Updated commands to have optional aliases, and to fallback to /pluginName:cmdName on name conflict.

By: VictorD <victor.danell@gmail.com>

paper-api/src/main/java/org/bukkit/command/PluginCommandYamlParser.java

@@ -0,0 +1,51 @@
+package org.bukkit.command;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+
+import org.bukkit.plugin.Plugin;
+
+public class PluginCommandYamlParser {
+    
+    public static List<Command> parse(Plugin plugin) {
+        List<Command> pluginCmds = new ArrayList<Command>();
+        Object object = plugin.getDescription().getCommands();
+        if (object == null)
+            return pluginCmds;            
+        
+        @SuppressWarnings("unchecked")
+        Map<String, Map<String, Object>> map = (Map<String, Map<String, Object>>)object;
+
+        if (map != null) {
+            for(Entry<String, Map<String, Object>> entry : map.entrySet()) {
+                Command newCmd = new PluginCommand(entry.getKey(),plugin);                
+                Object description = entry.getValue().get("description");
+                Object usage = entry.getValue().get("usage");
+                Object aliases = entry.getValue().get("aliases");
+                
+                if (description != null)
+                    newCmd.setTooltip(description.toString());
+
+                if (usage != null) {
+                    newCmd.setUsage(usage.toString());
+                }
+                
+                if (aliases != null) {
+                    List<String> aliasList = new ArrayList<String>();
+                    
+                    for(String a : aliases.toString().split(",")) {
+                            aliasList.add(a);
+                    }
+                        
+                    newCmd.setAliases(aliasList);
+                }
+                
+                pluginCmds.add(newCmd);
+            }
+        }
+        return pluginCmds;
+    }
+
+}