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1
16
17 package org.springframework.aop.aspectj;
18
19 import java.lang.reflect.Method  ;
20
21 import org.aspectj.lang.JoinPoint;
22 import org.aspectj.lang.ProceedingJoinPoint;
23 import org.aspectj.lang.Signature;
24 import org.aspectj.lang.reflect.MethodSignature;
25 import org.aspectj.lang.reflect.SourceLocation;
26 import org.aspectj.runtime.internal.AroundClosure;
27
28 import org.springframework.aop.ProxyMethodInvocation;
29 import org.springframework.util.Assert;
30
31
48 public class MethodInvocationProceedingJoinPoint implements ProceedingJoinPoint, JoinPoint.StaticPart {
49
50 private final ProxyMethodInvocation methodInvocation;
51
52 private Object [] defensiveCopyOfArgs;
53
54
55 private Signature signature;
56
57
58 private SourceLocation sourceLocation;
59
60
61
66 public MethodInvocationProceedingJoinPoint(ProxyMethodInvocation methodInvocation) {
67 Assert.notNull(methodInvocation, "MethodInvocation must not be null");
68 this.methodInvocation = methodInvocation;
69 }
70
71 public void set$AroundClosure(AroundClosure aroundClosure) {
72 throw new UnsupportedOperationException ();
73 }
74
75 public Object proceed() throws Throwable {
76 return this.methodInvocation.invocableClone().proceed();
77 }
78
79 public Object proceed(Object [] arguments) throws Throwable {
80 return this.methodInvocation.invocableClone(arguments).proceed();
81 }
82
83
86 public Object getThis() {
87 return this.methodInvocation.getProxy();
88 }
89
90
93 public Object getTarget() {
94 return this.methodInvocation.getThis();
95 }
96
97 public Object [] getArgs() {
98 if (this.defensiveCopyOfArgs == null) {
99 Object [] argsSource = this.methodInvocation.getArguments();
100 this.defensiveCopyOfArgs = new Object [argsSource.length];
101 System.arraycopy(argsSource, 0, this.defensiveCopyOfArgs, 0, argsSource.length);
102 }
103 return this.defensiveCopyOfArgs;
104 }
105
106 public Signature getSignature() {
107 if (this.signature == null) {
108 this.signature = new MethodSignatureImpl();
109 }
110 return signature;
111 }
112
113 public SourceLocation getSourceLocation() {
114 if (this.sourceLocation == null) {
115 this.sourceLocation = new SourceLocationImpl();
116 }
117 return this.sourceLocation;
118 }
119
120 public String getKind() {
121 return ProceedingJoinPoint.METHOD_EXECUTION;
122 }
123
124 public JoinPoint.StaticPart getStaticPart() {
125 return this;
126 }
127
128
129 public String toShortString() {
130 return "execution(" + this.methodInvocation.getMethod().getName() + ")";
131 }
132
133 public String toLongString() {
134 return getClass().getName() + ": execution: [" + this.methodInvocation + "]";
135 }
136
137 public String toString() {
138 return getClass().getName() + ": " + toShortString();
139 }
140
141
142
145 private class MethodSignatureImpl implements Signature, MethodSignature {
146
147 public String toShortString() {
148 return methodInvocation.getMethod().getName();
149 }
150
151 public String toLongString() {
152 return methodInvocation.getMethod().toString();
153 }
154
155 public String getName() {
156 return methodInvocation.getMethod().getName();
157 }
158
159 public int getModifiers() {
160 return methodInvocation.getMethod().getModifiers();
161 }
162
163 public Class getDeclaringType() {
164 return methodInvocation.getMethod().getDeclaringClass();
165 }
166
167 public String getDeclaringTypeName() {
168 return methodInvocation.getMethod().getDeclaringClass().getName();
169 }
170
171 public Class getReturnType() {
172 return methodInvocation.getMethod().getReturnType();
173 }
174
175 public Method getMethod() {
176 return methodInvocation.getMethod();
177 }
178
179 public Class [] getParameterTypes() {
180 return methodInvocation.getMethod().getParameterTypes();
181 }
182
183 public String [] getParameterNames() {
184 throw new UnsupportedOperationException (
187 "Parameter names cannot be determined unless compiled by AspectJ compiler");
188 }
189
190 public Class [] getExceptionTypes() {
191 return methodInvocation.getMethod().getExceptionTypes();
192 }
193 }
194
195
196
199 private class SourceLocationImpl implements SourceLocation {
200
201 public Class getWithinType() {
202 if (methodInvocation.getThis() == null) {
203 throw new UnsupportedOperationException ("No source location joinpoint available: target is null");
204 }
205 return methodInvocation.getThis().getClass();
206 }
207
208 public String getFileName() {
209 throw new UnsupportedOperationException ();
210 }
211
212 public int getLine() {
213 throw new UnsupportedOperationException ();
214 }
215
216 public int getColumn() {
217 throw new UnsupportedOperationException ();
218 }
219 }
220
221 }
222 |
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