Interceptor


1   /**
2    * EasyBeans
3    * Copyright (C) 2006 Bull S.A.S.
4    * Contact: easybeans@objectweb.org
5    *
6    * This library is free software; you can redistribute it and/or
7    * modify it under the terms of the GNU Lesser General Public
8    * License as published by the Free Software Foundation; either
9    * version 2.1 of the License, or any later version.
10   *
11   * This library is distributed in the hope that it will be useful,
12   * but WITHOUT ANY WARRANTY; without even the implied warranty of
13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14   * Lesser General Public License for more details.
15   *
16   * You should have received a copy of the GNU Lesser General Public
17   * License along with this library; if not, write to the Free Software
18   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
19   * USA
20   *
21   * --------------------------------------------------------------------------
22   * $Id: Interceptor.java 450 2006-05-12 15:30:25Z benoitf $
23   * --------------------------------------------------------------------------
24   */
25  
26  package org.objectweb.easybeans.tests.enhancer.interceptors.business.bean;
27  
28  import java.util.Map  ;
29  
30  import javax.interceptor.AroundInvoke;
31  import javax.interceptor.InvocationContext;
32  
33  
34  /**
35   * Acts as an interceptor.
36   * @author Florent Benoit
37   */
38  public class Interceptor {
39  
40      /**
41       * @param invocationContext contains attributes of invocation
42       * @return method's invocation result
43       * @throws Exception if invocation fails
44       */
45      @AroundInvoke
46      @SuppressWarnings  ("unchecked")
47      public Object   outsideIntercepted(final InvocationContext invocationContext) throws Exception   {
48          Object   o = invocationContext.getTarget();
49  
50          if (o instanceof StatelessBean) {
51              StatelessBean bean = (StatelessBean) o;
52              bean.incrementOtherInterceptorCounter();
53          }
54  
55          // Add a key in the map
56          Map   contextData = invocationContext.getContextData();
57          contextData.put("KEY", "TEST");
58  
59          return invocationContext.proceed();
60      }
61  }
62
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