001 //$HeadURL: svn+ssh://jwilden@svn.wald.intevation.org/deegree/base/branches/2.5_testing/src/org/deegree/framework/util/TimeTools2.java $
002 /*----------------------------------------------------------------------------
003 This file is part of deegree, http://deegree.org/
004 Copyright (C) 2001-2009 by:
005 Department of Geography, University of Bonn
006 and
007 lat/lon GmbH
008
009 This library is free software; you can redistribute it and/or modify it under
010 the terms of the GNU Lesser General Public License as published by the Free
011 Software Foundation; either version 2.1 of the License, or (at your option)
012 any later version.
013 This library is distributed in the hope that it will be useful, but WITHOUT
014 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
015 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
016 details.
017 You should have received a copy of the GNU Lesser General Public License
018 along with this library; if not, write to the Free Software Foundation, Inc.,
019 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
020
021 Contact information:
022
023 lat/lon GmbH
024 Aennchenstr. 19, 53177 Bonn
025 Germany
026 http://lat-lon.de/
027
028 Department of Geography, University of Bonn
029 Prof. Dr. Klaus Greve
030 Postfach 1147, 53001 Bonn
031 Germany
032 http://www.geographie.uni-bonn.de/deegree/
033
034 e-mail: info@deegree.org
035 ----------------------------------------------------------------------------*/
036 package org.deegree.framework.util;
037
038 import static org.deegree.framework.log.LoggerFactory.getLogger;
039 import static org.deegree.framework.util.DateUtil.parseISO8601Date;
040
041 import java.text.ParseException;
042 import java.text.SimpleDateFormat;
043 import java.util.Calendar;
044 import java.util.Date;
045 import java.util.TimeZone;
046
047 import org.deegree.framework.log.ILogger;
048
049 /**
050 * The <code>TimeTools2</code> class can be used to format Strings to timecodes and get Calenadars of a given Timecode.
051 * This variant can be used to properly handle time zones.
052 *
053 * <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
054 *
055 * @author last edited by: $Author: mschneider $
056 *
057 * @version $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18 Jun 2009) $
058 */
059
060 public class TimeTools2 {
061
062 private static final ILogger LOG = getLogger( TimeTools2.class );
063
064 /**
065 * @return the current timestamp in ISO format
066 */
067 public static String getISOFormattedTime() {
068 return getISOFormattedTime( new Date( System.currentTimeMillis() ) );
069 }
070
071 /**
072 * returns the date calendar in ISO format
073 *
074 * @param date
075 * @return the date calendar in ISO format
076 */
077 public static String getISOFormattedTime( Date date ) {
078 // SimpleDateFormat is not threadsafe, so create a new for each call
079 SimpleDateFormat sdf = new SimpleDateFormat( "yyyy-MM-dd'T'HH:mm:ss'Z'" );
080 sdf.setTimeZone( TimeZone.getTimeZone( "GMT" ) );
081 return sdf.format( date );
082 }
083
084 /**
085 *
086 * @param cal
087 * a Calendar to get the timevalues of
088 * @return the passed calendar in ISO format
089 */
090 public static String getISOFormattedTime( Calendar cal ) {
091 return getISOFormattedTime( cal.getTime() );
092 }
093
094 /**
095 *
096 * @param isoDate
097 * an ISO timestamp-> year-mon-dayThours:min:sec
098 * @return an instance of a <code>GregorianCalendar</tt> from an ISO timestamp
099 * @throws NumberFormatException
100 * if the parsted values of the given String are no proper numbers.
101 */
102 public static Calendar createCalendar( String isoDate )
103 throws NumberFormatException {
104 try {
105 return parseISO8601Date( isoDate );
106 } catch ( ParseException e ) {
107 LOG.logError( "A date value could not be parsed, probably not in ISO8601 format", e );
108 }
109 return null;
110 }
111
112 }