Source Code Cross Referenced for AddWrapperVisitor.java in  » Net » Terracotta » com » tc » aspectwerkz » transform » inlining » weaver » Java Source Code / Java DocumentationJava Source Code and Java Documentation

Java Source Code / Java Documentation
1. 6.0 JDK Core
2. 6.0 JDK Modules
3. 6.0 JDK Modules com.sun
4. 6.0 JDK Modules com.sun.java
5. 6.0 JDK Modules sun
6. 6.0 JDK Platform
7. Ajax
8. Apache Harmony Java SE
9. Aspect oriented
10. Authentication Authorization
11. Blogger System
12. Build
13. Byte Code
14. Cache
15. Chart
16. Chat
17. Code Analyzer
18. Collaboration
19. Content Management System
20. Database Client
21. Database DBMS
22. Database JDBC Connection Pool
23. Database ORM
24. Development
25. EJB Server geronimo
26. EJB Server GlassFish
27. EJB Server JBoss 4.2.1
28. EJB Server resin 3.1.5
29. ERP CRM Financial
30. ESB
31. Forum
32. GIS
33. Graphic Library
34. Groupware
35. HTML Parser
36. IDE
37. IDE Eclipse
38. IDE Netbeans
39. Installer
40. Internationalization Localization
41. Inversion of Control
42. Issue Tracking
43. J2EE
44. JBoss
45. JMS
46. JMX
47. Library
48. Mail Clients
49. Net
50. Parser
51. PDF
52. Portal
53. Profiler
54. Project Management
55. Report
56. RSS RDF
57. Rule Engine
58. Science
59. Scripting
60. Search Engine
61. Security
62. Sevlet Container
63. Source Control
64. Swing Library
65. Template Engine
66. Test Coverage
67. Testing
68. UML
69. Web Crawler
70. Web Framework
71. Web Mail
72. Web Server
73. Web Services
74. Web Services apache cxf 2.0.1
75. Web Services AXIS2
76. Wiki Engine
77. Workflow Engines
78. XML
79. XML UI
Java
Java Tutorial
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
Java Source Code / Java Documentation » Net » Terracotta » com.tc.aspectwerkz.transform.inlining.weaver 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * All content copyright (c) 2003-2006 Terracotta, Inc., except as may otherwise be noted in a separate copyright notice.  All rights reserved.
003:         */
004:        package com.tc.aspectwerkz.transform.inlining.weaver;
005:
006:        import com.tc.asm.Opcodes;
007:        import com.tc.asm.ClassAdapter;
008:        import com.tc.asm.ClassVisitor;
009:        import com.tc.asm.MethodVisitor;
010:        import com.tc.asm.Type;
011:
012:        import com.tc.aspectwerkz.joinpoint.management.JoinPointType;
013:        import com.tc.aspectwerkz.transform.InstrumentationContext;
014:        import com.tc.aspectwerkz.transform.TransformationConstants;
015:        import com.tc.aspectwerkz.transform.TransformationUtil;
016:        import com.tc.aspectwerkz.transform.inlining.AsmHelper;
017:        import com.tc.aspectwerkz.transform.inlining.EmittedJoinPoint;
018:
019:        import java.util.List;
020:        import java.util.Iterator;
021:        import java.util.Set;
022:        import java.lang.reflect.Modifier;
023:
024:        /**
025:         * Adds field and method and ctor wrappers when there has been at least one joinpoint emitted.
026:         *
027:         * @author <a href="mailto:alex AT gnilux DOT com">Alexandre Vasseur</a>
028:         * @author <a href="mailto:jboner@codehaus.org">Jonas Bonér </a>
029:         */
030:        public class AddWrapperVisitor extends ClassAdapter implements  Opcodes,
031:                TransformationConstants {
032:
033:            private InstrumentationContext m_context;
034:
035:            private Set m_addedMethods;
036:
037:            public AddWrapperVisitor(ClassVisitor classVisitor,
038:                    InstrumentationContext context, Set alreadyAddedMethods) {
039:                super (classVisitor);
040:                m_context = (InstrumentationContext) context;
041:                m_addedMethods = alreadyAddedMethods;
042:            }
043:
044:            /**
045:             * Visits the class.
