View Javadoc

1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package javax.faces.context;
20  
21  import javax.faces.FacesException;
22  import javax.faces.event.AbortProcessingException;
23  import javax.faces.event.ExceptionQueuedEvent;
24  import javax.faces.event.SystemEvent;
25  import javax.faces.event.SystemEventListener;
26  
27  /**
28   * 
29   * @since 2.0
30   * @author Leonardo Uribe (latest modification by $Author: slessard $)
31   * @version $Revision: 761981 $ $Date: 2009-04-04 13:44:14 -0500 (Sat, 04 Apr 2009) $
32   */
33  public abstract class ExceptionHandler implements SystemEventListener
34  {
35      public ExceptionHandler()
36      {
37  
38      }
39  
40      public abstract ExceptionQueuedEvent getHandledExceptionQueuedEvent();
41  
42      public abstract Iterable<ExceptionQueuedEvent> getHandledExceptionQueuedEvents();
43  
44      public abstract Throwable getRootCause(Throwable t);
45  
46      public abstract Iterable<ExceptionQueuedEvent> getUnhandledExceptionQueuedEvents();
47  
48      public abstract void handle() throws FacesException;
49  
50      public abstract boolean isListenerForSource(Object source);
51  
52      public abstract void processEvent(SystemEvent exceptionQueuedEvent) throws AbortProcessingException;
53  }