1 /* 2 * reserved comment block 3 * DO NOT REMOVE OR ALTER! 4 */ 5 package com.sun.org.apache.bcel.internal.classfile; 6 7 /* ==================================================================== 8 * The Apache Software License, Version 1.1 9 * 10 * Copyright (c) 2001 The Apache Software Foundation. All rights 11 * reserved. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 17 * 1. Redistributions of source code must retain the above copyright 18 * notice, this list of conditions and the following disclaimer. 19 * 20 * 2. Redistributions in binary form must reproduce the above copyright 21 * notice, this list of conditions and the following disclaimer in 22 * the documentation and/or other materials provided with the 23 * distribution. 24 * 25 * 3. The end-user documentation included with the redistribution, 26 * if any, must include the following acknowledgment: 27 * "This product includes software developed by the 28 * Apache Software Foundation (http://www.apache.org/)." 29 * Alternately, this acknowledgment may appear in the software itself, 30 * if and wherever such third-party acknowledgments normally appear. 31 * 32 * 4. The names "Apache" and "Apache Software Foundation" and 33 * "Apache BCEL" must not be used to endorse or promote products 34 * derived from this software without prior written permission. For 35 * written permission, please contact apache@apache.org. 36 * 37 * 5. Products derived from this software may not be called "Apache", 38 * "Apache BCEL", nor may "Apache" appear in their name, without 39 * prior written permission of the Apache Software Foundation. 40 * 41 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 42 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 43 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 44 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 45 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 46 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 47 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 48 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 49 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 50 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 51 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 52 * SUCH DAMAGE. 53 * ==================================================================== 54 * 55 * This software consists of voluntary contributions made by many 56 * individuals on behalf of the Apache Software Foundation. For more 57 * information on the Apache Software Foundation, please see 58 * <http://www.apache.org/>. 59 */ 60 61 import com.sun.org.apache.bcel.internal.Constants; 62 63 /** 64 * Super class for all objects that have modifiers like private, final, ... 65 * I.e. classes, fields, and methods. 66 * 67 * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A> 68 */ 69 public abstract class AccessFlags implements java.io.Serializable { 70 protected int access_flags; 71 72 public AccessFlags() {} 73 74 /** 75 * @param a inital access flags 76 */ 77 public AccessFlags(int a) { 78 access_flags = a; 79 } 80 81 /** 82 * @return Access flags of the object aka. "modifiers". 83 */ 84 public final int getAccessFlags() { return access_flags; } 85 86 /** 87 * @return Access flags of the object aka. "modifiers". 88 */ 89 public final int getModifiers() { return access_flags; } 90 91 /** Set access flags aka "modifiers". 92 * @param access_flags Access flags of the object. 93 */ 94 public final void setAccessFlags(int access_flags) { 95 this.access_flags = access_flags; 96 } 97 98 /** Set access flags aka "modifiers". 99 * @param access_flags Access flags of the object. 100 */ 101 public final void setModifiers(int access_flags) { 102 setAccessFlags(access_flags); 103 } 104 105 private final void setFlag(int flag, boolean set) { 106 if((access_flags & flag) != 0) { // Flag is set already 107 if(!set) // Delete flag ? 108 access_flags ^= flag; 109 } else { // Flag not set 110 if(set) // Set flag ? 111 access_flags |= flag; 112 } 113 } 114 115 public final void isPublic(boolean flag) { setFlag(Constants.ACC_PUBLIC, flag); } 116 public final boolean isPublic() { 117 return (access_flags & Constants.ACC_PUBLIC) != 0; 118 } 119 120 public final void isPrivate(boolean flag) { setFlag(Constants.ACC_PRIVATE, flag); } 121 public final boolean isPrivate() { 122 return (access_flags & Constants.ACC_PRIVATE) != 0; 123 } 124 125 public final void isProtected(boolean flag) { setFlag(Constants.ACC_PROTECTED, flag); } 126 public final boolean isProtected() { 127 return (access_flags & Constants.ACC_PROTECTED) != 0; 128 } 129 130 public final void isStatic(boolean flag) { setFlag(Constants.ACC_STATIC, flag); } 131 public final boolean isStatic() { 132 return (access_flags & Constants.ACC_STATIC) != 0; 133 } 134 135 public final void isFinal(boolean flag) { setFlag(Constants.ACC_FINAL, flag); } 136 public final boolean isFinal() { 137 return (access_flags & Constants.ACC_FINAL) != 0; 138 } 139 140 public final void isSynchronized(boolean flag) { setFlag(Constants.ACC_SYNCHRONIZED, flag); } 141 public final boolean isSynchronized() { 142 return (access_flags & Constants.ACC_SYNCHRONIZED) != 0; 143 } 144 145 public final void isVolatile(boolean flag) { setFlag(Constants.ACC_VOLATILE, flag); } 146 public final boolean isVolatile() { 147 return (access_flags & Constants.ACC_VOLATILE) != 0; 148 } 149 150 public final void isTransient(boolean flag) { setFlag(Constants.ACC_TRANSIENT, flag); } 151 public final boolean isTransient() { 152 return (access_flags & Constants.ACC_TRANSIENT) != 0; 153 } 154 155 public final void isNative(boolean flag) { setFlag(Constants.ACC_NATIVE, flag); } 156 public final boolean isNative() { 157 return (access_flags & Constants.ACC_NATIVE) != 0; 158 } 159 160 public final void isInterface(boolean flag) { setFlag(Constants.ACC_INTERFACE, flag); } 161 public final boolean isInterface() { 162 return (access_flags & Constants.ACC_INTERFACE) != 0; 163 } 164 165 public final void isAbstract(boolean flag) { setFlag(Constants.ACC_ABSTRACT, flag); } 166 public final boolean isAbstract() { 167 return (access_flags & Constants.ACC_ABSTRACT) != 0; 168 } 169 170 public final void isStrictfp(boolean flag) { setFlag(Constants.ACC_STRICT, flag); } 171 public final boolean isStrictfp() { 172 return (access_flags & Constants.ACC_STRICT) != 0; 173 } 174 }