View Javadoc

1   /*
2    * $Id: NullComponent.java 7976 2007-08-21 14:26:13Z dirk.olmes $
3    * --------------------------------------------------------------------------------------
4    * Copyright (c) MuleSource, Inc.  All rights reserved.  http://www.mulesource.com
5    *
6    * The software in this package is published under the terms of the CPAL v1.0
7    * license, a copy of which has been included with this distribution in the
8    * LICENSE.txt file.
9    */
10  
11  package org.mule.components.simple;
12  
13  import org.mule.umo.UMOEventContext;
14  import org.mule.umo.lifecycle.Callable;
15  
16  /**
17   * <code>NullComponent</code> is a component that is used as a placeholder. This
18   * implementation will throw an exception if a message is received for it.
19   * 
20   * @deprecated This component used to be used together with the Forwarding
21   *             consumer inbound router. You can now use the BridgeComponent that
22   *             takes care of configuring the inbound router for you.
23   */
24  public class NullComponent implements Callable
25  {
26      public Object onCall(UMOEventContext context) throws Exception
27      {
28          throw new UnsupportedOperationException("This component cannot receive messages. Component is: "
29                                                  + context.getComponentDescriptor().getName());
30      }
31  }