046:             *
047:             * @param access
048:             * @param name
049:             * @param signature
050:             * @param superName
051:             * @param interfaces
052:             */
053:            public void visit(final int version, final int access,
054:                    final String name, final String signature,
055:                    final String super Name, final String[] interfaces) {
056:                // iterate on the emitted joinpoints
057:                // we don't need to filter more since the joinpoint type and the weaving phase did that for us
058:                List jps = m_context.getEmittedJoinPoints();
059:                for (Iterator iterator = jps.iterator(); iterator.hasNext();) {
060:                    EmittedJoinPoint emittedJoinPoint = (EmittedJoinPoint) iterator
061:                            .next();
062:                    int jpType = emittedJoinPoint.getJoinPointType();
063:                    if (Modifier.isPublic(emittedJoinPoint
064:                            .getCalleeMemberModifiers())
065:                            || !name.equals(emittedJoinPoint
066:                                    .getCalleeClassName())) {//TODO ?
067:                        continue;
068:                    }
069:                    switch (jpType) {
070:                    case (JoinPointType.FIELD_GET_INT):
071:                        createGetFieldWrapperMethod(Modifier
072:                                .isStatic(emittedJoinPoint
073:                                        .getCalleeMemberModifiers()), name,
074:                                emittedJoinPoint.getCalleeMemberName(),
075:                                emittedJoinPoint.getCalleeMemberDesc(), null//TODO generic is that ok ?
076:                        );
077:                        break;
078:                    case (JoinPointType.FIELD_SET_INT):
079:                        createPutFieldWrapperMethod(Modifier
080:                                .isStatic(emittedJoinPoint
081:                                        .getCalleeMemberModifiers()), name,
082:                                emittedJoinPoint.getCalleeMemberName(),
083:                                emittedJoinPoint.getCalleeMemberDesc(), null//TODO generic is that ok ?
084:                        );
085:                        break;
086:                    case (JoinPointType.METHOD_EXECUTION_INT):
087:                    case (JoinPointType.METHOD_CALL_INT):
088:                        createMethodWrapperMethod(emittedJoinPoint
089:                                .getCalleeMemberModifiers(), name,
090:                                emittedJoinPoint.getCalleeMemberName(),
091:                                emittedJoinPoint.getCalleeMemberDesc(), null,//TODO generic is that ok ?
092:                                EMPTY_STRING_ARRAY//TODO should throw Throwable ??
093:                        );
094:                        break;
095:                    case (JoinPointType.CONSTRUCTOR_CALL_INT):
096:                    case (JoinPointType.CONSTRUCTOR_EXECUTION_INT):
097:                        createConstructorWrapperMethod(emittedJoinPoint
098:                                .getCalleeMemberModifiers(), name,
099:                                emittedJoinPoint.getCalleeMemberName(),
100:                                emittedJoinPoint.getCalleeMemberDesc(), null,//TODO generic is that ok ?
101:                                EMPTY_STRING_ARRAY//TODO should throw Throwable ??
102:                        );
103:                        break;
104:                    }
105:                }
106:
107:                super .visit(version, access, name, signature, super Name,
108:                        interfaces);
109:            }
110:
111:            /**
112:             * Creates a public wrapper method that delegates to the GETFIELD instruction of the non-public field.
