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comparison src/com/go/trove/classfile/AccessFlags.java @ 0:3dc0c5604566

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Initial checkin of blitz 2.0 fcs - no installer yet.
author Dan Creswell <dan.creswell@gmail.com>
date Sat, 21 Mar 2009 11:00:06 +0000
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1 /* ====================================================================
2 * Trove - Copyright (c) 1997-2000 Walt Disney Internet Group
3 * ====================================================================
4 * The Tea Software License, Version 1.1
5 *
6 * Copyright (c) 2000 Walt Disney Internet Group. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
18 * distribution.
19 *
20 * 3. The end-user documentation included with the redistribution,
21 * if any, must include the following acknowledgment:
22 * "This product includes software developed by the
23 * Walt Disney Internet Group (http://opensource.go.com/)."
24 * Alternately, this acknowledgment may appear in the software itself,
25 * if and wherever such third-party acknowledgments normally appear.
26 *
27 * 4. The names "Tea", "TeaServlet", "Kettle", "Trove" and "BeanDoc" must
28 * not be used to endorse or promote products derived from this
29 * software without prior written permission. For written
30 * permission, please contact opensource@dig.com.
31 *
32 * 5. Products derived from this software may not be called "Tea",
33 * "TeaServlet", "Kettle" or "Trove", nor may "Tea", "TeaServlet",
34 * "Kettle", "Trove" or "BeanDoc" appear in their name, without prior
35 * written permission of the Walt Disney Internet Group.
36 *
37 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
38 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
39 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
40 * DISCLAIMED. IN NO EVENT SHALL THE WALT DISNEY INTERNET GROUP OR ITS
41 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
42 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
43 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
44 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
45 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
46 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
47 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
48 * ====================================================================
49 *
50 * For more information about Tea, please see http://opensource.go.com/.
51 */
52
53 package com.go.trove.classfile;
54
55 import java.lang.reflect.Modifier;
56
57 /******************************************************************************
58 * The AccessFlags class is a wrapper around a Modifier bit mask. The
59 * methods provided to manipulate the Modifier ensure that it is always
60 * legal. i.e. setting it public automatically clears it from being
61 * private or protected.
62 *
63 * @author Brian S O'Neill
64 * @version
65 * <!--$$Revision: 1.1 $-->, <!--$$JustDate:--> 9/07/00 <!-- $-->
66 */
67 public class AccessFlags extends Modifier implements Cloneable {
68 private int mFlags;
69
70 /** Construct with a modifier of 0. */
71 public AccessFlags() {
72 mFlags = 0;
73 }
74
75 public AccessFlags(int modifier) {
76 mFlags = modifier;
77 }
78
79 public final int getModifier() {
80 return mFlags;
81 }
82
83 public void setModifier(int flags) {
84 mFlags = flags;
85 }
86
87 public boolean isPublic() {
88 return isPublic(mFlags);
89 }
90
91 /**
92 * When set public, it is cleared from being private or protected.
93 */
94 public void setPublic(boolean value) {
95 if (value) {
96 mFlags |= PUBLIC;
97 mFlags &= ~PROTECTED & ~PRIVATE;
98 }
99 else {
100 mFlags &= ~PUBLIC;
101 }
102 }
103
104 public boolean isPrivate() {
105 return isPrivate(mFlags);
106 }
107
108 /**
109 * When set private, it is cleared from being public or protected.
110 */
111 public void setPrivate(boolean value) {
112 if (value) {
113 mFlags |= PRIVATE;
114 mFlags &= ~PUBLIC & ~PROTECTED;
115 }
116 else {
117 mFlags &= ~PRIVATE;
118 }
119 }
120
121 public boolean isProtected() {
122 return isProtected(mFlags);
123 }
124
125 /**
126 * When set protected, it is cleared from being public or private.
127 */
128 public void setProtected(boolean value) {
129 if (value) {
130 mFlags |= PROTECTED;
131 mFlags &= ~PUBLIC & ~PRIVATE;
132 }
133 else {
134 mFlags &= ~PROTECTED;
135 }
136 }
137
138 public boolean isStatic() {
139 return isStatic(mFlags);
140 }
141
142 public void setStatic(boolean value) {
143 if (value) {
144 mFlags |= STATIC;
145 }
146 else {
147 mFlags &= ~STATIC;
148 }
149 }
150
151 public boolean isFinal() {
152 return isFinal(mFlags);
153 }
154
155 /**
156 * When set final, it is cleared from being an interface or abstract.
157 */
158 public void setFinal(boolean value) {
159 if (value) {
160 mFlags |= FINAL;
161 mFlags &= ~INTERFACE & ~ABSTRACT;
162 }
163 else {
164 mFlags &= ~FINAL;
165 }
166 }
167
168 public boolean isSynchronized() {
169 return isSynchronized(mFlags);
170 }
171
172 public void setSynchronized(boolean value) {
173 if (value) {
174 mFlags |= SYNCHRONIZED;
175 }
176 else {
177 mFlags &= ~SYNCHRONIZED;
178 }
179 }
180
181 public boolean isVolatile() {
182 return isVolatile(mFlags);
183 }
184
185 public void setVolatile(boolean value) {
186 if (value) {
187 mFlags |= VOLATILE;
188 }
189 else {
190 mFlags &= ~VOLATILE;
191 }
192 }
193
194 public boolean isTransient() {
195 return isTransient(mFlags);
196 }
197
198 public void setTransient(boolean value) {
199 if (value) {
200 mFlags |= TRANSIENT;
201 }
202 else {
203 mFlags &= ~TRANSIENT;
204 }
205 }
206
207 public boolean isNative() {
208 return isNative(mFlags);
209 }
210
211 public void setNative(boolean value) {
212 if (value) {
213 mFlags |= NATIVE;
214 }
215 else {
216 mFlags &= ~NATIVE;
217 }
218 }
219
220 public boolean isInterface() {
221 return isInterface(mFlags);
222 }
223
224 /**
225 * When set as an interface, it is cleared from being final and set as
226 * being abstract.
227 */
228 public void setInterface(boolean value) {
229 if (value) {
230 mFlags |= INTERFACE | ABSTRACT;
231 mFlags &= ~FINAL;
232 }
233 else {
234 mFlags &= ~INTERFACE;
235 }
236 }
237
238 public boolean isAbstract() {
239 return isAbstract(mFlags);
240 }
241
242 /**
243 * When set abstract, it is cleared from being final. When cleared from
244 * being abstract, it is also cleared from being an interface.
245 */
246 public void setAbstract(boolean value) {
247 if (value) {
248 mFlags |= ABSTRACT;
249 mFlags &= ~FINAL;
250 }
251 else {
252 mFlags &= ~ABSTRACT & ~INTERFACE;
253 }
254 }
255
256 public Object clone() {
257 try {
258 return super.clone();
259 }
260 catch (CloneNotSupportedException e) {
261 throw new InternalError(e.toString());
262 }
263 }
264
265 /**
266 * Returns the string value generated by the Modifier class.
267 * @see java.lang.reflect.Modifier#toString()
268 */
269 public String toString() {
270 return toString(mFlags);
271 }
272 }