001: /*
002: The contents of this file are subject to the Common Public Attribution License
003: Version 1.0 (the "License"); you may not use this file except in compliance with
004: the License. You may obtain a copy of the License at
005: http://www.projity.com/license . The License is based on the Mozilla Public
006: License Version 1.1 but Sections 14 and 15 have been added to cover use of
007: software over a computer network and provide for limited attribution for the
008: Original Developer. In addition, Exhibit A has been modified to be consistent
009: with Exhibit B.
010:
011: Software distributed under the License is distributed on an "AS IS" basis,
012: WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the
013: specific language governing rights and limitations under the License. The
014: Original Code is OpenProj. The Original Developer is the Initial Developer and
015: is Projity, Inc. All portions of the code written by Projity are Copyright (c)
016: 2006, 2007. All Rights Reserved. Contributors Projity, Inc.
017:
018: Alternatively, the contents of this file may be used under the terms of the
019: Projity End-User License Agreeement (the Projity License), in which case the
020: provisions of the Projity License are applicable instead of those above. If you
021: wish to allow use of your version of this file only under the terms of the
022: Projity License and not to allow others to use your version of this file under
023: the CPAL, indicate your decision by deleting the provisions above and replace
024: them with the notice and other provisions required by the Projity License. If
025: you do not delete the provisions above, a recipient may use your version of this
026: file under either the CPAL or the Projity License.
027:
028: [NOTE: The text of this license may differ slightly from the text of the notices
029: in Exhibits A and B of the license at http://www.projity.com/license. You should
030: use the latest text at http://www.projity.com/license for your modifications.
031: You may not remove this license text from the source files.]
032:
033: Attribution Information: Attribution Copyright Notice: Copyright © 2006, 2007
034: Projity, Inc. Attribution Phrase (not exceeding 10 words): Powered by OpenProj,
035: an open source solution from Projity. Attribution URL: http://www.projity.com
036: Graphic Image as provided in the Covered Code as file: openproj_logo.png with
037: alternatives listed on http://www.projity.com/logo
038:
039: Display of Attribution Information is required in Larger Works which are defined
040: in the CPAL as a work which combines Covered Code or portions thereof with code
041: not governed by the terms of the CPAL. However, in addition to the other notice
042: obligations, all copies of the Covered Code in Executable and Source Code form
043: distributed must, as a form of attribution of the original author, include on
044: each user interface screen the "OpenProj" logo visible to all users. The
045: OpenProj logo should be located horizontally aligned with the menu bar and left
046: justified on the top left of the screen adjacent to the File menu. The logo
047: must be at least 100 x 25 pixels. When users click on the "OpenProj" logo it
048: must direct them back to http://www.projity.com.
049: */
050: package com.projity.util;
051:
052: import java.text.DateFormat;
053: import java.text.FieldPosition;
054: import java.text.ParsePosition;
055: import java.text.SimpleDateFormat;
056: import java.util.Date;
057:
058: import org.apache.commons.lang.time.DateUtils;
059:
060: import com.projity.strings.Messages;
061:
062: /**
063: *
064: */
065: public class SpecialDateFormat extends SimpleDateFormat {
066: private static final String NO_END = Messages
067: .getString("Date.NoEnd");
068: private static final String NO_START = Messages
069: .getString("Date.NoStart");
070:
071: public static String DATE_FORMAT = "EEE MM/dd/yy H:mm";
072:
073: private static DateFormat instance = null;
074: private static DateFormat defaultInstance = DateFormat
075: .getDateTimeInstance(DateFormat.MEDIUM, DateFormat.SHORT);
076:
077: public static DateFormat getSpecialInstance() {
078: if (instance == null) {
079: instance = new SpecialDateFormat();
080: instance.setTimeZone(DateUtils.UTC_TIME_ZONE);
081: defaultInstance.setTimeZone(DateUtils.UTC_TIME_ZONE);
082: }
083: return instance;
084: }
085:
086: protected SpecialDateFormat() {
087: super (DATE_FORMAT);
088: }
089:
090: public StringBuffer format(Date date, StringBuffer arg1,
091: FieldPosition arg2) {
092: if (date.equals(DateTime.getMaxDate())) {
093: arg1.append(NO_END);
094: return arg1;
095: } else if (date.equals(DateTime.NA_TIME)) {
096: arg1.append(NO_START);
097: return arg1;
098: }
099: return defaultInstance.format(date, arg1, arg2);
100: // return super.format(date, arg1, arg2);
101: }
102:
103: public Date parse(String arg0, ParsePosition arg1) {
104: if (arg0.equals(NO_END))
105: return DateTime.getMaxDate();
106: else if (arg0.equals(NO_START))
107: return DateTime.NA_TIME;
108: return defaultInstance.parse(arg0, arg1);
109: // return super.parse(arg0, arg1);
110: }
111:
112: }
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