01: /**
02: * EasyBeans
03: * Copyright (C) 2006 Bull S.A.S.
04: * Contact: easybeans@ow2.org
05: *
06: * This library is free software; you can redistribute it and/or
07: * modify it under the terms of the GNU Lesser General Public
08: * License as published by the Free Software Foundation; either
09: * 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: StatelessOnlyAddMethodInterceptor.java 1970 2007-10-16 11:49:25Z benoitf $
23: * --------------------------------------------------------------------------
24: */package org.ow2.easybeans.examples.statelessbean;
25:
26: import java.lang.reflect.Method;
27:
28: import javax.interceptor.AroundInvoke;
29: import javax.interceptor.InvocationContext;
30:
31: /**
32: * Simple interceptor class which should be launched only on add method.
33: * @author Florent Benoit
34: */
35: public class StatelessOnlyAddMethodInterceptor {
36:
37: /**
38: * Another class interceptor.
39: * @param invocationContext contains attributes of invocation
40: * @return method's invocation result
41: * @throws Exception if invocation fails
42: */
43: @AroundInvoke
44: public Object onlyAdd(final InvocationContext invocationContext)
45: throws Exception {
46: System.out.println("Add interceptor");
47: Method m = invocationContext.getMethod();
48: // Checks the method name
49: if (m.getName().equals("add")) {
50: System.out.println("Applied on the correct method");
51: } else {
52: throw new Exception(
53: "Error, should be only on add method while it is applied on '"
54: + m.getName() + "' method.");
55: }
56: return invocationContext.proceed();
57: }
58:
59: }
|