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.field; 021 022import org.apache.james.mime4j.codec.DecodeMonitor; 023import org.apache.james.mime4j.dom.FieldParser; 024import org.apache.james.mime4j.dom.field.ContentMD5Field; 025import org.apache.james.mime4j.stream.Field; 026 027/** 028 * Represents a <code>Content-MD5</code> field. 029 */ 030public class ContentMD5FieldImpl extends AbstractField implements ContentMD5Field { 031 032 private boolean parsed = false; 033 private String md5raw; 034 035 ContentMD5FieldImpl(Field rawField, DecodeMonitor monitor) { 036 super(rawField, monitor); 037 } 038 039 private void parse() { 040 parsed = true; 041 String body = getBody(); 042 if (body != null) { 043 md5raw = body.trim(); 044 } else { 045 md5raw = null; 046 } 047 } 048 049 public String getMD5Raw() { 050 if (!parsed) { 051 parse(); 052 } 053 return md5raw; 054 } 055 056 public static final FieldParser<ContentMD5Field> PARSER = new FieldParser<ContentMD5Field>() { 057 058 public ContentMD5Field parse(final Field rawField, final DecodeMonitor monitor) { 059 return new ContentMD5FieldImpl(rawField, monitor); 060 } 061 062 }; 063 064} 065