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 }