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 ****************************************************************/ 019 020 package org.apache.james.mime4j.field; 021 022 import org.apache.james.mime4j.codec.DecoderUtil; 023 import org.apache.james.mime4j.util.ByteSequence; 024 025 /** 026 * Simple unstructured field such as <code>Subject</code>. 027 */ 028 public class UnstructuredField extends AbstractField { 029 private boolean parsed = false; 030 031 private String value; 032 033 UnstructuredField(String name, String body, ByteSequence raw) { 034 super(name, body, raw); 035 } 036 037 public String getValue() { 038 if (!parsed) 039 parse(); 040 041 return value; 042 } 043 044 private void parse() { 045 String body = getBody(); 046 047 value = DecoderUtil.decodeEncodedWords(body); 048 049 parsed = true; 050 } 051 052 static final FieldParser PARSER = new FieldParser() { 053 public ParsedField parse(final String name, final String body, 054 final ByteSequence raw) { 055 return new UnstructuredField(name, body, raw); 056 } 057 }; 058 }