|
1
25
26 package org.objectweb.easybeans.tests.enhancer.interceptors.business.bean;
27
28 import java.lang.reflect.Method  ;
29 import java.util.Map ;
30
31 import javax.interceptor.AroundInvoke;
32 import javax.interceptor.InvocationContext;
33
34
38 public class SingleMethodInterceptor {
39
40
47 @AroundInvoke
48 public Object onlySingleMethod(final InvocationContext invocationContext) throws Exception {
49 Method m = invocationContext.getMethod();
50 if (!m.getName().equals("singleMethodIntercepted")) {
52 throw new Exception ("Interceptor should only be called on a single method");
53 }
54
55 Object o = invocationContext.getTarget();
57 if (o instanceof StatelessBean) {
58 StatelessBean bean = (StatelessBean) o;
59 bean.incrementSingleMethodInterceptedCounter();
60 } else {
61 throw new Exception ("Bean is not a stateless bean");
62 }
63
64 Map contextData = invocationContext.getContextData();
66 Object obj = contextData.get("KEY");
67 if (obj == null) {
68 throw new Exception ("Objects are not propagated in the Map ContextData");
69 }
70 if (obj instanceof String ) {
71 String value = (String ) obj;
72 if (!value.equals("TEST")) {
73 throw new Exception ("Object value has been changed in the map ContextData.");
74 }
75 } else {
76 throw new Exception ("Object type has been changed in the map ContextData.");
77 }
78
79 return invocationContext.proceed();
80 }
81
82 }
83 |
Popular Tags |
Java API By Example, From Geeks To Geeks.