/*
* Copyright (C) 2000 - 2008 TagServlet Ltd
*
* This file is part of Open BlueDragon (OpenBD) CFML Server Engine.
*
* OpenBD is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* Free Software Foundation,version 3.
*
* OpenBD is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenBD. If not, see http://www.gnu.org/licenses/
*
* Additional permission under GNU GPL version 3 section 7
*
* If you modify this Program, or any covered work, by linking or combining
* it with any of the JARS listed in the README.txt (or a modified version of
* (that library), containing parts covered by the terms of that JAR, the
* licensors of this Program grant you additional permission to convey the
* resulting work.
* README.txt @ http://www.openbluedragon.org/license/README.txt
*
* http://www.openbluedragon.org/
*/
package com.naryx.tagfusion.expression.function;
import java.util.Date;
import java.util.List;
import java.util.TimeZone;
import com.naryx.tagfusion.cfm.engine.cfBooleanData;
import com.naryx.tagfusion.cfm.engine.cfData;
import com.naryx.tagfusion.cfm.engine.cfNumberData;
import com.naryx.tagfusion.cfm.engine.cfSession;
import com.naryx.tagfusion.cfm.engine.cfStructData;
import com.naryx.tagfusion.cfm.engine.cfmRunTimeException;
public class getTimeZoneInfo extends functionBase {
private static final long serialVersionUID = 1L;
public getTimeZoneInfo() {
min = max = 0;
}
public java.util.Map getInfo(){
return makeInfo(
"engine",
"Returns back a structure regarding the current timezone; utctotaloffset, utchouroffset, utcminuteoffset, isdston",
ReturnType.STRUCTURE );
}
public cfData execute(cfSession _session, List<cfData> parameters) throws cfmRunTimeException {
cfStructData timeInfo = new cfStructData();
TimeZone tz = (TimeZone) TimeZone.getDefault().clone();
int dstCompensation = 0;
boolean dst = tz.inDaylightTime(new Date());
if (dst)
dstCompensation = tz.getDSTSavings(); // the # of milliseconds in an hour.
long offset = tz.getRawOffset() + dstCompensation;
offset = offset * -1; // cfmx livedocs for this function mandate that the
// sign be this way (which happens to be opposite of
// what Java does)
long totalOffSet = offset / 1000L;
long hour = offset / (1000L * 60L * 60L);
long minutes = offset / (1000L * 60L);
long partialHourAsMinutes = minutes % 60; // to remove all whole hours
timeInfo.setData("utctotaloffset", new cfNumberData(totalOffSet));
timeInfo.setData("utchouroffset", new cfNumberData(hour));
timeInfo.setData("utcminuteoffset", new cfNumberData(partialHourAsMinutes));
timeInfo.setData("isdston", cfBooleanData.getcfBooleanData(dst));
return timeInfo;
}
}