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1   // ========================================================================
2   // Copyright (c) 2006-2009 Mort Bay Consulting Pty. Ltd.
3   // ------------------------------------------------------------------------
4   // All rights reserved. This program and the accompanying materials
5   // are made available under the terms of the Eclipse Public License v1.0
6   // and Apache License v2.0 which accompanies this distribution.
7   // The Eclipse Public License is available at 
8   // http://www.eclipse.org/legal/epl-v10.html
9   // The Apache License v2.0 is available at
10  // http://www.opensource.org/licenses/apache2.0.php
11  // You may elect to redistribute this code under either of these licenses. 
12  // ========================================================================
13  
14  package org.eclipse.jetty.plus.annotation;
15  
16  import java.util.HashMap;
17  
18  import javax.servlet.ServletException;
19  
20  import org.eclipse.jetty.servlet.ServletHolder;
21  import org.eclipse.jetty.util.log.Log;
22  import org.eclipse.jetty.util.log.Logger;
23  
24  
25  /**
26   * RunAsCollection
27   *
28   *
29   */
30  public class RunAsCollection
31  {
32      private static final Logger LOG = Log.getLogger(RunAsCollection.class);
33  
34      public static final String RUNAS_COLLECTION = "org.eclipse.jetty.runAsCollection";
35      private HashMap<String, RunAs> _runAsMap = new HashMap<String, RunAs>();//map of classname to run-as
36    
37      
38      
39      public void add (RunAs runAs)
40      {
41          if ((runAs==null) || (runAs.getTargetClassName()==null)) 
42              return;
43          
44          if (LOG.isDebugEnabled())
45              LOG.debug("Adding run-as for class="+runAs.getTargetClassName());
46          _runAsMap.put(runAs.getTargetClassName(), runAs);
47      }
48  
49      public RunAs getRunAs (Object o)
50      throws ServletException
51      {
52          if (o==null)
53              return null;
54          
55          return (RunAs)_runAsMap.get(o.getClass().getCanonicalName());
56      }
57      
58      public void setRunAs(Object o)
59      throws ServletException
60      {
61          if (o == null)
62              return;
63          
64          if (!ServletHolder.class.isAssignableFrom(o.getClass()))
65              return;
66        
67          RunAs runAs = (RunAs)_runAsMap.get(o.getClass().getName());
68          if (runAs == null)
69              return;
70          
71          runAs.setRunAs((ServletHolder)o);
72      }
73  
74  }