org.apache.tools.zip.ZipConstants Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.tools.zip;
/**
* Various constants used throughout the package.
*/
final class ZipConstants {
private ZipConstants() { }
/** Masks last eight bits */
static final int BYTE_MASK = 0xFF;
/** length of a ZipShort in bytes */
static final int SHORT = 2;
/** length of a ZipLong in bytes */
static final int WORD = 4;
/** length of a ZipEightByteInteger in bytes */
static final int DWORD = 8;
/** Initial ZIP specification version */
static final int INITIAL_VERSION = 10;
/** ZIP specification version that introduced data descriptor method */
static final int DATA_DESCRIPTOR_MIN_VERSION = 20;
/** ZIP specification version that introduced ZIP64 */
static final int ZIP64_MIN_VERSION = 45;
/**
* Value stored in two-byte size and similar fields if ZIP64
* extensions are used.
*/
static final int ZIP64_MAGIC_SHORT = 0xFFFF;
/**
* Value stored in four-byte size and similar fields if ZIP64
* extensions are used.
*/
static final long ZIP64_MAGIC = 0xFFFFFFFFL;
}