| /** |
| * 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.camel.processor; |
| |
| import java.io.InputStream; |
| |
| import org.apache.camel.CamelContext; |
| import org.apache.camel.CamelContextAware; |
| import org.apache.camel.Exchange; |
| import org.apache.camel.Message; |
| import org.apache.camel.Processor; |
| import org.apache.camel.impl.ServiceSupport; |
| import org.apache.camel.spi.DataFormat; |
| import org.apache.camel.util.ExchangeHelper; |
| import org.apache.camel.util.ObjectHelper; |
| import org.apache.camel.util.ServiceHelper; |
| |
| /** |
| * Unmarshals the body of the incoming message using the given |
| * <a href="http://camel.apache.org/data-format.html">data format</a> |
| * |
| * @version |
| */ |
| public class UnmarshalProcessor extends ServiceSupport implements Processor, Traceable, CamelContextAware { |
| private CamelContext camelContext; |
| private final DataFormat dataFormat; |
| |
| public UnmarshalProcessor(DataFormat dataFormat) { |
| this.dataFormat = dataFormat; |
| } |
| |
| public void process(Exchange exchange) throws Exception { |
| ObjectHelper.notNull(dataFormat, "dataFormat"); |
| |
| InputStream stream = ExchangeHelper.getMandatoryInBody(exchange, InputStream.class); |
| try { |
| // lets setup the out message before we invoke the dataFormat |
| // so that it can mutate it if necessary |
| Message out = exchange.getOut(); |
| out.copyFrom(exchange.getIn()); |
| |
| Object result = dataFormat.unmarshal(exchange, stream); |
| out.setBody(result); |
| } finally { |
| if (stream != null) { |
| stream.close(); |
| } |
| } |
| } |
| |
| public String toString() { |
| return "Unmarshal[" + dataFormat + "]"; |
| } |
| |
| public String getTraceLabel() { |
| return "unmarshal[" + dataFormat + "]"; |
| } |
| |
| public CamelContext getCamelContext() { |
| return camelContext; |
| } |
| |
| public void setCamelContext(CamelContext camelContext) { |
| this.camelContext = camelContext; |
| } |
| |
| @Override |
| protected void doStart() throws Exception { |
| // inject CamelContext on data format |
| if (dataFormat instanceof CamelContextAware) { |
| ((CamelContextAware) dataFormat).setCamelContext(camelContext); |
| } |
| ServiceHelper.startService(dataFormat); |
| } |
| |
| @Override |
| protected void doStop() throws Exception { |
| ServiceHelper.stopService(dataFormat); |
| } |
| |
| } |