/*

  * Copyright 2002-2004 The Apache Software Foundation

  *

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  *     http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 package org.apache.commons.clazz.bean;

 import org.apache.commons.clazz.ClazzLoader;

 import org.apache.commons.clazz.ModelClazzLoader;

 import org.apache.commons.clazz.common.GroupClazzLoader;

 /**

  * 

  * @author <a href="mailto:dmitri@apache.org">Dmitri Plotnikov</a>

  * @version $Id: BeanGroupClazzLoader.java 155436 2005-02-26 13:17:48Z dirkv $

  */

 public class BeanGroupClazzLoader extends GroupClazzLoader {

     public BeanGroupClazzLoader(ModelClazzLoader modelClazzLoader) {

         super(modelClazzLoader);

     }

     public boolean canAddClazzLoader(ClazzLoader loader) {

         return loader instanceof BeanClazzLoader;

     }        

     public boolean isMember(Object instance) {

         // This is just an optimization - the Group can answer for all

         // of its members without checking with each one individually

         return instance instanceof Bean;

     }

     /**

      * @see GroupClazzLoader#getClazzName(Object)

      */

     public String getClazzName(Object instance) {

         // This is just an optimization - the Group can answer for all 

         // of its members without checking with each one individually 

         if (!isMember(instance)) {

             return null;

         }

         return super.getClazzName(instance);

     }

 }