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- /*
- * Javassist, a Java-bytecode translator toolkit.
- * Copyright (C) 1999-2006 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;
-
- import javassist.bytecode.AccessFlag;
-
- /**
- * The Modifier class provides static methods and constants to decode
- * class and member access modifiers. The constant values are equivalent
- * to the corresponding values in <code>javassist.bytecode.AccessFlag</code>.
- *
- * <p>All the methods/constants in this class are compatible with
- * ones in <code>java.lang.reflect.Modifier</code>.
- *
- * @see CtClass#getModifiers()
- */
- public class Modifier {
- public static final int PUBLIC = AccessFlag.PUBLIC;
- public static final int PRIVATE = AccessFlag.PRIVATE;
- public static final int PROTECTED = AccessFlag.PROTECTED;
- public static final int STATIC = AccessFlag.STATIC;
- public static final int FINAL = AccessFlag.FINAL;
- public static final int SYNCHRONIZED = AccessFlag.SYNCHRONIZED;
- public static final int VOLATILE = AccessFlag.VOLATILE;
- public static final int TRANSIENT = AccessFlag.TRANSIENT;
- public static final int NATIVE = AccessFlag.NATIVE;
- public static final int INTERFACE = AccessFlag.INTERFACE;
- public static final int ABSTRACT = AccessFlag.ABSTRACT;
- public static final int STRICT = AccessFlag.STRICT;
-
- /**
- * Returns true if the modifiers include the <tt>public</tt>
- * modifier.
- */
- public static boolean isPublic(int mod) {
- return (mod & PUBLIC) != 0;
- }
-
- /**
- * Returns true if the modifiers include the <tt>private</tt>
- * modifier.
- */
- public static boolean isPrivate(int mod) {
- return (mod & PRIVATE) != 0;
- }
-
- /**
- * Returns true if the modifiers include the <tt>protected</tt>
- * modifier.
- */
- public static boolean isProtected(int mod) {
- return (mod & PROTECTED) != 0;
- }
-
- /**
- * Returns true if the modifiers do not include either
- * <tt>public</tt>, <tt>protected</tt>, or <tt>private</tt>.
- */
- public static boolean isPackage(int mod) {
- return (mod & (PUBLIC | PRIVATE | PROTECTED)) == 0;
- }
-
- /**
- * Returns true if the modifiers include the <tt>static</tt>
- * modifier.
- */
- public static boolean isStatic(int mod) {
- return (mod & STATIC) != 0;
- }
-
- /**
- * Returns true if the modifiers include the <tt>final</tt>
- * modifier.
- */
- public static boolean isFinal(int mod) {
- return (mod & FINAL) != 0;
- }
-
- /**
- * Returns true if the modifiers include the <tt>synchronized</tt>
- * modifier.
- */
- public static boolean isSynchronized(int mod) {
- return (mod & SYNCHRONIZED) != 0;
- }
-
- /**
- * Returns true if the modifiers include the <tt>volatile</tt>
- * modifier.
- */
- public static boolean isVolatile(int mod) {
- return (mod & VOLATILE) != 0;
- }
-
- /**
- * Returns true if the modifiers include the <tt>transient</tt>
- * modifier.
- */
- public static boolean isTransient(int mod) {
- return (mod & TRANSIENT) != 0;
- }
-
- /**
- * Returns true if the modifiers include the <tt>native</tt>
- * modifier.
- */
- public static boolean isNative(int mod) {
- return (mod & NATIVE) != 0;
- }
-
- /**
- * Returns true if the modifiers include the <tt>interface</tt>
- * modifier.
- */
- public static boolean isInterface(int mod) {
- return (mod & INTERFACE) != 0;
- }
-
- /**
- * Returns true if the modifiers include the <tt>abstract</tt>
- * modifier.
- */
- public static boolean isAbstract(int mod) {
- return (mod & ABSTRACT) != 0;
- }
-
- /**
- * Returns true if the modifiers include the <tt>strictfp</tt>
- * modifier.
- */
- public static boolean isStrict(int mod) {
- return (mod & STRICT) != 0;
- }
-
- /**
- * Truns the public bit on. The protected and private bits are
- * cleared.
- */
- public static int setPublic(int mod) {
- return (mod & ~(PRIVATE | PROTECTED)) | PUBLIC;
- }
-
- /**
- * Truns the protected bit on. The protected and public bits are
- * cleared.
- */
- public static int setProtected(int mod) {
- return (mod & ~(PRIVATE | PUBLIC)) | PROTECTED;
- }
-
- /**
- * Truns the private bit on. The protected and private bits are
- * cleared.
- */
- public static int setPrivate(int mod) {
- return (mod & ~(PROTECTED | PUBLIC)) | PRIVATE;
- }
-
- /**
- * Clears the public, protected, and private bits.
- */
- public static int setPackage(int mod) {
- return (mod & ~(PROTECTED | PUBLIC | PRIVATE));
- }
-
- /**
- * Clears a specified bit in <code>mod</code>.
- */
- public static int clear(int mod, int clearBit) {
- return mod & ~clearBit;
- }
-
- /**
- * Return a string describing the access modifier flags in
- * the specified modifier.
- *
- * @param mod modifier flags.
- */
- public static String toString(int mod) {
- return java.lang.reflect.Modifier.toString(mod);
- }
- }
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