Add the simple plugin class loader [CloudburstMC#2 finished]

Author: magiclu550

src/main/java/cn/nukkit/plugin/JavaPluginLoader.java

@@ -5,6 +5,7 @@
 import cn.nukkit.event.plugin.PluginEnableEvent;
 import cn.nukkit.plugin.simple.Command;
 import cn.nukkit.plugin.simple.Main;
+import cn.nukkit.plugin.simple.Permission;
 import cn.nukkit.utils.PluginException;
 import cn.nukkit.utils.Utils;
 
@@ -70,7 +71,7 @@ public Plugin loadPlugin(File file) throws Exception {
         return null;
     }
 
-    //TODO
+    //simple load Plugin
     @Override
     public Plugin simpleLoadPlugin(File file) {
         try {
@@ -87,6 +88,11 @@ public Plugin simpleLoadPlugin(File file) {
         //do it
     }
 
+    @Override
+    public Plugin simpleLoadPlugin(String fileName) {
+        return simpleLoadPlugin(new File(fileName));
+    }
+
     private Class getSimplePlugin(File file){
         try(JarFile jarFile = new JarFile(file)){
             PluginClassLoader classLoader = new PluginClassLoader(this, this.getClass().getClassLoader(),file);
@@ -139,6 +145,16 @@ private PluginDescription getSimpleDescription(Class<?> plugin){
         hashMap.put("website",website);
         hashMap.put("prefix",prefix);
         PluginDescription descript = new PluginDescription(hashMap);
+        Permission[] permissions = main.permissions();
+        HashMap<String,Map<String,String>> pers = new HashMap<>();
+        for(Permission p:permissions){
+            HashMap<String,String> pers_child = new HashMap<>();
+            pers_child.put("description",p.description());
+            pers_child.put("default",p.theDefault());
+            pers.put(p.permission(),pers_child);
+
+        }
+        hashMap.put("permissions",pers);
         Command[] commands = main.commands();
         for(Command command:commands){
             descript.getCommands().put(command.name(),command);

src/main/java/cn/nukkit/plugin/PluginLoader.java

@@ -68,6 +68,8 @@ public interface PluginLoader {
      */
     Plugin simpleLoadPlugin(File file);
 
+    Plugin simpleLoadPlugin(String fileName);
+
     /**
      * 通过插件文件名的字符串，来获得描述这个插件的 {@code PluginDescription}对象。<br>
      * Gets a {@code PluginDescription} object describes the plugin by its file name.

src/main/java/cn/nukkit/plugin/PluginManager.java

@@ -6,6 +6,7 @@
 import cn.nukkit.event.*;
 import cn.nukkit.permission.Permissible;
 import cn.nukkit.permission.Permission;
+import cn.nukkit.plugin.simple.Command;
 import cn.nukkit.utils.MainLogger;
 import cn.nukkit.utils.PluginException;
 import cn.nukkit.utils.Utils;
@@ -108,6 +109,14 @@ public Plugin loadPlugin(File file, Map<String, PluginLoader> loaders) {
                             Server.getInstance().getLogger().critical("Could not load plugin", e);
                             return null;
                         }
+                    }else{
+                        Plugin plugin = loader.simpleLoadPlugin(file);
+                        this.plugins.put(plugin.getDescription().getName(),plugin);
+                        List<PluginCommand> pluginCommands = this.parseSimplePluginCommands(plugin);
+
+                        if (!pluginCommands.isEmpty()) {
+                            this.commandMap.registerAll(plugin.getDescription().getName(), pluginCommands);
+                        }
                     }
                 }
             }
@@ -116,6 +125,7 @@ public Plugin loadPlugin(File file, Map<String, PluginLoader> loaders) {
         return null;
     }
 
+
     public Map<String, Plugin> loadPlugins(String dictionary) {
         return this.loadPlugins(new File(dictionary));
     }
@@ -447,6 +457,21 @@ public void enablePlugin(Plugin plugin) {
         }
     }
 
+    protected  List<PluginCommand> parseSimplePluginCommands(Plugin plugin){
+        List<PluginCommand> pluginCmds = new ArrayList<>();
+        Set<Map.Entry<String,Object>> commands = plugin.getDescription().getCommands().entrySet();
+        for(Object obj : commands){
+            Command command = (Command)obj;
+            PluginCommand newCmd = new PluginCommand<>(command.name(),plugin);
+            newCmd.setDescription(command.description());
+            newCmd.setUsage(command.usage());
+            newCmd.setAliases(command.aliases());
+            newCmd.setPermission(command.permission());
+            pluginCmds.add(newCmd);
+        }
+        return pluginCmds;
+    }
+
     protected List<PluginCommand> parseYamlCommands(Plugin plugin) {
         List<PluginCommand> pluginCmds = new ArrayList<>();
 

src/main/java/cn/nukkit/plugin/simple/Command.java

@@ -15,7 +15,7 @@
 
     String description() default "";
 
-    Permission permission();
+    String permission();
 
     String[] aliases() default {};
 }

src/main/java/cn/nukkit/plugin/simple/Main.java

@@ -43,5 +43,7 @@
 
     Command[] commands() default {};
 
+    Permission[] permissions() default {};
+
 
 }

src/main/java/cn/nukkit/plugin/simple/Permission.java

@@ -9,6 +9,8 @@
 @Target(ElementType.TYPE)
 public @interface Permission {
 
+    String permission();
+
     String description() default "";
 
     String theDefault();