapshot last = null;
 
         for (Snapshot snapshot : snapshots) {
-            if (snapshot.getDate() != null && snapshot.getDate().before(date)) {
+            if (snapshot.getDate() != null && snapshot.getDate().compareTo(date) < 0) {
                 return last;
             }
 
@@ -137,12 +138,12 @@ public class SnapshotRepository {
      * @return a snapshot or null
      */
     @Nullable
-    public Snapshot getSnapshotBefore(Calendar date, String world) throws MissingWorldException {
+    public Snapshot getSnapshotBefore(ZonedDateTime date, String world) throws MissingWorldException {
         List<Snapshot> snapshots = getSnapshots(false, world);
         Snapshot last = null;
 
         for (Snapshot snapshot : snapshots) {
-            if (snapshot.getDate().after(date)) {
+            if (snapshot.getDate().compareTo(date) > 0) {
                 return last;
             }
 
@@ -161,7 +162,7 @@ public class SnapshotRepository {
         for (SnapshotDateParser parser : dateParsers) {
             Calendar date = parser.detectDate(snapshot.getFile());
             if (date != null) {
-                snapshot.setDate(date);
+                snapshot.setDate(date.toInstant().atZone(ZoneOffset.UTC));
                 return;
             }
         }