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Java > Open Source Codes > org > jboss > aspects > asynchronous > aspects > jboss > TraceThreadAspect


1 /*
2   * JBoss, Home of Professional Open Source
3   * Copyright 2005, JBoss Inc., and individual contributors as indicated
4   * by the @authors tag. See the copyright.txt in the distribution for a
5   * full listing of individual contributors.
6   *
7   * This is free software; you can redistribute it and/or modify it
8   * under the terms of the GNU Lesser General Public License as
9   * published by the Free Software Foundation; either version 2.1 of
10   * the License, or (at your option) any later version.
11   *
12   * This software is distributed in the hope that it will be useful,
13   * but WITHOUT ANY WARRANTY; without even the implied warranty of
14   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15   * Lesser General Public License for more details.
16   *
17   * You should have received a copy of the GNU Lesser General Public
18   * License along with this software; if not, write to the Free
19   * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20   * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21   */

22
23 package org.jboss.aspects.asynchronous.aspects.jboss;
24
25 import org.jboss.logging.Logger;
26 import org.jboss.aop.joinpoint.MethodInvocation;
27
28 import java.text.SimpleDateFormat JavaDoc;
29 import java.util.Date JavaDoc;
30
31 /**
32  * @author <a HREF="mailto:chussenet@yahoo.com">{Claude Hussenet Independent Consultant}</a>.
33  * @version <tt>$Revision: 37406 $</tt>
34  */

35
36 public class TraceThreadAspect
37 {
38
39    static private final Logger log = Logger.getLogger(TraceThreadAspect.class);
40
41    static private SimpleDateFormat JavaDoc formatter =
42
43    new SimpleDateFormat JavaDoc("hh:mm:ss:SSS aaa z");
44
45    public TraceThreadAspect() {}
46
47    public Object JavaDoc trace(MethodInvocation methodInvocation) throws Throwable JavaDoc
48    {
49
50       String JavaDoc className = null;
51
52       if (methodInvocation.getTargetObject() != null)
53
54          className = methodInvocation.getTargetObject().getClass().getName();
55
56       else
57
58          className = methodInvocation.getMethod().getDeclaringClass().getName();
59
60       StringBuffer JavaDoc txt =
61
62       new StringBuffer JavaDoc(Thread.currentThread().toString())
63
64       .append(" ")
65
66       .append(methodInvocation.getMethod().getReturnType().getName())
67
68       .append(" ")
69
70       .append(className)
71
72       .append(".")
73
74       .append(methodInvocation.getMethod().getName())
75
76       .append("(");
77
78       Class JavaDoc[] parameterTypes =
79
80       methodInvocation.getActualMethod().getParameterTypes();
81
82       for (int i = 0; i < parameterTypes.length; i++)
83       {
84
85          txt.append(parameterTypes[i].getName());
86
87          if (i + 1 < parameterTypes.length)
88
89             txt.append(",");
90
91       }
92
93       txt.append(")");
94
95       log.info(new StringBuffer JavaDoc("TRACE ENTER: ").append(getCurrentDate()).append(" ").append(txt));
96
97       Object JavaDoc rsp = methodInvocation.invokeNext();
98
99       log.info(new StringBuffer JavaDoc("TRACE EXIT: ").append(getCurrentDate()).append(" ").append(txt));
100
101       return rsp;
102
103    }
104
105    static public String JavaDoc getCurrentDate()
106    {
107
108       return formatter.format(new Date JavaDoc(System.currentTimeMillis()));
109
110    }
111
112 }
113
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