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Java > Open Source Codes > org > mule > components > simple > NullComponent


1 /*
2  * $Id: NullComponent.java 3798 2006-11-04 04:07:14Z aperepel $
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 MuleSource MPL
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 in conjection 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  * @author <a HREF="mailto:ross.mason@symphonysoft.com">Ross Mason</a>
24  * @version $Revision: 3798 $
25  */
26 public class NullComponent implements Callable
27 {
28     public Object JavaDoc onCall(UMOEventContext context) throws Exception JavaDoc
29     {
30         throw new UnsupportedOperationException JavaDoc("This component cannot receive messages. Component is: "
31                                                 + context.getComponentDescriptor().getName());
32     }
33 }
34
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