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/*
* Copyright (C) 2007-2010 Júlio Vilmar Gesser.
* Copyright (C) 2011, 2013-2015 The JavaParser Team.
*
* This file is part of JavaParser.
*
* JavaParser can be used either under the terms of
* a) 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.
* b) the terms of the Apache License
*
* You should have received a copy of both licenses in LICENCE.LGPL and
* LICENCE.APACHE. Please refer to those files for details.
*
* JavaParser 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.
*/
package com.github.javaparser.ast.body;
import com.github.javaparser.ast.AccessSpecifier;
import java.lang.reflect.Modifier;
/**
* Class to hold modifiers.<br>
* The modifier constants declared here holds equivalent values to
* {@link Modifier} constants.
*/
public final class ModifierSet {
/* Definitions of the bits in the modifiers field. */
public static final int PUBLIC = Modifier.PUBLIC;
public static final int PRIVATE = Modifier.PRIVATE;
public static final int PROTECTED = Modifier.PROTECTED;
public static final int STATIC = Modifier.STATIC;
public static final int FINAL = Modifier.FINAL;
public static final int SYNCHRONIZED = Modifier.SYNCHRONIZED;
public static final int VOLATILE = Modifier.VOLATILE;
public static final int TRANSIENT = Modifier.TRANSIENT;
public static final int NATIVE = Modifier.NATIVE;
public static final int ABSTRACT = Modifier.ABSTRACT;
public static final int STRICTFP = Modifier.STRICT;
public static AccessSpecifier getAccessSpecifier(int modifiers) {
if (isPublic(modifiers)){
return AccessSpecifier.PUBLIC;
} else if (isProtected(modifiers)){
return AccessSpecifier.PROTECTED;
} else if (isPrivate(modifiers)){
return AccessSpecifier.PRIVATE;
} else {
return AccessSpecifier.DEFAULT;
}
}
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;
}
/**
* Is the element accessible from within the package?
* It is the level of access which is applied if no modifiers are chosen,
* it is sometimes called "default".
* @param modifiers indicator
* @return true if modifier denotes package level access
*/
public static boolean hasPackageLevelAccess(int modifiers) {
return !isPublic(modifiers) && !isProtected(modifiers) && !isPrivate(modifiers);
}
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.
* @param modifiers existing modifiers
* @param mod modifier to be removed
* @return result for removing modifier
*/
public static int removeModifier(int modifiers, int mod) {
return modifiers & ~mod;
}
private ModifierSet() {
}
}
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