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.commons.logging.Log; 023 import org.apache.commons.logging.LogFactory; 024 import org.apache.james.mime4j.field.address.AddressList; 025 import org.apache.james.mime4j.field.address.parser.ParseException; 026 import org.apache.james.mime4j.util.ByteSequence; 027 028 /** 029 * Address list field such as <code>To</code> or <code>Reply-To</code>. 030 */ 031 public class AddressListField extends AbstractField { 032 private static Log log = LogFactory.getLog(AddressListField.class); 033 034 private boolean parsed = false; 035 036 private AddressList addressList; 037 private ParseException parseException; 038 039 AddressListField(String name, String body, ByteSequence raw) { 040 super(name, body, raw); 041 } 042 043 public AddressList getAddressList() { 044 if (!parsed) 045 parse(); 046 047 return addressList; 048 } 049 050 @Override 051 public ParseException getParseException() { 052 if (!parsed) 053 parse(); 054 055 return parseException; 056 } 057 058 private void parse() { 059 String body = getBody(); 060 061 try { 062 addressList = AddressList.parse(body); 063 } catch (ParseException e) { 064 if (log.isDebugEnabled()) { 065 log.debug("Parsing value '" + body + "': " + e.getMessage()); 066 } 067 parseException = e; 068 } 069 070 parsed = true; 071 } 072 073 static final FieldParser PARSER = new FieldParser() { 074 public ParsedField parse(final String name, final String body, 075 final ByteSequence raw) { 076 return new AddressListField(name, body, raw); 077 } 078 }; 079 }