/*
* Javassist, a Java-bytecode translator toolkit.
* Copyright (C) 1999-2007 Shigeru Chiba. All Rights Reserved.
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. Alternatively, the contents of this file may be used under
* the terms of the GNU Lesser General Public License Version 2.1 or later.
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*/
package javassist.bytecode;
/**
* A support class providing static methods and constants
* for access modifiers such as public, rivate, ...
*/
public class
AccessFlag {
public static final int
PUBLIC = 0x0001;
public static final int
PRIVATE = 0x0002;
public static final int
PROTECTED = 0x0004;
public static final int
STATIC = 0x0008;
public static final int
FINAL = 0x0010;
public static final int
SYNCHRONIZED = 0x0020;
public static final int
VOLATILE = 0x0040;
public static final int
BRIDGE = 0x0040; // for method_info
public static final int
TRANSIENT = 0x0080;
public static final int
VARARGS = 0x0080; // for method_info
public static final int
NATIVE = 0x0100;
public static final int
INTERFACE = 0x0200;
public static final int
ABSTRACT = 0x0400;
public static final int
STRICT = 0x0800;
public static final int
SYNTHETIC = 0x1000;
public static final int
ANNOTATION = 0x2000;
public static final int
ENUM = 0x4000;
public static final int
SUPER = 0x0020;
// Note: 0x0020 is assigned to both ACC_SUPER and ACC_SYNCHRONIZED
// although java.lang.reflect.Modifier does not recognize ACC_SUPER.
/**
* Truns the public bit on. The protected and private bits are
* cleared.
*/
public static int
setPublic(int
accflags) {
return (
accflags & ~(
PRIVATE |
PROTECTED)) |
PUBLIC;
}
/**
* Truns the protected bit on. The protected and public bits are
* cleared.
*/
public static int
setProtected(int
accflags) {
return (
accflags & ~(
PRIVATE |
PUBLIC)) |
PROTECTED;
}
/**
* Truns the private bit on. The protected and private bits are
* cleared.
*/
public static int
setPrivate(int
accflags) {
return (
accflags & ~(
PROTECTED |
PUBLIC)) |
PRIVATE;
}
/**
* Clears the public, protected, and private bits.
*/
public static int
setPackage(int
accflags) {
return (
accflags & ~(
PROTECTED |
PUBLIC |
PRIVATE));
}
/**
* Returns true if the access flags include the public bit.
*/
public static boolean
isPublic(int
accflags) {
return (
accflags &
PUBLIC) != 0;
}
/**
* Returns true if the access flags include the protected bit.
*/
public static boolean
isProtected(int
accflags) {
return (
accflags &
PROTECTED) != 0;
}
/**
* Returns true if the access flags include the private bit.
*/
public static boolean
isPrivate(int
accflags) {
return (
accflags &
PRIVATE) != 0;
}
/**
* Returns true if the access flags include neither public, protected,
* or private.
*/
public static boolean
isPackage(int
accflags) {
return (
accflags & (
PROTECTED |
PUBLIC |
PRIVATE)) == 0;
}
/**
* Clears a specified bit in <code>accflags</code>.
*/
public static int
clear(int
accflags, int
clearBit) {
return
accflags & ~
clearBit;
}
/**
* Converts a javassist.Modifier into
* a javassist.bytecode.AccessFlag.
*
* @param modifier javassist.Modifier
*/
public static int
of(int
modifier) {
return
modifier;
}
/**
* Converts a javassist.bytecode.AccessFlag
* into a javassist.Modifier.
*
* @param accflags javassist.bytecode.Accessflag
*/
public static int
toModifier(int
accflags) {
return
accflags;
}
}