訪問擴展點_DM

jinzq 2007-01-26

展開全文

1.plugin.xml:
    <extension
         point="example.my.treeview.datafactory">
      <factory class="example.my.treeview.data.DataFactory"/>
   </extension>
2.code:
    //
    public static Object loadDataFactory(){
       ArrayList list = new ArrayList();
       //IPluginRegistry r=Platform. getPluginRegistry();
       IExtensionRegistry r = Platform.getExtensionRegistry();//獲得注冊的所有擴展點
       String pluginID = "example.my.treeview"; //插件ID
       String extensionPointID = "datafactory"; //定義擴展點的ID
       IExtensionPoint p = r.getExtensionPoint( pluginID, extensionPointID); //獲得指定的擴展點
       IConfigurationElement[] c = p.getConfigurationElements(); //獲得指定擴展點的所有元素
       if( c != null) {
           for( int i= 0; i <c.length; i++) {
               IDataFactory data = null;
               try {
                   data=( IDataFactory)c[i].createExecutableExtension("class");
                   if( data != null){
                       list.add(data.createTreeData());
                   }
               } catch( CoreException x) {
                       // handle exception } } }
               }
           }
       }
       return list.get(list.size()-1);
    }