001: package org.tigris.scarab.util.xmlissues;
002:
003: /* ================================================================
004: * Copyright (c) 2000-2003 CollabNet. All rights reserved.
005: *
006: * Redistribution and use in source and binary forms, with or without
007: * modification, are permitted provided that the following conditions are
008: * met:
009: *
010: * 1. Redistributions of source code must retain the above copyright
011: * notice, this list of conditions and the following disclaimer.
012: *
013: * 2. Redistributions in binary form must reproduce the above copyright
014: * notice, this list of conditions and the following disclaimer in the
015: * documentation and/or other materials provided with the distribution.
016: *
017: * 3. The end-user documentation included with the redistribution, if
018: * any, must include the following acknowlegement: "This product includes
019: * software developed by CollabNet <http://www.Collab.Net/>."
020: * Alternately, this acknowlegement may appear in the software itself, if
021: * and wherever such third-party acknowlegements normally appear.
022: *
023: * 4. The hosted project names must not be used to endorse or promote
024: * products derived from this software without prior written
025: * permission. For written permission, please contact info@collab.net.
026: *
027: * 5. Products derived from this software may not use the "Tigris" or
028: * "Scarab" names nor may "Tigris" or "Scarab" appear in their names without
029: * prior written permission of CollabNet.
030: *
031: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
032: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
033: * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
034: * IN NO EVENT SHALL COLLAB.NET OR ITS CONTRIBUTORS BE LIABLE FOR ANY
035: * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
036: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
037: * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
038: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
039: * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
040: * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
041: * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
042: *
043: * ====================================================================
044: *
045: * This software consists of voluntary contributions made by many
046: * individuals on behalf of CollabNet.
047: */
048:
049: import java.util.Date;
050: import java.text.ParseException;
051: import java.text.SimpleDateFormat;
052:
053: import org.apache.commons.lang.StringUtils;
054:
055: /**
056: * <p><code>BaseDate</code> is a base class for Modified and Created dates.</p>
057: *
058: * @author <a href="mailto:jon@latchkey.com">Jon Scott Stevens</a>
059: * @author <a href="mailto:dlr@collab.net">Daniel Rall</a>
060: * @version $Id: BaseDate.java 8470 2003-08-12 06:29:37Z parun $
061: */
062: public class BaseDate implements java.io.Serializable {
063: /**
064: * The default date format which we'll try to parse with if a
065: * format is not specified.
066: */
067: private static final String DEFAULT_FORMAT = "yyyy-MM-dd HH:mm:ss z";
068:
069: private String format = null;
070: private String timestamp = null;
071:
072: public void setFormat(String format) {
073: this .format = format;
074: }
075:
076: public String getFormat() {
077: return this .format;
078: }
079:
080: public void setTimestamp(String timestamp) {
081: this .timestamp = timestamp;
082: }
083:
084: public String getTimestamp() {
085: return this .timestamp;
086: }
087:
088: /**
089: * @return The date inferred from the {@link #format} (defaults to
090: * {@link #DEFAULT_FORMAT}) and {@link #timestamp} instance
091: * fields, or <code>null</code> if insufficient information.
092: * @exception ParseException Error parsing {@link #timestamp}
093: * using {@link #format}.
094: */
095: public Date getDate() throws ParseException {
096: Date date = null;
097: String ts = getTimestamp();
098: if (StringUtils.isNotEmpty(ts)) {
099: String format = getFormat();
100: boolean haveFormat = StringUtils.isNotEmpty(format);
101: try {
102: SimpleDateFormat sdf = new SimpleDateFormat(
103: haveFormat ? format : DEFAULT_FORMAT);
104: sdf.setLenient(false);
105: date = sdf.parse(getTimestamp());
106: } catch (ParseException e) {
107: if (haveFormat) {
108: // When a format was explicitly specified,
109: // propogate any parsing problems.
110: throw e;
111: }
112: }
113: }
114: return date;
115: }
116:
117: public String toString() {
118: return "format=" + format + "; timestamp=" + timestamp;
119: }
120: }
|