classconstants.java

ProGuard 是一个免费的 Java类文件的压缩

/*
 * ProGuard -- shrinking, optimization, obfuscation, and preverification
 *             of Java bytecode.
 *
 * Copyright (c) 2002-2003 Eric Lafortune ([e-mail])
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 2 of the License, or (at your option)
 * any later version.
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */
package proguard.classfile;

import proguard.classfile.util.ClassUtil;


/**
 * Constants used in representing a Java class (*.class).
 *
 * @author Eric Lafortune
 */
public interface ClassConstants
{
    public static final String CLASS_FILE_EXTENSION = ".class";

    public static final int MAGIC = 0xCAFEBABE;

    public static final int INTERNAL_CLASS_VERSION_1_0_MAJOR = 45;
    public static final int INTERNAL_CLASS_VERSION_1_0_MINOR = 3;
    public static final int INTERNAL_CLASS_VERSION_1_2_MAJOR = 46;
    public static final int INTERNAL_CLASS_VERSION_1_2_MINOR = 0;
    public static final int INTERNAL_CLASS_VERSION_1_3_MAJOR = 47;
    public static final int INTERNAL_CLASS_VERSION_1_3_MINOR = 0;
    public static final int INTERNAL_CLASS_VERSION_1_4_MAJOR = 48;
    public static final int INTERNAL_CLASS_VERSION_1_4_MINOR = 0;
    public static final int INTERNAL_CLASS_VERSION_1_5_MAJOR = 49;
    public static final int INTERNAL_CLASS_VERSION_1_5_MINOR = 0;
    public static final int INTERNAL_CLASS_VERSION_1_6_MAJOR = 50;
    public static final int INTERNAL_CLASS_VERSION_1_6_MINOR = 0;

    public static final int INTERNAL_CLASS_VERSION_1_0 = (INTERNAL_CLASS_VERSION_1_0_MAJOR << 16) | INTERNAL_CLASS_VERSION_1_0_MINOR;
    public static final int INTERNAL_CLASS_VERSION_1_2 = (INTERNAL_CLASS_VERSION_1_2_MAJOR << 16) | INTERNAL_CLASS_VERSION_1_2_MINOR;
    public static final int INTERNAL_CLASS_VERSION_1_3 = (INTERNAL_CLASS_VERSION_1_3_MAJOR << 16) | INTERNAL_CLASS_VERSION_1_3_MINOR;
    public static final int INTERNAL_CLASS_VERSION_1_4 = (INTERNAL_CLASS_VERSION_1_4_MAJOR << 16) | INTERNAL_CLASS_VERSION_1_4_MINOR;
    public static final int INTERNAL_CLASS_VERSION_1_5 = (INTERNAL_CLASS_VERSION_1_5_MAJOR << 16) | INTERNAL_CLASS_VERSION_1_5_MINOR;
    public static final int INTERNAL_CLASS_VERSION_1_6 = (INTERNAL_CLASS_VERSION_1_6_MAJOR << 16) | INTERNAL_CLASS_VERSION_1_6_MINOR;

    public static final String EXTERNAL_CLASS_VERSION_1_0       = "1.0";
    public static final String EXTERNAL_CLASS_VERSION_1_1       = "1.1";
    public static final String EXTERNAL_CLASS_VERSION_1_2       = "1.2";
    public static final String EXTERNAL_CLASS_VERSION_1_3       = "1.3";
    public static final String EXTERNAL_CLASS_VERSION_1_4       = "1.4";
    public static final String EXTERNAL_CLASS_VERSION_1_5       = "1.5";
    public static final String EXTERNAL_CLASS_VERSION_1_6       = "1.6";
    public static final String EXTERNAL_CLASS_VERSION_1_5_ALIAS = "5";
    public static final String EXTERNAL_CLASS_VERSION_1_6_ALIAS = "6";

    public static final int INTERNAL_ACC_PUBLIC       = 0x0001;
    public static final int INTERNAL_ACC_PRIVATE      = 0x0002;
    public static final int INTERNAL_ACC_PROTECTED    = 0x0004;
    public static final int INTERNAL_ACC_STATIC       = 0x0008;
    public static final int INTERNAL_ACC_FINAL        = 0x0010;
    public static final int INTERNAL_ACC_SUPER        = 0x0020;
    public static final int INTERNAL_ACC_SYNCHRONIZED = 0x0020;
    public static final int INTERNAL_ACC_VOLATILE     = 0x0040;
    public static final int INTERNAL_ACC_TRANSIENT    = 0x0080;
    public static final int INTERNAL_ACC_BRIDGE       = 0x0040;
    public static final int INTERNAL_ACC_VARARGS      = 0x0080;
    public static final int INTERNAL_ACC_NATIVE       = 0x0100;
    public static final int INTERNAL_ACC_INTERFACE    = 0x0200;
    public static final int INTERNAL_ACC_ABSTRACT     = 0x0400;
    public static final int INTERNAL_ACC_STRICT       = 0x0800;
    public static final int INTERNAL_ACC_SYNTHETIC    = 0x1000;
    public static final int INTERNAL_ACC_ANNOTATTION  = 0x2000;
    public static final int INTERNAL_ACC_ENUM         = 0x4000;

    public static final int VALID_INTERNAL_ACC_CLASS  = INTERNAL_ACC_PUBLIC       |
                                                        INTERNAL_ACC_FINAL        |
                                                        INTERNAL_ACC_SUPER        |
                                                        INTERNAL_ACC_INTERFACE    |
                                                        INTERNAL_ACC_ABSTRACT     |
                                                        INTERNAL_ACC_SYNTHETIC    |
                                                        INTERNAL_ACC_ANNOTATTION  |
                                                        INTERNAL_ACC_ENUM;
    public static final int VALID_INTERNAL_ACC_FIELD  = INTERNAL_ACC_PUBLIC       |
                                                        INTERNAL_ACC_PRIVATE      |
                                                        INTERNAL_ACC_PROTECTED    |
                                                        INTERNAL_ACC_STATIC       |
                                                        INTERNAL_ACC_FINAL        |
                                                        INTERNAL_ACC_VOLATILE     |
                                                        INTERNAL_ACC_TRANSIENT    |
                                                        INTERNAL_ACC_SYNTHETIC    |
                                                        INTERNAL_ACC_ENUM;
    public static final int VALID_INTERNAL_ACC_METHOD = INTERNAL_ACC_PUBLIC       |
                                                        INTERNAL_ACC_PRIVATE      |
                                                        INTERNAL_ACC_PROTECTED    |
                                                        INTERNAL_ACC_STATIC       |
                                                        INTERNAL_ACC_FINAL        |
                                                        INTERNAL_ACC_SYNCHRONIZED |
                                                        INTERNAL_ACC_BRIDGE       |
                                                        INTERNAL_ACC_VARARGS      |
                                                        INTERNAL_ACC_NATIVE       |
                                                        INTERNAL_ACC_ABSTRACT     |
                                                        INTERNAL_ACC_STRICT       |
                                                        INTERNAL_ACC_SYNTHETIC;

    public static final String EXTERNAL_ACC_PUBLIC       = "public";
    public static final String EXTERNAL_ACC_PRIVATE      = "private";
    public static final String EXTERNAL_ACC_PROTECTED    = "protected";
    public static final String EXTERNAL_ACC_STATIC       = "static";
    public static final String EXTERNAL_ACC_FINAL        = "final";
    public static final String EXTERNAL_ACC_SUPER        = "super";
    public static final String EXTERNAL_ACC_SYNCHRONIZED = "synchronized";