1   package org.apache.velocity.test.eventhandler;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.    
20   */
21  
22  import org.apache.velocity.app.event.IncludeEventHandler;
23  import org.apache.velocity.app.event.MethodExceptionEventHandler;
24  import org.apache.velocity.app.event.NullSetEventHandler;
25  import org.apache.velocity.app.event.ReferenceInsertionEventHandler;
26  
27  /**
28   * This is a test set of event handlers, used to test event handler sequences.
29   *
30   * @author <a href="mailto:wglass@forio.com">Will Glass-Husain</a>
31   * @version $Id: Handler1.java 463298 2006-10-12 16:10:32Z henning $
32   */
33  public class Handler1
34      implements NullSetEventHandler, ReferenceInsertionEventHandler, MethodExceptionEventHandler, IncludeEventHandler {
35  
36          /**
37           * never log
38           */
39          public boolean shouldLogOnNullSet(String lhs, String rhs)
40          {
41              return false;
42          }
43  
44          /**
45           * display output twice, once uppercase and once lowercase
46           */
47          public Object referenceInsert(String reference, Object value)
48          {
49              if (value == null)
50                  return null;
51              else
52                  return value.toString().toUpperCase() + value.toString().toLowerCase();
53          }
54  
55          /**
56           * throw the exception
57           */
58          public Object methodException(Class claz, String method, Exception e) throws Exception
59          {
60              throw e;
61          }
62  
63          /*
64           * redirect all requests to a page "login.vm" (simulates access control).
65           */
66          public String includeEvent(
67              String includeResourcePath,
68              String currentResourcePath,
69              String directiveName)
70          {
71  
72              return "notfound.vm";
73  
74          }
75  
76  }