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.DecodeMonitor;
023 import org.apache.james.mime4j.dom.FieldParser;
024 import org.apache.james.mime4j.dom.address.AddressList;
025 import org.apache.james.mime4j.dom.field.AddressListField;
026 import org.apache.james.mime4j.field.address.AddressBuilder;
027 import org.apache.james.mime4j.field.address.ParseException;
028 import org.apache.james.mime4j.stream.Field;
029
030 /**
031 * Address list field such as <code>To</code> or <code>Reply-To</code>.
032 */
033 public class AddressListFieldImpl extends AbstractField implements AddressListField {
034
035 private boolean parsed = false;
036
037 private AddressList addressList;
038 private ParseException parseException;
039
040 AddressListFieldImpl(Field rawField, DecodeMonitor monitor) {
041 super(rawField, monitor);
042 }
043
044 /**
045 * @see org.apache.james.mime4j.dom.field.AddressListField#getAddressList()
046 */
047 public AddressList getAddressList() {
048 if (!parsed)
049 parse();
050
051 return addressList;
052 }
053
054 /**
055 * @see org.apache.james.mime4j.dom.field.AddressListField#getParseException()
056 */
057 @Override
058 public ParseException getParseException() {
059 if (!parsed)
060 parse();
061
062 return parseException;
063 }
064
065 private void parse() {
066 String body = getBody();
067
068 try {
069 addressList = AddressBuilder.DEFAULT.parseAddressList(body, monitor);
070 } catch (ParseException e) {
071 parseException = e;
072 }
073
074 parsed = true;
075 }
076
077 public static final FieldParser<AddressListField> PARSER = new FieldParser<AddressListField>() {
078
079 public AddressListField parse(final Field rawField, final DecodeMonitor monitor) {
080 return new AddressListFieldImpl(rawField, monitor);
081 }
082
083 };
084 }