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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   * @since 2.0
29   */
30  public abstract class ExceptionHandler implements SystemEventListener
31  {
32      public ExceptionHandler()
33      {
34  
35      }
36  
37      public abstract ExceptionQueuedEvent getHandledExceptionQueuedEvent();
38  
39      public abstract Iterable<ExceptionQueuedEvent> getHandledExceptionQueuedEvents();
40  
41      public abstract Throwable getRootCause(Throwable t);
42  
43      public abstract Iterable<ExceptionQueuedEvent> getUnhandledExceptionQueuedEvents();
44  
45      public abstract void handle() throws FacesException;
46  
47      public abstract boolean isListenerForSource(Object source);
48  
49      public abstract void processEvent(SystemEvent exceptionQueuedEvent) throws AbortProcessingException;
50  }