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