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 java.util.Collections; 023 024import org.apache.james.mime4j.codec.DecodeMonitor; 025import org.apache.james.mime4j.dom.FieldParser; 026import org.apache.james.mime4j.dom.address.AddressList; 027import org.apache.james.mime4j.dom.address.Mailbox; 028import org.apache.james.mime4j.dom.field.AddressListField; 029import org.apache.james.mime4j.field.address.LenientAddressBuilder; 030import org.apache.james.mime4j.stream.Field; 031import org.apache.james.mime4j.stream.ParserCursor; 032import org.apache.james.mime4j.stream.RawField; 033import org.apache.james.mime4j.util.ByteSequence; 034import org.apache.james.mime4j.util.ContentUtil; 035 036/** 037 * Address list field such as <code>To</code> or <code>Reply-To</code>. 038 */ 039public class AddressListFieldLenientImpl extends AbstractField implements AddressListField { 040 041 private boolean parsed = false; 042 043 private AddressList addressList; 044 045 AddressListFieldLenientImpl(final Field rawField, final DecodeMonitor monitor) { 046 super(rawField, monitor); 047 } 048 049 public AddressList getAddressList() { 050 if (!parsed) 051 parse(); 052 053 return addressList; 054 } 055 056 private void parse() { 057 parsed = true; 058 RawField f = getRawField(); 059 ByteSequence buf = f.getRaw(); 060 int pos = f.getDelimiterIdx() + 1; 061 if (buf == null) { 062 String body = f.getBody(); 063 if (body == null) { 064 addressList = new AddressList(Collections.<Mailbox>emptyList(), true); 065 return; 066 } 067 buf = ContentUtil.encode(body); 068 pos = 0; 069 } 070 ParserCursor cursor = new ParserCursor(pos, buf.length()); 071 addressList = LenientAddressBuilder.DEFAULT.parseAddressList(buf, cursor); 072 } 073 074 public static final FieldParser<AddressListField> PARSER = new FieldParser<AddressListField>() { 075 076 public AddressListField parse(final Field rawField, final DecodeMonitor monitor) { 077 return new AddressListFieldLenientImpl(rawField, monitor); 078 } 079 080 }; 081 082}