1/* 2 * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. 3 */ 4/* 5 * Licensed to the Apache Software Foundation (ASF) under one or more 6 * contributor license agreements. See the NOTICE file distributed with 7 * this work for additional information regarding copyright ownership. 8 * The ASF licenses this file to You under the Apache License, Version 2.0 9 * (the "License"); you may not use this file except in compliance with 10 * the License. You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, software 15 * distributed under the License is distributed on an "AS IS" BASIS, 16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 17 * See the License for the specific language governing permissions and 18 * limitations under the License. 19 */ 20package com.sun.org.apache.bcel.internal.classfile; 21 22import com.sun.org.apache.bcel.internal.Const; 23 24/** 25 * Super class for all objects that have modifiers like private, final, ... I.e. 26 * classes, fields, and methods. 27 * 28 * @version $Id: AccessFlags.java 1748636 2016-06-15 20:45:17Z dbrosius $ 29 */ 30public abstract class AccessFlags { 31 32 private int access_flags; 33 34 public AccessFlags() { 35 } 36 37 /** 38 * @param a inital access flags 39 */ 40 public AccessFlags(final int a) { 41 access_flags = a; 42 } 43 44 /** 45 * @return Access flags of the object aka. "modifiers". 46 */ 47 public final int getAccessFlags() { 48 return access_flags; 49 } 50 51 /** 52 * @return Access flags of the object aka. "modifiers". 53 */ 54 public final int getModifiers() { 55 return access_flags; 56 } 57 58 /** 59 * Set access flags aka "modifiers". 60 * 61 * @param access_flags Access flags of the object. 62 */ 63 public final void setAccessFlags(final int access_flags) { 64 this.access_flags = access_flags; 65 } 66 67 /** 68 * Set access flags aka "modifiers". 69 * 70 * @param access_flags Access flags of the object. 71 */ 72 public final void setModifiers(final int access_flags) { 73 setAccessFlags(access_flags); 74 } 75 76 private void setFlag(final int flag, final boolean set) { 77 if ((access_flags & flag) != 0) { // Flag is set already 78 if (!set) { 79 access_flags ^= flag; 80 } 81 } else { // Flag not set 82 if (set) { 83 access_flags |= flag; 84 } 85 } 86 } 87 88 public final void isPublic(final boolean flag) { 89 setFlag(Const.ACC_PUBLIC, flag); 90 } 91 92 public final boolean isPublic() { 93 return (access_flags & Const.ACC_PUBLIC) != 0; 94 } 95 96 public final void isPrivate(final boolean flag) { 97 setFlag(Const.ACC_PRIVATE, flag); 98 } 99 100 public final boolean isPrivate() { 101 return (access_flags & Const.ACC_PRIVATE) != 0; 102 } 103 104 public final void isProtected(final boolean flag) { 105 setFlag(Const.ACC_PROTECTED, flag); 106 } 107 108 public final boolean isProtected() { 109 return (access_flags & Const.ACC_PROTECTED) != 0; 110 } 111 112 public final void isStatic(final boolean flag) { 113 setFlag(Const.ACC_STATIC, flag); 114 } 115 116 public final boolean isStatic() { 117 return (access_flags & Const.ACC_STATIC) != 0; 118 } 119 120 public final void isFinal(final boolean flag) { 121 setFlag(Const.ACC_FINAL, flag); 122 } 123 124 public final boolean isFinal() { 125 return (access_flags & Const.ACC_FINAL) != 0; 126 } 127 128 public final void isSynchronized(final boolean flag) { 129 setFlag(Const.ACC_SYNCHRONIZED, flag); 130 } 131 132 public final boolean isSynchronized() { 133 return (access_flags & Const.ACC_SYNCHRONIZED) != 0; 134 } 135 136 public final void isVolatile(final boolean flag) { 137 setFlag(Const.ACC_VOLATILE, flag); 138 } 139 140 public final boolean isVolatile() { 141 return (access_flags & Const.ACC_VOLATILE) != 0; 142 } 143 144 public final void isTransient(final boolean flag) { 145 setFlag(Const.ACC_TRANSIENT, flag); 146 } 147 148 public final boolean isTransient() { 149 return (access_flags & Const.ACC_TRANSIENT) != 0; 150 } 151 152 public final void isNative(final boolean flag) { 153 setFlag(Const.ACC_NATIVE, flag); 154 } 155 156 public final boolean isNative() { 157 return (access_flags & Const.ACC_NATIVE) != 0; 158 } 159 160 public final void isInterface(final boolean flag) { 161 setFlag(Const.ACC_INTERFACE, flag); 162 } 163 164 public final boolean isInterface() { 165 return (access_flags & Const.ACC_INTERFACE) != 0; 166 } 167 168 public final void isAbstract(final boolean flag) { 169 setFlag(Const.ACC_ABSTRACT, flag); 170 } 171 172 public final boolean isAbstract() { 173 return (access_flags & Const.ACC_ABSTRACT) != 0; 174 } 175 176 public final void isStrictfp(final boolean flag) { 177 setFlag(Const.ACC_STRICT, flag); 178 } 179 180 public final boolean isStrictfp() { 181 return (access_flags & Const.ACC_STRICT) != 0; 182 } 183 184 public final void isSynthetic(final boolean flag) { 185 setFlag(Const.ACC_SYNTHETIC, flag); 186 } 187 188 public final boolean isSynthetic() { 189 return (access_flags & Const.ACC_SYNTHETIC) != 0; 190 } 191 192 public final void isAnnotation(final boolean flag) { 193 setFlag(Const.ACC_ANNOTATION, flag); 194 } 195 196 public final boolean isAnnotation() { 197 return (access_flags & Const.ACC_ANNOTATION) != 0; 198 } 199 200 public final void isEnum(final boolean flag) { 201 setFlag(Const.ACC_ENUM, flag); 202 } 203 204 public final boolean isEnum() { 205 return (access_flags & Const.ACC_ENUM) != 0; 206 } 207 208 public final void isVarArgs(final boolean flag) { 209 setFlag(Const.ACC_VARARGS, flag); 210 } 211 212 public final boolean isVarArgs() { 213 return (access_flags & Const.ACC_VARARGS) != 0; 214 } 215} 216