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1   /*
2   * Copyright 2003,2004 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  
17  package org.apache.pluto.portalImpl.om.servlet.impl;
18  
19  import java.util.Iterator;
20  
21  import org.apache.pluto.portalImpl.om.common.AbstractSupportSet;
22  import org.apache.pluto.portalImpl.om.common.Support;
23  
24  /***
25   * Resource Reference Set as defined by the web.xml as
26   * <resourse-ref>.
27   *
28   * @author <a href="ddewolf@apache.org">David H. DeWolf</a>
29   */
30  public class ResourceRefSet
31      extends AbstractSupportSet
32      implements java.io.Serializable, Support {
33  
34      /***
35       *  Retrieve the Resource Reference
36       */
37      public ResourceRef get(String name)
38      {
39          Iterator it = this.iterator();
40          while(it.hasNext()) {
41              ResourceRef ref = (ResourceRef)it.next();
42              if(ref.getName().equals(name)) {
43                  return ref;
44              }
45          }
46          return null;
47      }
48  
49      public ResourceRef add(ResourceRef ref)
50      {
51          return this.add(ref);
52      }
53  
54      public ResourceRef remove(ResourceRef ref)
55      {
56          Iterator it = this.iterator();
57          while(it.hasNext()) {
58              ResourceRef internal = (ResourceRef)it.next();
59              if(internal.equals(ref)) {
60                  it.remove();
61                  return internal;
62              }
63          }
64          return null;
65      }
66  
67  
68  }