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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  
18   */
19  
20  package org.apache.pluto.portalImpl.aggregation;
21  
22  import java.io.IOException;
23  import java.util.Collection;
24  import java.util.Collections;
25  
26  import javax.servlet.ServletConfig;
27  import javax.servlet.ServletException;
28  import javax.servlet.http.HttpServletRequest;
29  import javax.servlet.http.HttpServletResponse;
30  
31  import org.apache.pluto.portalImpl.core.PortalURL;
32  
33  public abstract class AbstractFragmentSingle extends AbstractFragment
34  {
35  
36      public AbstractFragmentSingle(String id,
37                                    ServletConfig config, 
38                                    org.apache.pluto.portalImpl.aggregation.Fragment parent,
39                                    org.apache.pluto.portalImpl.om.page.Fragment fragDesc,
40                                    org.apache.pluto.portalImpl.aggregation.navigation.Navigation navigation)
41      throws Exception 
42      {
43          super(id, config, parent, fragDesc, navigation);
44      }
45  
46      public void preService(HttpServletRequest request, HttpServletResponse response)
47          throws ServletException, IOException
48      {
49      }
50  
51      public void postService(HttpServletRequest request, HttpServletResponse response)
52          throws ServletException, IOException
53      {
54      }
55  
56      public Collection getChildFragments()
57      {
58          return Collections.EMPTY_LIST;
59      }
60  
61      public void addChild(org.apache.pluto.portalImpl.aggregation.Fragment child)
62      {
63          // do nothing
64      }
65  
66      abstract public void createURL(PortalURL url);
67  
68      abstract public boolean isPartOfURL(PortalURL url);
69  
70  }