Commands now have the ability to set a permission required before execution

src/main/java/org/bukkit/command/defaults/PluginsCommand.java

@@ -0,0 +1,43 @@
+package org.bukkit.command.defaults;
+
+import java.util.Arrays;
+import org.bukkit.ChatColor;
+import org.bukkit.Bukkit;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandSender;
+import org.bukkit.plugin.Plugin;
+
+public class PluginsCommand extends Command {
+    public PluginsCommand(String name) {
+        super(name);
+        this.description = "Gets a list of plugins running on the server";
+        this.usageMessage = "/plugins";
+        this.setPermission("bukkit.command.plugins");
+        this.setAliases(Arrays.asList("pl"));
+    }
+
+    @Override
+    public boolean execute(CommandSender sender, String currentAlias, String[] args) {
+        if (!testPermission(sender)) return true;
+        
+        sender.sendMessage("Plugins: " + getPluginList());
+        return true;
+    }
+
+    private String getPluginList() {
+        StringBuilder pluginList = new StringBuilder();
+        Plugin[] plugins = Bukkit.getPluginManager().getPlugins();
+        
+        for (Plugin plugin : plugins) {
+            if (pluginList.length() > 0) {
+                pluginList.append(ChatColor.WHITE);
+                pluginList.append(", ");
+            }
+            
+            pluginList.append(plugin.isEnabled() ? ChatColor.GREEN : ChatColor.RED);
+            pluginList.append(plugin.getDescription().getName());
+        }
+
+        return pluginList.toString();
+    }
+}