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/*
* Copyright (C) 2007 Júlio Vilmar Gesser.
*
* This file is part of Java 1.5 parser and Abstract Syntax Tree.
*
* Java 1.5 parser and Abstract Syntax Tree is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Java 1.5 parser and Abstract Syntax Tree 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 Java 1.5 parser and Abstract Syntax Tree. If not, see <http://www.gnu.org/licenses/>.
*/
package japa.parser.ast.body;
/**
* Class to hold modifiers.
*/
public final class ModifierSet {
/* Definitions of the bits in the modifiers field. */
public static final int PUBLIC = 0x0001;
public static final int PROTECTED = 0x0002;
public static final int PRIVATE = 0x0004;
public static final int ABSTRACT = 0x0008;
public static final int STATIC = 0x0010;
public static final int FINAL = 0x0020;
public static final int SYNCHRONIZED = 0x0040;
public static final int NATIVE = 0x0080;
public static final int TRANSIENT = 0x0100;
public static final int VOLATILE = 0x0200;
public static final int STRICTFP = 0x1000;
/**
* Adds the given modifier.
*/
public static int addModifier(int modifiers, int mod) {
return modifiers |= mod;
}
public static boolean hasModifier(int modifiers, int modifier) {
return (modifiers & modifier) != 0;
}
public static boolean isAbstract(int modifiers) {
return (modifiers & ABSTRACT) != 0;
}
public static boolean isFinal(int modifiers) {
return (modifiers & FINAL) != 0;
}
public static boolean isNative(int modifiers) {
return (modifiers & NATIVE) != 0;
}
public static boolean isPrivate(int modifiers) {
return (modifiers & PRIVATE) != 0;
}
public static boolean isProtected(int modifiers) {
return (modifiers & PROTECTED) != 0;
}
/**
* A set of accessors that indicate whether the specified modifier is in the
* set.
*/
public static boolean isPublic(int modifiers) {
return (modifiers & PUBLIC) != 0;
}
public static boolean isStatic(int modifiers) {
return (modifiers & STATIC) != 0;
}
public static boolean isStrictfp(int modifiers) {
return (modifiers & STRICTFP) != 0;
}
public static boolean isSynchronized(int modifiers) {
return (modifiers & SYNCHRONIZED) != 0;
}
public static boolean isTransient(int modifiers) {
return (modifiers & TRANSIENT) != 0;
}
public static boolean isVolatile(int modifiers) {
return (modifiers & VOLATILE) != 0;
}
/**
* Removes the given modifier.
*/
public static int removeModifier(int modifiers, int mod) {
return modifiers &= ~mod;
}
private ModifierSet() {
}
}
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