SetMonth.java

package lucee.runtime.functions.dateTime;

import java.util.TimeZone;

import lucee.commons.date.DateTimeUtil;
import lucee.runtime.PageContext;
import lucee.runtime.exp.FunctionException;
import lucee.runtime.exp.PageException;
import lucee.runtime.ext.function.BIF;
import lucee.runtime.op.Caster;
import lucee.runtime.type.dt.DateTime;

public class SetMonth extends BIF {

	private static final long serialVersionUID = 4327734406273363858L;

	public static DateTime call(PageContext pc , DateTime date, double value) {
		return _call(date, (int)value, pc.getTimeZone());
	}
	
	public static DateTime call(PageContext pc , DateTime date, double value, TimeZone tz) {
		return _call(date, (int)value, tz==null?pc.getTimeZone():tz);
	}

	@Override
	public Object invoke(PageContext pc, Object[] args) throws PageException {
		if(args.length<2 || args.length>3) throw new FunctionException(pc, "SetMonth", 2, 3, args.length);
		
		TimeZone tz=args.length==3?Caster.toTimeZone(args[2],pc.getTimeZone()):pc.getTimeZone();
		return _call(Caster.toDate(args[0], tz), Caster.toIntValue(args[1]), tz);
		
	}
	
	private static DateTime _call(DateTime date,int value, TimeZone tz) {
		DateTimeUtil.getInstance().setMonth(tz, date,value);
		return date;
	}
	
}