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- /*
- * Javassist, a Java-bytecode translator toolkit.
- * Copyright (C) 1999- 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,
- * or the Apache License Version 2.0.
- *
- * 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;
- }
- }
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