Added Command global listener

src/main/java/net/minestom/server/command/builder/Command.java

@@ -1,5 +1,6 @@
 package net.minestom.server.command.builder;
 
+import net.minestom.server.command.CommandSender;
 import net.minestom.server.command.builder.arguments.Argument;
 import net.minestom.server.command.builder.arguments.ArgumentDynamicStringArray;
 import net.minestom.server.command.builder.arguments.ArgumentDynamicWord;
@@ -36,7 +37,7 @@ public class Command {
      * Get the command condition
      * <p>
      * It is called no matter the syntax used and can be used to check permissions or
-     * the {@link net.minestom.server.command.CommandSender} type
+     * the {@link CommandSender} type
      *
      * @return the command condition
      */
@@ -137,4 +138,18 @@ public class Command {
         return null;
     }
 
+    /**
+     * Called when a {@link CommandSender} executes this command.
+     * Executed before any syntax callback.
+     * <p>
+     * WARNING: the {@link CommandCondition} is not executed, and all the {@link CommandSyntax} are not checked,
+     * this is called every time a {@link CommandSender} send a command which start by {@link #getName()} or {@link #getAliases()}.
+     *
+     * @param sender    the {@link CommandSender}
+     * @param arguments the UNCHECKED arguments of the command, some can be null even when unexpected
+     * @param command   the raw UNCHECKED received command
+     */
+    public void globalListener(CommandSender sender, Arguments arguments, String command) {
+    }
+
 }

src/main/java/net/minestom/server/command/builder/CommandDispatcher.java

@@ -47,7 +47,7 @@ public class CommandDispatcher {
 
     public void execute(CommandSender source, String commandString) {
         CommandResult result = parse(commandString);
-        result.execute(source);
+        result.execute(source, commandString);
     }
 
     public Set<Command> getCommands() {
@@ -235,7 +235,6 @@ public class CommandDispatcher {
     }
 
     private static class CommandResult {
-
         // Command
         private Command command;
 
@@ -254,9 +253,12 @@ public class CommandDispatcher {
          * The command will not be executed if the {@link CommandCondition} of the command
          * is not validated
          *
-         * @param source the command source
+         * @param source        the command source
+         * @param commandString the command string
          */
-        public void execute(CommandSender source) {
+        public void execute(CommandSender source, String commandString) {
+            // Global listener
+            command.globalListener(source, arguments, commandString);
             // Condition check
             final CommandCondition condition = command.getCondition();
             if (condition != null) {

src/main/java/net/minestom/server/command/builder/condition/CommandCondition.java

@@ -3,7 +3,7 @@ package net.minestom.server.command.builder.condition;
 import net.minestom.server.command.CommandSender;
 
 /**
- * Used to know if the command source is allowed to run the command
+ * Used to know if the {@link CommandSender} is allowed to run the command
  */
 public interface CommandCondition {
     boolean apply(CommandSender source);