1   /***************************************************************************************
2    * Copyright (c) Jonas Bon?r, Alexandre Vasseur. All rights reserved.                 *
3    * http://aspectwerkz.codehaus.org                                                    *
4    * ---------------------------------------------------------------------------------- *
5    * The software in this package is published under the terms of the LGPL license      *
6    * a copy of which has been included with this distribution in the license.txt file.  *
7    **************************************************************************************/
8   package test.rtti;
9   
10  import org.codehaus.aspectwerkz.joinpoint.JoinPoint;
11  import org.codehaus.aspectwerkz.joinpoint.MethodRtti;
12  import org.codehaus.aspectwerkz.joinpoint.Rtti;
13  
14  /***
15   * @author <a href="mailto:alex@gnilux.com">Alexandre Vasseur</a>
16   */
17  public class RttiTarget {
18  
19      public static StringBuffer LOG = new StringBuffer();
20  
21      private static int COUNT = 0;
22  
23      private static boolean NESTED = false;
24  
25      private final int m_id = ++COUNT;
26  
27      public void doSomething(int i) {
28          LOG.append(toString()).append(".").append(i).append(" ");
29          if (!NESTED) {
30              NESTED = true;
31              RttiTarget nested = new RttiTarget();
32              nested.doSomething(i + 1);
33          }
34      }
35  
36      public String toString() {
37          return "Target-" + m_id;
38      }
39  
40      /***
41       * This aspect within the target class allows testing of non side effect at system init time
42       */
43      public static class TestAspect {
44  
45          /***
46           * This field of type the target class allows testing of non side effect at system init time
47           */
48          public static RttiTarget ASPECT_Rtti_TARGET_EXECUTING_INSTANCE;
49  
50          /***
51           * This method using the type of the target class allows testing of non side effect at system init time
52           *
53           * NOT SUPPORTED IN 1.0
54           */
55          //public Target fake(Target target) {return null;}
56  
57          /***
58           * @param jp
59           * @return
60           * @throws Throwable
61           * @Around execution(* test.rtti.RttiTarget.doSomething(int))
62           */
63          public Object around(JoinPoint jp) throws Throwable {
64              Object target = jp.getTarget();
65              int arg0 = ((Integer) (((MethodRtti) jp.getRtti()).getParameterValues()[0])).intValue();
66              LOG.append("+").append(target.toString()).append(".").append(arg0).append(" ");
67  
68              Object ret = jp.proceed();
69  
70              Object targetAfter = jp.getTarget();
71              int arg0After = ((Integer) (((MethodRtti) jp.getRtti()).getParameterValues()[0])).intValue();
72              LOG.append("-").append(targetAfter.toString()).append(".").append(arg0After).append(" ");
73  
74              return ret;
75          }
76      }
77  
78  }
79