TransformComponent.java :  » ESB » servicemix » org » apache » servicemix » components » util » Java Open Source

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.servicemix.components.util;

import javax.jbi.messaging.MessageExchange;
import javax.jbi.messaging.MessagingException;
import javax.jbi.messaging.NormalizedMessage;

import org.springframework.beans.factory.InitializingBean;

/**
 * A Java based transformation component using a plugable {@link MessageTransformer} instance
 * to transform the input message into the output message.
 *
 * @version $Revision: 564374 $
 */
public class TransformComponent extends TransformComponentSupport implements InitializingBean {
    private MessageTransformer transformer;

    public void afterPropertiesSet() throws Exception {
        if (transformer == null) {
            throw new IllegalArgumentException("Must specify a transformer property");
        }
    }

    public MessageTransformer getTransformer() {
        return transformer;
    }

    public void setTransformer(MessageTransformer transformer) {
        this.transformer = transformer;
    }

    protected boolean transform(MessageExchange exchange, NormalizedMessage in, NormalizedMessage out) throws MessagingException {
        return transformer.transform(exchange, in, out);
    }
}