Mercurial > hg > blitz_condensed
comparison src/com/go/trove/classfile/InnerClassesAttr.java @ 0:3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
author | Dan Creswell <dan.creswell@gmail.com> |
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date | Sat, 21 Mar 2009 11:00:06 +0000 |
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-1:000000000000 | 0:3dc0c5604566 |
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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.util.*; | |
56 import java.io.*; | |
57 | |
58 /****************************************************************************** | |
59 * This class corresponds to the InnerClasses_attribute structure introduced in | |
60 * JDK1.1. It is not defined in the first edition of | |
61 * <i>The Java Virual Machine Specification</i>. | |
62 * | |
63 * @author Brian S O'Neill | |
64 * @version | |
65 * <!--$$Revision: 1.1 $-->, <!--$$JustDate:--> 00/11/27 <!-- $--> | |
66 */ | |
67 class InnerClassesAttr extends Attribute { | |
68 private List mInnerClasses = new ArrayList(); | |
69 | |
70 public InnerClassesAttr(ConstantPool cp) { | |
71 super(cp, INNER_CLASSES); | |
72 } | |
73 | |
74 /** | |
75 * @param inner The full inner class name | |
76 * @param outer The full outer class name | |
77 * @param name The simple name of the inner class, or null if anonymous | |
78 * @param accessFlags Access flags for the inner class | |
79 */ | |
80 public void addInnerClass(String inner, | |
81 String outer, | |
82 String name, | |
83 AccessFlags accessFlags) { | |
84 | |
85 ConstantClassInfo innerInfo = ConstantClassInfo.make(mCp, inner); | |
86 ConstantClassInfo outerInfo; | |
87 if (outer == null) { | |
88 outerInfo = null; | |
89 } | |
90 else { | |
91 outerInfo = ConstantClassInfo.make(mCp, outer); | |
92 } | |
93 | |
94 ConstantUTFInfo nameInfo; | |
95 if (name == null) { | |
96 nameInfo = null; | |
97 } | |
98 else { | |
99 nameInfo = ConstantUTFInfo.make(mCp, name); | |
100 } | |
101 | |
102 mInnerClasses.add(new Info(innerInfo, outerInfo, nameInfo, | |
103 accessFlags.getModifier())); | |
104 } | |
105 | |
106 public Info[] getInnerClassesInfo() { | |
107 Info[] infos = new Info[mInnerClasses.size()]; | |
108 return (Info[])mInnerClasses.toArray(infos); | |
109 } | |
110 | |
111 public int getLength() { | |
112 return 2 + 8 * mInnerClasses.size(); | |
113 } | |
114 | |
115 public void writeDataTo(DataOutput dout) throws IOException { | |
116 int size = mInnerClasses.size(); | |
117 dout.writeShort(size); | |
118 for (int i=0; i<size; i++) { | |
119 ((Info)mInnerClasses.get(i)).writeTo(dout); | |
120 } | |
121 } | |
122 | |
123 static Attribute define(ConstantPool cp, | |
124 String name, | |
125 int length, | |
126 DataInput din) throws IOException { | |
127 | |
128 InnerClassesAttr innerClasses = new InnerClassesAttr(cp); | |
129 | |
130 int size = din.readUnsignedShort(); | |
131 for (int i=0; i<size; i++) { | |
132 int inner_index = din.readUnsignedShort(); | |
133 int outer_index = din.readUnsignedShort(); | |
134 int name_index = din.readUnsignedShort(); | |
135 int af = din.readUnsignedShort(); | |
136 | |
137 ConstantClassInfo inner; | |
138 if (inner_index == 0) { | |
139 inner = null; | |
140 } | |
141 else { | |
142 inner = (ConstantClassInfo)cp.getConstant(inner_index); | |
143 } | |
144 | |
145 ConstantClassInfo outer; | |
146 if (outer_index == 0) { | |
147 outer = null; | |
148 } | |
149 else { | |
150 outer = (ConstantClassInfo)cp.getConstant(outer_index); | |
151 } | |
152 | |
153 ConstantUTFInfo innerName; | |
154 if (name_index == 0) { | |
155 innerName = null; | |
156 } | |
157 else { | |
158 innerName = (ConstantUTFInfo)cp.getConstant(name_index); | |
159 } | |
160 | |
161 Info info = new Info(inner, outer, innerName, af); | |
162 innerClasses.mInnerClasses.add(info); | |
163 } | |
164 | |
165 return innerClasses; | |
166 } | |
167 | |
168 public static class Info { | |
169 private ConstantClassInfo mInner; | |
170 private ConstantClassInfo mOuter; | |
171 private ConstantUTFInfo mName; | |
172 private int mAccessFlags; | |
173 | |
174 Info(ConstantClassInfo inner, | |
175 ConstantClassInfo outer, | |
176 ConstantUTFInfo name, | |
177 int accessFlags) { | |
178 | |
179 mInner = inner; | |
180 mOuter = outer; | |
181 mName = name; | |
182 mAccessFlags = accessFlags; | |
183 } | |
184 | |
185 /** | |
186 * Returns null if no inner class specified. | |
187 */ | |
188 public ConstantClassInfo getInnerClass() { | |
189 return mInner; | |
190 } | |
191 | |
192 /** | |
193 * Returns null if no outer class specified. | |
194 */ | |
195 public ConstantClassInfo getOuterClass() { | |
196 return mOuter; | |
197 } | |
198 | |
199 /** | |
200 * Returns null if no inner class specified or is anonymous. | |
201 */ | |
202 public String getInnerClassName() { | |
203 if (mName == null) { | |
204 return null; | |
205 } | |
206 else { | |
207 return mName.getValue(); | |
208 } | |
209 } | |
210 | |
211 /** | |
212 * Returns a copy of the access flags. | |
213 */ | |
214 public AccessFlags getAccessFlags() { | |
215 return new AccessFlags(mAccessFlags); | |
216 } | |
217 | |
218 public void writeTo(DataOutput dout) throws IOException { | |
219 if (mInner == null) { | |
220 dout.writeShort(0); | |
221 } | |
222 else { | |
223 dout.writeShort(mInner.getIndex()); | |
224 } | |
225 | |
226 if (mOuter == null) { | |
227 dout.writeShort(0); | |
228 } | |
229 else { | |
230 dout.writeShort(mOuter.getIndex()); | |
231 } | |
232 | |
233 if (mName == null) { | |
234 dout.writeShort(0); | |
235 } | |
236 else { | |
237 dout.writeShort(mName.getIndex()); | |
238 } | |
239 | |
240 dout.writeShort(mAccessFlags); | |
241 } | |
242 } | |
243 } |