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1
7 package org.jboss.cache.aop;
8
9
11 import org.jboss.aop.advice.Interceptor;
12 import org.jboss.aop.joinpoint.Invocation;
13 import org.jboss.aop.joinpoint.MethodInvocation;
14
15 import java.lang.reflect.Method  ;
16
17
21 public class MetricsInterceptor implements org.jboss.aop.advice.Interceptor
22 {
23
24 public MetricsInterceptor()
25 {
26 System.out.println("### MetricsInterceptor was created ####");
27 }
28
29 public String getName()
30 {
31 return "MetricsInterceptor";
32 }
33
34 public Object invoke(org.jboss.aop.joinpoint.Invocation invocation) throws Throwable
35 {
36 if (invocation == null) {
37 System.err.println("\n-- MetricsInterceptor: invocation is null !");
38 return null;
39 }
40
41 try {
42
43 System.out.println("*** MetricsInterceptor: inv=" + invocation);
44 org.jboss.aop.joinpoint.MethodInvocation methodInvocation = (org.jboss.aop.joinpoint.MethodInvocation) invocation;
45 Object [] args = methodInvocation.getArguments();
46 Method meth = methodInvocation.getMethod();
47 String method_name = meth != null ? meth.getName() : null;
48
49 System.out.println("\n\n-- [MetricsInterceptor]: type=" + invocation.getClass().getName());
50 if (method_name != null)
51 System.out.println("-- [MetricsInterceptor]: method_name("
52 + printArgs(args)
53 + ")");
54 } catch (Throwable t) {
55 System.err.println("\n-- [MetricsInterceptor]: error " + t);
56 throw t;
57 }
58
59 return invocation.invokeNext();
60 }
61
62 String printArgs(Object [] args)
63 {
64 StringBuffer sb = new StringBuffer ();
65 if (args != null) {
66 for (int i = 0; i < args.length; i++) {
67 Object arg = args[i];
68 sb.append(arg).append(" ");
69 }
70 }
71 return sb.toString();
72 }
73
74 }
75 |
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