/*
* 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.Calendar;
import com.naryx.tagfusion.cfm.engine.cfArgStructData;
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.cfmRunTimeException;
public class dateCompare extends functionBase {
private static final long serialVersionUID = 1L;
public dateCompare() {
min = 2;
max = 3;
setNamedParams( new String[]{ "date1", "date2", "datepart" } );
}
public String[] getParamInfo(){
return new String[]{
"date1",
"date2",
"date part ('yyyy' year, 'q' quarter, 'm' month, 'y' day of year,'d' days, 'w' week day, 'ww' week of year, 'h' hours, 'n' minutes, 's' seconds, 'l' milliseconds)",
};
}
public java.util.Map getInfo(){
return makeInfo(
"date",
"Compares to date, to the given optional resolution. Returns -1 if date1 is before date2. Returns 1 if date1 is after date2. Returns 0 if equal",
ReturnType.NUMERIC );
}
public cfData execute(cfSession _session, cfArgStructData argStruct ) throws cfmRunTimeException {
String precision = getNamedStringParam(argStruct, "datepart", "s");
Calendar date1, date2;
date1 = getNamedParam(argStruct, "date1").getDateData().getCalendar();
date2 = getNamedParam(argStruct, "date2").getDateData().getCalendar();
precision = precision.toLowerCase();
date1.set(Calendar.MILLISECOND, 0);
date2.set(Calendar.MILLISECOND, 0);
// --[ Check the precision
if (precision.equals("n")) {
date1.set(Calendar.SECOND, 0);
date2.set(Calendar.SECOND, 0);
} else if (precision.equals("h")) {
date1.set(Calendar.SECOND, 0);
date2.set(Calendar.SECOND, 0);
date1.set(Calendar.MINUTE, 0);
date2.set(Calendar.MINUTE, 0);
} else if (precision.equals("d")) {
date1.set(Calendar.SECOND, 0);
date2.set(Calendar.SECOND, 0);
date1.set(Calendar.MINUTE, 0);
date2.set(Calendar.MINUTE, 0);
date1.set(Calendar.HOUR, 0);
date2.set(Calendar.HOUR, 0);
date1.set(Calendar.HOUR_OF_DAY, 0);
date2.set(Calendar.HOUR_OF_DAY, 0);
} else if (precision.equals("m")) {
date1.set(Calendar.SECOND, 0);
date2.set(Calendar.SECOND, 0);
date1.set(Calendar.MINUTE, 0);
date2.set(Calendar.MINUTE, 0);
date1.set(Calendar.HOUR, 0);
date2.set(Calendar.HOUR, 0);
date1.set(Calendar.HOUR_OF_DAY, 0);
date2.set(Calendar.HOUR_OF_DAY, 0);
date1.set(Calendar.DAY_OF_MONTH, 1);
date2.set(Calendar.DAY_OF_MONTH, 1);
} else if (precision.equals("yyyy")) {
date1.set(Calendar.SECOND, 0);
date2.set(Calendar.SECOND, 0);
date1.set(Calendar.MINUTE, 0);
date2.set(Calendar.MINUTE, 0);
date1.set(Calendar.HOUR, 0);
date2.set(Calendar.HOUR, 0);
date1.set(Calendar.HOUR_OF_DAY, 0);
date2.set(Calendar.HOUR_OF_DAY, 0);
date1.set(Calendar.DAY_OF_MONTH, 1);
date2.set(Calendar.DAY_OF_MONTH, 1);
date1.set(Calendar.MONTH, 1);
date2.set(Calendar.MONTH, 1);
}
date1.getTime();
date2.getTime();
if (date1.equals(date2))
return new cfNumberData(0);
else if (date1.after(date2))
return new cfNumberData(1);
else
return new cfNumberData(-1);
}
}