1
22
23 package com.liferay.portal.spring.aop;
24
25 import com.liferay.portal.kernel.log.Log;
26 import com.liferay.portal.kernel.log.LogFactoryUtil;
27 import com.liferay.portal.kernel.util.InitialThreadLocal;
28
29 import java.lang.reflect.InvocationTargetException;
30 import java.lang.reflect.Method;
31
32 import java.util.Map;
33 import java.util.concurrent.ConcurrentHashMap;
34
35 import org.aspectj.lang.ProceedingJoinPoint;
36 import org.aspectj.lang.reflect.MethodSignature;
37
38
43 public class ServiceHookAdvice {
44
45 public static Object getService(String className) {
46 return _services.get(className);
47 }
48
49 public static void setService(String className, Object service) {
50 if (_log.isDebugEnabled()) {
51 if (service == null) {
52 _log.debug("Remove service hook " + className);
53 }
54 else {
55 _log.debug(
56 "Add service hook " + className + " " +
57 service.getClass().getName());
58 }
59 }
60
61 if (service == null) {
62 _services.remove(className);
63 }
64 else {
65 _services.put(className, service);
66 }
67 }
68
69 public Object invoke(ProceedingJoinPoint proceedingJoinPoint)
70 throws Throwable {
71
72 if (_immediatelyProceed.get()) {
73
74
77 _immediatelyProceed.set(Boolean.FALSE);
78
79 return proceedingJoinPoint.proceed();
80 }
81
82 MethodSignature methodSignature =
83 (MethodSignature)proceedingJoinPoint.getSignature();
84
85 String className = methodSignature.getDeclaringTypeName();
86
87 Object service = _services.get(className);
88
89 if (service == null) {
90 return proceedingJoinPoint.proceed();
91 }
92
93 _immediatelyProceed.set(Boolean.TRUE);
94
95 try {
96 Method method = methodSignature.getMethod();
97
98 return method.invoke(service, proceedingJoinPoint.getArgs());
99 }
100 catch (InvocationTargetException ite) {
101 throw ite.getTargetException();
102 }
103 finally {
104 _immediatelyProceed.remove();
105 }
106 }
107
108 private static Log _log = LogFactoryUtil.getLog(ServiceHookAdvice.class);
109
110 private static ThreadLocal<Boolean> _immediatelyProceed =
111 new InitialThreadLocal<Boolean>(false);
112 private static Map<String, Object> _services =
113 new ConcurrentHashMap<String, Object>();
114
115 }