113:             *
114:             * @param isStaticField
115:             * @param declaringTypeName
116:             * @param name
117:             * @param desc
118:             * @param signature
119:             */
120:            private void createGetFieldWrapperMethod(
121:                    final boolean isStaticField,
122:                    final String declaringTypeName, final String name,
123:                    final String desc, final String signature) {
124:                String wrapperName = TransformationUtil.getWrapperMethodName(
125:                        name, desc, declaringTypeName,
126:                        GETFIELD_WRAPPER_METHOD_PREFIX);
127:
128:                StringBuffer wsignature = new StringBuffer();
129:                wsignature.append('(');
130:                wsignature.append(')');
131:                wsignature.append(desc);
132:
133:                final String wrapperKey = AlreadyAddedMethodAdapter
134:                        .getMethodKey(wrapperName, wsignature.toString());
135:                if (m_addedMethods.contains(wrapperKey)) {
136:                    return;
137:                }
138:                m_addedMethods.add(wrapperKey);
139:
140:                int modifiers = ACC_SYNTHETIC;
141:                if (isStaticField) {
142:                    modifiers |= ACC_STATIC;
143:                }
144:
145:                MethodVisitor mv = cv.visitMethod(modifiers, wrapperName,
146:                        wsignature.toString(), signature, EMPTY_STRING_ARRAY);
147:
148:                if (isStaticField) {
149:                    mv.visitFieldInsn(GETSTATIC, declaringTypeName, name, desc);
150:                } else {
151:                    mv.visitVarInsn(ALOAD, 0);
152:                    mv.visitFieldInsn(GETFIELD, declaringTypeName, name, desc);
153:                }
154:
155:                AsmHelper.addReturnStatement(mv, Type.getType(desc));
156:                mv.visitMaxs(0, 0);
157:            }
158:
159:            /**
160:             * Creates a public wrapper method that delegates to the PUTFIELD instruction of the non-public field.
161:             * Static method if field is static (PUTSTATIC instr)
162:             *
163:             * @param isStaticField
164:             * @param declaringTypeName
165:             * @param name
166:             * @param desc
167:             * @param signature
168:             */
169:            private void createPutFieldWrapperMethod(boolean isStaticField,
170:                    final String declaringTypeName, final String name,
171:                    final String desc, final String signature) {
172:                String wrapperName = TransformationUtil.getWrapperMethodName(
173:                        name, desc, declaringTypeName,
174:                        PUTFIELD_WRAPPER_METHOD_PREFIX);
175:
176:                StringBuffer wsignature = new StringBuffer();
177:                wsignature.append('(');
178:                wsignature.append(desc);
179:                wsignature.append(')');
180:                wsignature.append('V');
181:
182:                final String wrapperKey = AlreadyAddedMethodAdapter
183:                        .getMethodKey(wrapperName, wsignature.toString());
184:                if (m_addedMethods.contains(wrapperKey)) {
185:                    return;
186:                }
187:                m_addedMethods.add(wrapperKey);
188:
189:                int modifiers = ACC_SYNTHETIC;
190:                if (isStaticField) {
191:                    modifiers |= ACC_STATIC;
192:                }
193:
194:                MethodVisitor mv = cv.visitMethod(modifiers, wrapperName,
195:                        wsignature.toString(), signature, EMPTY_STRING_ARRAY);
196:
197:                Type fieldType = Type.getType(desc);
198:                if (isStaticField) {
199:                    AsmHelper.loadArgumentTypes(mv, new Type[] { fieldType },
200:                            true);
201:                    mv.visitFieldInsn(PUTSTATIC, declaringTypeName, name, desc);
202:                } else {
203:                    mv.visitVarInsn(ALOAD, 0);
204:                    AsmHelper.loadArgumentTypes(mv, new Type[] { fieldType },
205:                            false);
206:                    mv.visitFieldInsn(PUTFIELD, declaringTypeName, name, desc);
207:                }
208:
209:                AsmHelper.addReturnStatement(mv, Type.VOID_TYPE);
210:                mv.visitMaxs(0, 0);
211:            }
212:
213:            /**
214:             * Creates a public wrapper method that delegates to the non-public target method.
