DateTimeFactory.java

/*
 * @(#)$Id: DateTimeFactory.java,v 1.8 2001/06/19 22:42:36 Bear Exp $
 *
 * Copyright 2001 Sun Microsystems, Inc. All Rights Reserved.
 * 
 * This software is the proprietary information of Sun Microsystems, Inc.  
 * Use is subject to license terms.
 * 
 */
package com.sun.msv.datatype.xsd.datetime;

import java.math.BigInteger;
import java.math.BigDecimal;

/**
 * utility functions that creates date/time related objects.
 * 
 * @author Kohsuke KAWAGUCHI
 */
public class DateTimeFactory {
	
	public static IDateTimeValueType createFromDateTime(
		Number year, Integer month, Integer day,
		Integer hour, Integer minute, Number mSecond, TimeZone zone ) {
//		if( year instanceof Integer )
//			return new SmallDateTimeValueType( ... );
		
		BigDecimal second=null;
		
		if( year instanceof Integer )		year = new BigInteger(year.toString());
		
		if( mSecond!=null ) {
			if( mSecond instanceof Integer )	// convert it to second
				second = new BigDecimal(mSecond.toString()).movePointLeft(3);
			else
			if( mSecond instanceof BigDecimal )
				second = ((BigDecimal)mSecond).movePointLeft(3);
			else
				throw new UnsupportedOperationException();
		}
		
		return new BigDateTimeValueType( (BigInteger)year, month, day, hour, minute, second, zone );
	}
	
	public static IDateTimeValueType createFromDate(
		Number year, Integer month, Integer day, TimeZone zone ) {
		return createFromDateTime( year, month, day, null, null, null, zone );
	}
	
	public static IDateTimeValueType createFromTime(
		Integer hour, Integer minute, Number mSecond, TimeZone zone ) {
		return createFromDateTime( null, null, null, hour, minute, mSecond, zone );
	}
}