Zip4jConstants.java

/*
* Copyright 2010 Srikanth Reddy Lingala  
* 
* Licensed 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 net.lingala.zip4j.util;

public interface Zip4jConstants {
	
	// Compression Types
    static final int COMP_STORE = 0;
//    static final int COMP_FILE_SHRUNK = 1;
//    static final int COMP_FILE_RED_COMP_FACTOR_1 = 2;
//    static final int COMP_FILE_RED_COMP_FACTOR_2 = 3;
//    static final int COMP_FILE_RED_COMP_FACTOR_3 = 4;
//    static final int COMP_FILE_RED_COMP_FACTOR_4 = 5;
//    static final int COMP_FILE_IMPLODED = 6;
    static final int COMP_DEFLATE = 8;
//    static final int COMP_FILE_ENHANCED_DEFLATED = 9;
//    static final int COMP_PKWARE_DATA_COMP_LIB_IMPL = 10;
//    static final int COMP_BZIP2 = 12;
//    static final int COMP_LZMA = 14;
//    static final int COMP_IBM_TERSE = 18;
//    static final int COMP_IBM_LZ77 =19;
//    static final int COMP_WAVPACK = 97;
//    static final int COMP_PPMD = 98;
    static final int COMP_AES_ENC = 99;
    
    //Compression level for deflate algorithm
    static final int DEFLATE_LEVEL_FASTEST = 1;
    static final int DEFLATE_LEVEL_FAST = 3;
    static final int DEFLATE_LEVEL_NORMAL = 5;
    static final int DEFLATE_LEVEL_MAXIMUM = 7;
    static final int DEFLATE_LEVEL_ULTRA = 9;
    
    //Encryption types
    static final int ENC_NO_ENCRYPTION = -1;
    static final int ENC_METHOD_STANDARD = 0;
//    static final int ENC_METHOD_STRONG = 1;
    static final int ENC_METHOD_AES = 99;
    
    //AES Key Strength
    static final int AES_STRENGTH_128 = 0x01;
    static final int AES_STRENGTH_192 = 0x02;
    static final int AES_STRENGTH_256 = 0x03;
}