215:             *
216:             * @param access
217:             * @param declaringTypeName
218:             * @param name
219:             * @param desc
220:             * @param signature
221:             * @param exceptions
222:             */
223:            private void createMethodWrapperMethod(final int access,
224:                    final String declaringTypeName, final String name,
225:                    final String desc, final String signature,
226:                    final String[] exceptions) {
227:                final String wrapperName = TransformationUtil
228:                        .getWrapperMethodName(name, desc, declaringTypeName,
229:                                INVOKE_WRAPPER_METHOD_PREFIX);
230:
231:                final String wrapperKey = AlreadyAddedMethodAdapter
232:                        .getMethodKey(wrapperName, desc);
233:                if (m_addedMethods.contains(wrapperKey)) {
234:                    return;
235:                }
236:                m_addedMethods.add(wrapperKey);
237:
238:                int modifiers = ACC_SYNTHETIC;
239:                if (Modifier.isStatic(access)) {
240:                    modifiers |= ACC_STATIC;
241:                }
242:
243:                MethodVisitor mv = super .visitMethod(modifiers, wrapperName,
244:                        desc, signature, exceptions);
245:
246:                if (Modifier.isStatic(access)) {
247:                    AsmHelper.loadArgumentTypes(mv,
248:                            Type.getArgumentTypes(desc), Modifier
249:                                    .isStatic(access));
250:                    mv.visitMethodInsn(INVOKESTATIC, declaringTypeName, name,
251:                            desc);
252:                } else {
253:                    mv.visitVarInsn(ALOAD, 0);
254:                    AsmHelper.loadArgumentTypes(mv,
255:                            Type.getArgumentTypes(desc), Modifier
256:                                    .isStatic(access));
257:                    mv.visitMethodInsn(INVOKEVIRTUAL, declaringTypeName, name,
258:                            desc);
259:                }
260:
261:                AsmHelper.addReturnStatement(mv, Type.getReturnType(desc));
262:
263:                mv.visitMaxs(0, 0);
264:            }
265:
266:            /**
267:             * Creates a public wrapper static method that delegates to the non-public target ctor.
268:             *
269:             * @param access
270:             * @param declaringTypeName
271:             * @param name
272:             * @param desc
273:             * @param signature
274:             * @param exceptions
275:             */
276:            private void createConstructorWrapperMethod(final int access,
277:                    final String declaringTypeName, final String name,
278:                    final String desc, final String signature,
279:                    final String[] exceptions) {
280:                final String wrapperName = TransformationUtil
281:                        .getWrapperMethodName(name, desc, declaringTypeName,
282:                                INVOKE_WRAPPER_METHOD_PREFIX);
283:
284:                final String wrapperKey = AlreadyAddedMethodAdapter
285:                        .getMethodKey(wrapperName, desc);
286:                if (m_addedMethods.contains(wrapperKey)) {
287:                    return;
288:                }
289:                m_addedMethods.add(wrapperKey);
290:
291:                int modifiers = ACC_SYNTHETIC;
292:                modifiers |= ACC_STATIC;
293:
294:                Type declaringType = Type
295:                        .getType('L' + declaringTypeName + ';');
296:                String ctorDesc = Type.getMethodDescriptor(declaringType, Type
297:                        .getArgumentTypes(desc));
298:
299:                MethodVisitor mv = super .visitMethod(modifiers, wrapperName,
300:                        ctorDesc, signature, exceptions);
301:
302:                mv.visitTypeInsn(NEW, declaringTypeName);
303:                mv.visitInsn(DUP);
304:                AsmHelper.loadArgumentTypes(mv, Type.getArgumentTypes(desc),
305:                        true);
306:                mv
307:                        .visitMethodInsn(INVOKESPECIAL, declaringTypeName,
308:                                name, desc);
309:                AsmHelper.addReturnStatement(mv, declaringType);
310:
311:                mv.visitMaxs(0, 0);
312:            }
313:
314:        }
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.