001/****************************************************************
002 * Licensed to the Apache Software Foundation (ASF) under one   *
003 * or more contributor license agreements.  See the NOTICE file *
004 * distributed with this work for additional information        *
005 * regarding copyright ownership.  The ASF licenses this file   *
006 * to you under the Apache License, Version 2.0 (the            *
007 * "License"); you may not use this file except in compliance   *
008 * with the License.  You may obtain a copy of the License at   *
009 *                                                              *
010 *   http://www.apache.org/licenses/LICENSE-2.0                 *
011 *                                                              *
012 * Unless required by applicable law or agreed to in writing,   *
013 * software distributed under the License is distributed on an  *
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY       *
015 * KIND, either express or implied.  See the License for the    *
016 * specific language governing permissions and limitations      *
017 * under the License.                                           *
018 ****************************************************************/
019
020package org.apache.james.mime4j.dom;
021
022import java.io.IOException;
023import java.io.OutputStream;
024
025import org.apache.james.mime4j.stream.Field;
026
027/**
028 * An interface to write out content of {@link Message} and other DOM elements to
029 * an {@link OutputStream}.
030 */
031public interface MessageWriter {
032
033    void writeMessage(Message message, OutputStream out) throws IOException;
034
035    void writeBody(Body body, OutputStream out) throws IOException;
036
037    void writeEntity(Entity entity, OutputStream out) throws IOException;
038
039    void writeMultipart(Multipart multipart, OutputStream out) throws IOException;
040
041    void writeField(Field field, OutputStream out) throws IOException;
042
043    void writeHeader(Header header, OutputStream out) throws IOException;
044
045}