1 | /**************************************************************** |
---|
2 | * Licensed to the Apache Software Foundation (ASF) under one * |
---|
3 | * or more contributor license agreements. See the NOTICE file * |
---|
4 | * distributed with this work for additional information * |
---|
5 | * regarding copyright ownership. The ASF licenses this file * |
---|
6 | * to you under the Apache License, Version 2.0 (the * |
---|
7 | * "License"); you may not use this file except in compliance * |
---|
8 | * with the License. You may obtain a copy of the License at * |
---|
9 | * * |
---|
10 | * http://www.apache.org/licenses/LICENSE-2.0 * |
---|
11 | * * |
---|
12 | * Unless required by applicable law or agreed to in writing, * |
---|
13 | * software distributed under the License is distributed on an * |
---|
14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * |
---|
15 | * KIND, either express or implied. See the License for the * |
---|
16 | * specific language governing permissions and limitations * |
---|
17 | * under the License. * |
---|
18 | ****************************************************************/ |
---|
19 | |
---|
20 | package org.apache.james.mime4j.field; |
---|
21 | |
---|
22 | import java.io.StringReader; |
---|
23 | import java.util.Date; |
---|
24 | |
---|
25 | import org.apache.james.mime4j.codec.DecodeMonitor; |
---|
26 | import org.apache.james.mime4j.field.datetime.parser.DateTimeParser; |
---|
27 | import org.apache.james.mime4j.field.datetime.parser.ParseException; |
---|
28 | import org.apache.james.mime4j.field.datetime.parser.TokenMgrError; |
---|
29 | import org.apache.james.mime4j.util.ByteSequence; |
---|
30 | |
---|
31 | /** |
---|
32 | * Date-time field such as <code>Date</code> or <code>Resent-Date</code>. |
---|
33 | */ |
---|
34 | public class DateTimeFieldImpl extends AbstractField implements org.apache.james.mime4j.dom.field.DateTimeField { |
---|
35 | private boolean parsed = false; |
---|
36 | |
---|
37 | private Date date; |
---|
38 | private ParseException parseException; |
---|
39 | |
---|
40 | DateTimeFieldImpl(String name, String body, ByteSequence raw, DecodeMonitor monitor) { |
---|
41 | super(name, body, raw, monitor); |
---|
42 | } |
---|
43 | |
---|
44 | /** |
---|
45 | * @see org.apache.james.mime4j.dom.field.DateTimeField#getDate() |
---|
46 | */ |
---|
47 | public Date getDate() { |
---|
48 | if (!parsed) |
---|
49 | parse(); |
---|
50 | |
---|
51 | return date; |
---|
52 | } |
---|
53 | |
---|
54 | /** |
---|
55 | * @see org.apache.james.mime4j.dom.field.DateTimeField#getParseException() |
---|
56 | */ |
---|
57 | @Override |
---|
58 | public ParseException getParseException() { |
---|
59 | if (!parsed) |
---|
60 | parse(); |
---|
61 | |
---|
62 | return parseException; |
---|
63 | } |
---|
64 | |
---|
65 | private void parse() { |
---|
66 | String body = getBody(); |
---|
67 | |
---|
68 | try { |
---|
69 | date = new DateTimeParser(new StringReader(body)).parseAll() |
---|
70 | .getDate(); |
---|
71 | } catch (ParseException e) { |
---|
72 | parseException = e; |
---|
73 | } catch (TokenMgrError e) { |
---|
74 | parseException = new ParseException(e.getMessage()); |
---|
75 | } |
---|
76 | |
---|
77 | parsed = true; |
---|
78 | } |
---|
79 | |
---|
80 | static final FieldParser<DateTimeFieldImpl> PARSER = new FieldParser<DateTimeFieldImpl>() { |
---|
81 | public DateTimeFieldImpl parse(final String name, final String body, |
---|
82 | final ByteSequence raw, DecodeMonitor monitor) { |
---|
83 | return new DateTimeFieldImpl(name, body, raw, monitor); |
---|
84 | } |
---|
85 | }; |
---|
86 | } |
---|