/*
* JBoss, Home of Professional Open Source
* Copyright 2006, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.soa.esb.actions.converters;
import java.io.UnsupportedEncodingException;
import java.util.List;
import org.jboss.soa.esb.actions.AbstractActionPipelineProcessor;
import org.jboss.soa.esb.actions.ActionProcessingException;
import org.jboss.soa.esb.actions.ActionUtils;
import org.jboss.soa.esb.helpers.ConfigTree;
import org.jboss.soa.esb.helpers.KeyValuePair;
import org.jboss.soa.esb.message.Message;
import org.jboss.soa.esb.message.MessagePayloadProxy;
import org.jboss.soa.esb.message.body.content.BytesBody;
import org.jboss.soa.esb.listeners.message.MessageDeliverException;
/**
* Byte Array to String processor.
* <p/>
* Sample Action Configuration:
* <pre>
* <Action name="Bytes-To-UTF-8-String" processor="ByteArrayToString">
* <property name="encoding" value="UTF-8" /> <!-- Default of "UTF-8". -->
* </Action>
* </pre>
* @author <a href="mailto:tom.fennelly@jboss.com">tom.fennelly@jboss.com</a>
* @since Version 4.0
*/
public class ByteArrayToString extends AbstractActionPipelineProcessor {
private String encoding;
private MessagePayloadProxy payloadProxy;
/**
* Public constructor.
* @param config Action properties.
*/
public ByteArrayToString(ConfigTree config) {
encoding = config.getAttribute("encoding", "UTF-8");
payloadProxy = new MessagePayloadProxy(config,
new String[] {BytesBody.BYTES_LOCATION, ActionUtils.POST_ACTION_DATA},
new String[] {ActionUtils.POST_ACTION_DATA});
}
/* (non-Javadoc)
* @see org.jboss.soa.esb.actions.ActionProcessor#process(java.lang.Object)
*/
public Message process(Message message) throws ActionProcessingException {
byte[] bytes;
try {
bytes = (byte[]) payloadProxy.getPayload(message);
} catch(ClassCastException e) {
throw new ActionProcessingException("Message must be an array of bytes. Is " + message.getClass().getName());
} catch (MessageDeliverException e) {
throw new ActionProcessingException(e);
}
try {
payloadProxy.setPayload(message, new String(bytes, encoding));
return message;
} catch (UnsupportedEncodingException e) {
throw new ActionProcessingException("Unable to decode byte[] to String. Unsupported character encoding configuration: " + encoding, e);
} catch (MessageDeliverException e) {
throw new ActionProcessingException(e);
}
}
}