| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2001 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, if |
| * any, must include the following acknowlegement: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowlegement may appear in the software itself, |
| * if and wherever such third-party acknowlegements normally appear. |
| * |
| * 4. The names "The Jakarta Project", "Ant", and "Apache Software |
| * Foundation" must not be used to endorse or promote products derived |
| * from this software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache" |
| * nor may "Apache" appear in their names without prior written |
| * permission of the Apache Group. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| |
| package org.apache.tools.zip; |
| |
| /** |
| * Utility class that represents a two byte integer with conversion |
| * rules for the big endian byte order of ZIP files. |
| * |
| * @author <a href="mailto:stefan.bodewig@epost.de">Stefan Bodewig</a> |
| * @version $Revision$ |
| */ |
| public class ZipShort implements Cloneable { |
| |
| private int value; |
| |
| /** |
| * Create instance from a number. |
| * |
| * @since 1.1 |
| */ |
| public ZipShort (int value) { |
| this.value = value; |
| } |
| |
| /** |
| * Create instance from bytes. |
| * |
| * @since 1.1 |
| */ |
| public ZipShort (byte[] bytes) { |
| this(bytes, 0); |
| } |
| |
| /** |
| * Create instance from the two bytes starting at offset. |
| * |
| * @since 1.1 |
| */ |
| public ZipShort (byte[] bytes, int offset) { |
| value = (bytes[offset+1] << 8) & 0xFF00; |
| value += (bytes[offset] & 0xFF); |
| } |
| |
| /** |
| * Get value as two bytes in big endian byte order. |
| * |
| * @since 1.1 |
| */ |
| public byte[] getBytes() { |
| byte[] result = new byte[2]; |
| result[0] = (byte) (value & 0xFF); |
| result[1] = (byte) ((value & 0xFF00) >> 8); |
| return result; |
| } |
| |
| /** |
| * Get value as Java int. |
| * |
| * @since 1.1 |
| */ |
| public int getValue() { |
| return value; |
| } |
| |
| /** |
| * Override to make two instances with same value equal. |
| * |
| * @since 1.1 |
| */ |
| public boolean equals(Object o) { |
| if (o == null || !(o instanceof ZipShort)) { |
| return false; |
| } |
| return value == ((ZipShort) o).getValue(); |
| } |
| |
| /** |
| * Override to make two instances with same value equal. |
| * |
| * @since 1.1 |
| */ |
| public int hashCode() { |
| return value; |
| } |
| |
| }// ZipShort |