RoleChooserPortlet xref

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1   /* 
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8   *
9   *     http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17  package org.apache.jetspeed.portlets.security.roles;
18  
19  import java.sql.Types;
20  import java.util.ArrayList;
21  import java.util.Iterator;
22  import java.util.List;
23  
24  import javax.portlet.PortletConfig;
25  import javax.portlet.PortletException;
26  import javax.portlet.RenderRequest;
27  
28  import org.apache.jetspeed.CommonPortletServices;
29  import org.apache.jetspeed.security.Role;
30  import org.apache.jetspeed.security.RoleManager;
31  import org.apache.portals.gems.browser.BrowserIterator;
32  import org.apache.portals.gems.browser.BrowserPortlet;
33  import org.apache.portals.gems.browser.DatabaseBrowserIterator;
34  
35  /***
36   * RoleChooserPortlet
37   * 
38   * @author <a href="mailto:ate@douma.nu">Ate Douma</a>
39   * @version $Id$
40   */
41  public class RoleChooserPortlet extends BrowserPortlet
42  {
43      private RoleManager roleManager;
44      
45      public void init(PortletConfig config)
46      throws PortletException 
47      {
48          super.init(config);
49          roleManager = (RoleManager) getPortletContext().getAttribute(CommonPortletServices.CPS_ROLE_MANAGER_COMPONENT);
50          if (null == roleManager)
51          {
52              throw new PortletException("Failed to find the Role Manager on portlet initialization");
53          }
54      }
55             
56      public void getRows(RenderRequest request, String sql, int windowSize)
57      throws Exception
58      {
59          List resultSetTitleList = new ArrayList();
60          List resultSetTypeList = new ArrayList();
61          try
62          {
63              Iterator roles = roleManager.getRoles("");
64                          
65              
66              resultSetTypeList.add(String.valueOf(Types.VARCHAR));
67              resultSetTitleList.add("Role");
68  
69              // TODO: need to try to normalize List/Collection/Iterators
70              List list = new ArrayList();
71              while (roles.hasNext())
72              {
73                  list.add(((Role)roles.next()).getPrincipal().getName());
74              }            
75              BrowserIterator iterator = new DatabaseBrowserIterator(
76                      list, resultSetTitleList, resultSetTypeList,
77                      windowSize);
78              setBrowserIterator(request, iterator);
79              iterator.sort("Role");
80          }
81          catch (Exception e)
82          {
83              //log.error("Exception in CMSBrowserAction.getRows: ", e);
84              e.printStackTrace();
85              throw e;
86          }        
87      }
88         
89  }