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1   /*
2    * Copyright 2003,2004,2005 The Apache Software Foundation.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.apache.pluto.portlet.admin.util;
17  
18  import java.util.Comparator;
19  
20  import org.apache.pluto.portalImpl.om.entity.impl.PortletApplicationEntityImpl;
21  import org.apache.pluto.portlet.admin.BaseAdminObject;
22  
23  /***
24   * Implementation of Comparator for comparing Castor
25   * PortletApplicationEntityImp instances.
26   * .
27   *
28   * @author Craig Doremus
29   * @see org.apache.pluto.portalImpl.om.entity.impl.PortletApplicationEntityImpl
30   */
31  public class PortletApplicationEntityImplComparator extends BaseAdminObject implements Comparator {
32  
33  	private static final String CLASS_NAME = "PortletApplicationEntityImplComparator";
34  	public PortletApplicationEntityImplComparator() {
35  		super(CLASS_NAME);
36  	}
37  	/***
38  	 * Implementation method
39  	 * @see java.util.Comparator#compare(java.lang.Object, java.lang.Object)
40  	 */
41  	public int compare(Object obj1, Object obj2) {
42  		if (!(obj1 instanceof PortletApplicationEntityImpl) || !(obj2 instanceof PortletApplicationEntityImpl)) {
43  			throw new ClassCastException("Wrong class type used for PortletApplicationEntityImplComparator");
44  		} else {
45  			PortletApplicationEntityImpl app1 = (PortletApplicationEntityImpl)obj1;
46  			PortletApplicationEntityImpl app2 = (PortletApplicationEntityImpl)obj2;
47              return app1.getCastorId().compareTo(app2.getCastorId());
48  		}
49  	}
50  
51  }