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.InputStream; 024 025import org.apache.james.mime4j.MimeException; 026 027/** 028 * An interface to build instances of {@link Message} and other DOM elements either without 029 * any content, by copying content of an existing object or by reading content from 030 * an {@link InputStream}. 031 */ 032public interface MessageBuilder { 033 034 Header newHeader(); 035 036 Header newHeader(Header source); 037 038 Multipart newMultipart(String subType); 039 040 Multipart newMultipart(Multipart source); 041 042 Message newMessage(); 043 044 Message newMessage(Message source); 045 046 Header parseHeader(InputStream source) throws MimeException, IOException; 047 048 Message parseMessage(InputStream source) throws MimeException, IOException; 049 050}