/*
* 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 datePart extends functionBase {
private static final long serialVersionUID = 1L;
public datePart() {
min = max = 2;
setNamedParams( new String[]{ "datepart", "date" } );
}
public String[] getParamInfo(){
return new String[]{
"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)",
"date"
};
}
public java.util.Map getInfo(){
return makeInfo(
"date",
"Extracts the given date part from the date object",
ReturnType.NUMERIC );
}
public cfData execute(cfSession _session, cfArgStructData argStruct ) throws cfmRunTimeException {
Calendar c = getNamedParam( argStruct, "date" ).getDateData().getCalendar();
String dateP = getNamedStringParam( argStruct, "datepart", null ).toLowerCase();
int result = 0;
// --[ get the part of the date based on the input parameter
if (dateP.equals("yyyy")) {
result = c.get(Calendar.YEAR);
} else if (dateP.equals("q")) {
result = calculateQuarter(c);
} else if (dateP.equals("m")) {
result = (c.get(Calendar.MONTH) + 1);
} else if (dateP.equals("y")) {
result = c.get(Calendar.DAY_OF_YEAR);
} else if (dateP.equals("d")) {
result = c.get(Calendar.DAY_OF_MONTH);
} else if (dateP.equals("w")) {
result = c.get(Calendar.DAY_OF_WEEK);
} else if (dateP.equals("ww")) {
result = c.get(Calendar.WEEK_OF_YEAR);
} else if (dateP.equals("h")) {
result = c.get(Calendar.HOUR);
if (c.get(Calendar.AM_PM) == 1) {
result += 12;
}
} else if (dateP.equals("n")) {
result = c.get(Calendar.MINUTE);
} else if (dateP.equals("s")) {
result = c.get(Calendar.SECOND);
} else if (dateP.equals("l")) {
result = c.get(Calendar.MILLISECOND);
}
return new cfNumberData(result);
}
private static int calculateQuarter(Calendar _c) {
if ((_c.get(Calendar.MONTH) + 1) <= 3)
return 1;
else if ((_c.get(Calendar.MONTH) + 1) > 3 && (_c.get(Calendar.MONTH) + 1) <= 6)
return 2;
else if ((_c.get(Calendar.MONTH) + 1) > 6 && (_c.get(Calendar.MONTH) + 1) <= 9)
return 3;
else if ((_c.get(Calendar.MONTH) + 1) > 9 && (_c.get(Calendar.MONTH) + 1) <= 12)
return 4;
else
return 0;
}
}