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	/*
	* Copyright (c) 2017, 2020, Oracle and/or its affiliates. All rights reserved.
	*/
	/*
	* Licensed to the Apache Software Foundation (ASF) under one or more
	* contributor license agreements. See the NOTICE file distributed with
	* this work for additional information regarding copyright ownership.
	* The ASF licenses this file to You under the Apache License, Version 2.0
	* (the "License"); you may not use this file except in compliance with
	* the License. You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/
	package com.sun.org.apache.bcel.internal.classfile;

	import com.sun.org.apache.bcel.internal.Const;

	/**
	* Super class for all objects that have modifiers like private, final, ... I.e.
	* classes, fields, and methods.
	*
	* @LastModified: Jan 2020
	*/
	public abstract class AccessFlags {

	private int access_flags;

	public AccessFlags() {
	}

	/**
	* @param a
	* inital access flags
	*/
	public AccessFlags(final int a) {
	access_flags = a;
	}

	/**
	* @return Access flags of the object aka. "modifiers".
	*/
	public final int getAccessFlags() {
	return access_flags;
	}

	/**
	* @return Access flags of the object aka. "modifiers".
	*/
	public final int getModifiers() {
	return access_flags;
	}

	/**
	* Set access flags aka "modifiers".
	*
	* @param access_flags
	* Access flags of the object.
	*/
	public final void setAccessFlags(final int access_flags) {
	this.access_flags = access_flags;
	}

	/**
	* Set access flags aka "modifiers".
	*
	* @param access_flags
	* Access flags of the object.
	*/
	public final void setModifiers(final int access_flags) {
	setAccessFlags(access_flags);
	}

	private void setFlag(final int flag, final boolean set) {
	if ((access_flags & flag) != 0) { // Flag is set already
	if (!set) {
	access_flags ^= flag;
	}
	} else { // Flag not set
	if (set) {
	access_flags \|= flag;
	}
	}
	}

	public final void isPublic(final boolean flag) {
	setFlag(Const.ACC_PUBLIC, flag);
	}

	public final boolean isPublic() {
	return (access_flags & Const.ACC_PUBLIC) != 0;
	}

	public final void isPrivate(final boolean flag) {
	setFlag(Const.ACC_PRIVATE, flag);
	}

	public final boolean isPrivate() {
	return (access_flags & Const.ACC_PRIVATE) != 0;
	}

	public final void isProtected(final boolean flag) {
	setFlag(Const.ACC_PROTECTED, flag);
	}

	public final boolean isProtected() {
	return (access_flags & Const.ACC_PROTECTED) != 0;
	}

	public final void isStatic(final boolean flag) {
	setFlag(Const.ACC_STATIC, flag);
	}

	public final boolean isStatic() {
	return (access_flags & Const.ACC_STATIC) != 0;
	}

	public final void isFinal(final boolean flag) {
	setFlag(Const.ACC_FINAL, flag);
	}

	public final boolean isFinal() {
	return (access_flags & Const.ACC_FINAL) != 0;
	}

	public final void isSynchronized(final boolean flag) {
	setFlag(Const.ACC_SYNCHRONIZED, flag);
	}

	public final boolean isSynchronized() {
	return (access_flags & Const.ACC_SYNCHRONIZED) != 0;
	}

	public final void isVolatile(final boolean flag) {
	setFlag(Const.ACC_VOLATILE, flag);
	}

	public final boolean isVolatile() {
	return (access_flags & Const.ACC_VOLATILE) != 0;
	}

	public final void isTransient(final boolean flag) {
	setFlag(Const.ACC_TRANSIENT, flag);
	}

	public final boolean isTransient() {
	return (access_flags & Const.ACC_TRANSIENT) != 0;
	}

	public final void isNative(final boolean flag) {
	setFlag(Const.ACC_NATIVE, flag);
	}

	public final boolean isNative() {
	return (access_flags & Const.ACC_NATIVE) != 0;
	}

	public final void isInterface(final boolean flag) {
	setFlag(Const.ACC_INTERFACE, flag);
	}

	public final boolean isInterface() {
	return (access_flags & Const.ACC_INTERFACE) != 0;
	}

	public final void isAbstract(final boolean flag) {
	setFlag(Const.ACC_ABSTRACT, flag);
	}

	public final boolean isAbstract() {
	return (access_flags & Const.ACC_ABSTRACT) != 0;
	}

	public final void isStrictfp(final boolean flag) {
	setFlag(Const.ACC_STRICT, flag);
	}

	public final boolean isStrictfp() {
	return (access_flags & Const.ACC_STRICT) != 0;
	}

	public final void isSynthetic(final boolean flag) {
	setFlag(Const.ACC_SYNTHETIC, flag);
	}

	public final boolean isSynthetic() {
	return (access_flags & Const.ACC_SYNTHETIC) != 0;
	}

	public final void isAnnotation(final boolean flag) {
	setFlag(Const.ACC_ANNOTATION, flag);
	}

	public final boolean isAnnotation() {
	return (access_flags & Const.ACC_ANNOTATION) != 0;
	}

	public final void isEnum(final boolean flag) {
	setFlag(Const.ACC_ENUM, flag);
	}

	public final boolean isEnum() {
	return (access_flags & Const.ACC_ENUM) != 0;
	}

	public final void isVarArgs(final boolean flag) {
	setFlag(Const.ACC_VARARGS, flag);
	}

	public final boolean isVarArgs() {
	return (access_flags & Const.ACC_VARARGS) != 0;
	}
	}

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