/**
* Copyright (c) 2005-2007 Intalio inc.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Intalio inc. - initial API and implementation
*/
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.intalio.tempo.workflow.util.xml;
import java.math.BigDecimal;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.SimpleTimeZone;
import java.util.TimeZone;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* Calendar capable for parsing/outputing xsd:dateTime strings, of form CCYY-MM-DDThh:mm:ss.ss
*/
public class XsdDateTime extends GregorianCalendar {
private static final long serialVersionUID = 4394008655499855392L;
static final int YEAR_MG = 1;
static final int MONTH_MG = 2;
static final int DAY_MG = 3;
static final int HOUR_MG = 4;
static final int MIN_MG = 5;
static final int SEC_MG = 6;
static final int TZ_MG = 7;
static final int TZ_SIGN = 8;
static final int TZ_HOUR_MG = 9;
static final int TZ_MIN_MG = 10;
static final Pattern PATTERN = Pattern
.compile("(\\d{4})-(\\d{2})-(\\d{2})T(\\d{2}):(\\d{2}):(\\d{2}\\.?\\d*)(Z|(\\+|-)(\\d{2}):(\\d{2}))");
public XsdDateTime(long time) {
setTimeInMillis(time);
}
public XsdDateTime(Date date) {
setTimeInMillis(date.getTime());
}
public XsdDateTime(String dateTime) {
Matcher m = PATTERN.matcher(dateTime);
if (m.matches()) {
set(Integer.valueOf(m.group(YEAR_MG)),
//the following line has been modified by JAG to remove 1 as
//the month shown in the UI is one month later than it should be\
//See bug WF-619
Integer.valueOf(m.group(MONTH_MG))-1,
Integer.valueOf(m.group(DAY_MG)), Integer.valueOf(m.group(HOUR_MG)), Integer.valueOf(m
.group(MIN_MG)));
BigDecimal sec = new BigDecimal(m.group(SEC_MG));
set(SECOND, sec.intValue());
BigDecimal fraction = sec.subtract(sec.setScale(0, BigDecimal.ROUND_DOWN));
int millisec = fraction.movePointRight(3).intValue();
set(Calendar.MILLISECOND, millisec);
String tz = m.group(TZ_MG);
if ("Z".equals(tz)) {
setTimeZone(TimeZone.getTimeZone("GMT"));
} else {
int hr = Integer.valueOf(m.group(TZ_HOUR_MG));
int min = Integer.valueOf(m.group(TZ_MIN_MG));
boolean plus = "+".equals(m.group(TZ_SIGN));
setTimeZone(new SimpleTimeZone((hr * 60 + min) * (plus ? 1 : -1) * 60 * 1000, ""));
}
} else {
throw new IllegalArgumentException("Bad dateTime: " + dateTime);
}
}
public String toString() {
StringBuffer sb = new StringBuffer(64);
sb.append(Integer.toString(get(Calendar.YEAR)));
sb.append('-');
//the following line has been modified by JAG to add 1 as
//the month shown in the UI is one month later than it should be
//See bug WF-619
formatNumber(sb, get(Calendar.MONTH)+1, 2);
sb.append('-');
formatNumber(sb, get(Calendar.DAY_OF_MONTH), 2);
sb.append('T');
formatNumber(sb, get(Calendar.HOUR_OF_DAY), 2);
sb.append(':');
formatNumber(sb, get(Calendar.MINUTE), 2);
sb.append(':');
formatNumber(sb, get(Calendar.SECOND), 2);
int ms = get(Calendar.MILLISECOND);
if (ms > 0) {
String str = Double.toString(ms / 1000d);
for (int i = 0; i < str.length(); ++i) {
if (str.charAt(0) == '.')
break;
str = str.substring(1);
}
sb.append(str);
}
int offsetInMinutes = (get(Calendar.ZONE_OFFSET) + get(Calendar.DST_OFFSET)) / (60 * 1000);
if (offsetInMinutes == 0) {
sb.append('Z');
} else {
if (offsetInMinutes < 0) {
sb.append('-');
offsetInMinutes *= -1;
} else {
sb.append('+');
}
formatNumber(sb, offsetInMinutes / 60, 2);
sb.append(':');
formatNumber(sb, offsetInMinutes % 60, 2);
}
return sb.toString();
}
private static void formatNumber(StringBuffer sb, int num, int digits) {
String s = Integer.toString(num);
for (int i = s.length(); i < digits; ++i) {
sb.append('0');
}
sb.append(s);
}
}