Mercurial > hg > blitz_condensed
comparison src/com/go/trove/classfile/TestClassFileRead.java @ 0:3dc0c5604566
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 |
parents | |
children |
comparison
equal
deleted
inserted
replaced
-1:000000000000 | 0:3dc0c5604566 |
---|---|
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.io.*; | |
56 | |
57 /****************************************************************************** | |
58 * Reads a class file and prints out its contents. | |
59 * | |
60 * @author Brian S O'Neill | |
61 * @version | |
62 * <!--$$Revision: 1.1 $-->, <!--$$JustDate:--> 00/12/27 <!-- $--> | |
63 */ | |
64 public class TestClassFileRead { | |
65 /** | |
66 * @param args first argument is path to class file. | |
67 */ | |
68 public static void main(String[] args) throws Exception { | |
69 InputStream in = new FileInputStream(args[0]); | |
70 in = new BufferedInputStream(in); | |
71 | |
72 ClassFileDataLoader loader = new ResourceClassFileDataLoader(); | |
73 | |
74 ClassFile cf = ClassFile.readFrom(in, loader, null); | |
75 in.close(); | |
76 | |
77 while (cf.getOuterClass() != null) { | |
78 cf = cf.getOuterClass(); | |
79 } | |
80 | |
81 dump(cf); | |
82 } | |
83 | |
84 private static void dump(ClassFile cf) { | |
85 dump(cf, ""); | |
86 } | |
87 | |
88 private static void dump(ClassFile cf, String indent) { | |
89 println(cf, indent); | |
90 println("className: " + cf.getClassName(), indent); | |
91 println("superClassName: " + cf.getSuperClassName(), indent); | |
92 println("innerClass: " + cf.isInnerClass(), indent); | |
93 println("innerClassName: " + cf.getInnerClassName(), indent); | |
94 println("type: " + cf.getType(), indent); | |
95 println("accessFlags: " + cf.getAccessFlags(), indent); | |
96 | |
97 String[] interfaces = cf.getInterfaces(); | |
98 print("interfaces: ", indent); | |
99 for (int i=0; i<interfaces.length; i++) { | |
100 if (i > 0) { | |
101 System.out.print(", "); | |
102 } | |
103 System.out.print(interfaces[i]); | |
104 } | |
105 println(); | |
106 | |
107 FieldInfo[] fields = cf.getFields(); | |
108 println("fields: ", indent); | |
109 for (int i=0; i<fields.length; i++) { | |
110 dump(fields[i], indent + " "); | |
111 } | |
112 | |
113 MethodInfo[] methods = cf.getMethods(); | |
114 println("methods: ", indent); | |
115 for (int i=0; i<methods.length; i++) { | |
116 dump(methods[i], indent + " "); | |
117 } | |
118 | |
119 methods = cf.getConstructors(); | |
120 println("constructors: ", indent); | |
121 for (int i=0; i<methods.length; i++) { | |
122 dump(methods[i], indent + " "); | |
123 } | |
124 | |
125 MethodInfo init = cf.getInitializer(); | |
126 println("initializer: ", indent); | |
127 if (init != null) { | |
128 dump(init, indent + " "); | |
129 } | |
130 | |
131 ClassFile[] innerClasses = cf.getInnerClasses(); | |
132 println("innerClasses: ", indent); | |
133 for (int i=0; i<innerClasses.length; i++) { | |
134 dump(innerClasses[i], indent + " "); | |
135 } | |
136 | |
137 println("sourceFile: " + cf.getSourceFile(), indent); | |
138 println("synthetic: " + cf.isSynthetic(), indent); | |
139 println("deprecated: " + cf.isDeprecated(), indent); | |
140 println("attributes: ", indent); | |
141 dump(cf.getAttributes(), indent + " "); | |
142 | |
143 println(); | |
144 } | |
145 | |
146 private static void dump(FieldInfo field, String indent) { | |
147 println(field, indent); | |
148 println("name: " + field.getName(), indent); | |
149 println("type: " + field.getType(), indent); | |
150 println("accessFlags: " + field.getAccessFlags(), indent); | |
151 println("constantValue: " + field.getConstantValue(), indent); | |
152 println("synthetic: " + field.isSynthetic(), indent); | |
153 println("deprecated: " + field.isDeprecated(), indent); | |
154 println("attributes: ", indent); | |
155 dump(field.getAttributes(), indent + " "); | |
156 | |
157 println(); | |
158 } | |
159 | |
160 private static void dump(MethodInfo method, String indent) { | |
161 println(method, indent); | |
162 println("name: " + method.getName(), indent); | |
163 println("methodDescriptor: " + method.getMethodDescriptor(), indent); | |
164 println("accessFlags: " + method.getAccessFlags(), indent); | |
165 | |
166 String[] exceptions = method.getExceptions(); | |
167 print("exceptions: ", indent); | |
168 for (int i=0; i<exceptions.length; i++) { | |
169 if (i > 0) { | |
170 System.out.print(", "); | |
171 } | |
172 System.out.print(exceptions[i]); | |
173 } | |
174 println(); | |
175 | |
176 if (method.getCodeAttr() != null) { | |
177 println("code:", indent); | |
178 | |
179 PrintWriter writer = new PrintWriter(System.out); | |
180 | |
181 TypeDescriptor[] paramTypes = | |
182 method.getMethodDescriptor().getParameterTypes(); | |
183 boolean isStatic = method.getAccessFlags().isStatic(); | |
184 | |
185 new CodeDisassembler(method).disassemble | |
186 (new CodeAssemblerPrinter(paramTypes, isStatic, | |
187 writer, indent + " ", null)); | |
188 | |
189 writer.flush(); | |
190 } | |
191 | |
192 println("synthetic: " + method.isSynthetic(), indent); | |
193 println("deprecated: " + method.isDeprecated(), indent); | |
194 println("attributes: ", indent); | |
195 dump(method.getAttributes(), indent + " "); | |
196 | |
197 println(); | |
198 } | |
199 | |
200 private static void dump(Attribute[] attributes, String indent) { | |
201 if (attributes == null) { | |
202 return; | |
203 } | |
204 for (int i=0; i<attributes.length; i++) { | |
205 Attribute attribute = attributes[i]; | |
206 println(attribute, indent); | |
207 Attribute[] subAttributes = attribute.getAttributes(); | |
208 if (subAttributes != null && subAttributes.length > 0) { | |
209 println("attributes: ", indent); | |
210 dump(subAttributes, indent + " "); | |
211 } | |
212 } | |
213 } | |
214 | |
215 private static void print(Object obj, String indent) { | |
216 System.out.print(indent); | |
217 System.out.print(obj); | |
218 } | |
219 | |
220 private static void println(Object obj, String indent) { | |
221 print(obj, indent); | |
222 println(); | |
223 } | |
224 | |
225 private static void println() { | |
226 System.out.println(); | |
227 } | |
228 } |