1 /**
2 *
3 * Copyright 2003-2006 The Apache Software Foundation
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package javax.mail.internet;
19
20 import java.text.FieldPosition;
21 import java.text.NumberFormat;
22 import java.text.ParsePosition;
23 import java.text.SimpleDateFormat;
24 import java.util.Calendar;
25 import java.util.Date;
26 import java.util.Locale;
27
28 /**
29 * Formats ths date as specified by
30 * draft-ietf-drums-msg-fmt-08 dated January 26, 2000
31 * which supercedes RFC822.
32 * <p/>
33 * <p/>
34 * The format used is <code>EEE, d MMM yyyy HH:mm:ss Z</code> and
35 * locale is always US-ASCII.
36 *
37 * @version $Rev: 421852 $ $Date: 2006-07-14 03:02:19 -0700 (Fri, 14 Jul 2006) $
38 */
39 public class MailDateFormat extends SimpleDateFormat {
40 public MailDateFormat() {
41 super("EEE, d MMM yyyy HH:mm:ss Z", Locale.US);
42 }
43
44 public StringBuffer format(Date date, StringBuffer buffer, FieldPosition position) {
45 return super.format(date, buffer, position);
46 }
47
48 public Date parse(String string, ParsePosition position) {
49 return super.parse(string, position);
50 }
51
52 /**
53 * The calendar cannot be set
54 * @param calendar
55 * @throws UnsupportedOperationException
56 */
57 public void setCalendar(Calendar calendar) {
58 throw new UnsupportedOperationException();
59 }
60
61 /**
62 * The format cannot be set
63 * @param format
64 * @throws UnsupportedOperationException
65 */
66 public void setNumberFormat(NumberFormat format) {
67 throw new UnsupportedOperationException();
68 }
69 }