Improve CommandFramework Exception readability

SpigotCore_Main/src/de/steamwar/command/CommandFrameworkException.java

@@ -0,0 +1,76 @@
+/*
+ * 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.command;
+
+import java.io.PrintStream;
+import java.io.PrintWriter;
+import java.lang.reflect.InvocationTargetException;
+
+public class CommandFrameworkException extends RuntimeException {
+
+    private InvocationTargetException invocationTargetException;
+    private String alias;
+    private String[] args;
+
+    private String message;
+
+    CommandFrameworkException(InvocationTargetException invocationTargetException, String alias, String[] args) {
+        this.invocationTargetException = invocationTargetException;
+        this.alias = alias;
+        this.args = args;
+    }
+
+    public synchronized String getBuildStackTrace() {
+        if (message != null) {
+            return message;
+        }
+        StackTraceElement[] stackTraceElements = invocationTargetException.getCause().getStackTrace();
+        StringBuilder st = new StringBuilder();
+        st.append(invocationTargetException.getCause().getClass().getTypeName());
+        if (invocationTargetException.getCause().getMessage() != null) {
+            st.append(": ").append(invocationTargetException.getCause().getMessage());
+        }
+        st.append("\n");
+        if (alias != null && !alias.isEmpty()) {
+            st.append("Performed command: ").append(alias).append(" ").append(String.join(" ", args)).append("\n");
+        }
+        for (int i = 0; i < stackTraceElements.length - invocationTargetException.getStackTrace().length; i++) {
+            st.append("\tat ").append(stackTraceElements[i].toString()).append("\n");
+        }
+        st.append("\n");
+        message = st.toString();
+        return message;
+    }
+
+    @Override
+    public void printStackTrace() {
+        printStackTrace(System.err);
+    }
+
+    @Override
+    public void printStackTrace(PrintStream s) {
+        s.print(getBuildStackTrace());
+    }
+
+    @Override
+    public void printStackTrace(PrintWriter s) {
+        s.print(getBuildStackTrace());
+    }
+}

SpigotCore_Main/src/de/steamwar/command/SWCommand.java

@@ -96,11 +96,14 @@ public abstract class SWCommand {
 
     void execute(CommandSender sender, String alias, String[] args) {
         try {
-            if (!commandList.stream().anyMatch(s -> s.invoke(sender, args))) {
-                commandHelpList.stream().anyMatch(s -> s.invoke(sender, args));
+            if (!commandList.stream().anyMatch(s -> s.invoke(sender, alias, args))) {
+                commandHelpList.stream().anyMatch(s -> s.invoke(sender, alias, args));
             }
         } catch (CommandNoHelpException e) {
             // Ignored
+        } catch (CommandFrameworkException e) {
+            Bukkit.getLogger().log(Level.SEVERE, e.getBuildStackTrace());
+            throw e;
         }
     }
 

SpigotCore_Main/src/de/steamwar/command/SubCommand.java

@@ -61,7 +61,7 @@ class SubCommand {
         commandSenderFunction = sender -> parameters[0].getType().cast(sender);
     }
 
-    boolean invoke(CommandSender commandSender, String[] args) {
+    boolean invoke(CommandSender commandSender, String alias, String[] args) {
         try {
             if (!commandSenderPredicate.test(commandSender)) {
                 return false;
@@ -97,7 +97,9 @@ class SubCommand {
             throw e;
         } catch (CommandParseException e) {
             return false;
-        } catch (IllegalAccessException | RuntimeException | InvocationTargetException e) {
+        } catch (InvocationTargetException e) {
+            throw new CommandFrameworkException(e, alias, args);
+        } catch (IllegalAccessException | RuntimeException e) {
             throw new SecurityException(e.getMessage(), e);
         }
         return true;