001 /** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 package org.apache.camel.spi; 018 019 import java.io.InputStream; 020 import java.io.OutputStream; 021 022 import org.apache.camel.Exchange; 023 024 /** 025 * Represents a 026 * <a href="http://activemq.apache.org/camel/data-format.html">data format</a> 027 * used to marshal objects to and from streams 028 * such as Java Serialization or using JAXB2 to encode/decode objects using XML 029 * or using SOAP encoding. 030 * 031 * @version $Revision: 36321 $ 032 */ 033 public interface DataFormat { 034 035 /** 036 * Marshals the object to the given Stream. 037 */ 038 void marshal(Exchange exchange, Object graph, OutputStream stream) throws Exception; 039 040 /** 041 * Unmarshals the given stream into an object. 042 */ 043 Object unmarshal(Exchange exchange, InputStream stream) throws Exception; 044 }