/**
 * License Agreement.
 *
 * Rich Faces - Natural Ajax for Java Server Faces (JSF)
 *
 * Copyright (C) 2007 Exadel, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License version 2.1 as published by the Free Software Foundation.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
 */
package org.ajax4jsf.util;

public class Zipper {
	public static void zip(byte[] buf, int value, int offset) {
		buf[offset] = (byte)(value & 0x0ff);
		buf[offset+1] = (byte)((value & 0x0ff00)>>8);
		buf[offset+2] = (byte)((value & 0x0ff0000)>>16);
	}
	public static int unzip(byte[] buf, int offset) {
		int r0 = buf[offset]&0x0ff;
		int r1 = (buf[offset+1]<<8)&0x0ff00;
		int r2 = (buf[offset+2]<<16)&0x0ff0000;
		int ret = r0 | r1 | r2;
		return ret;
	}
}
