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Java > Open Source Codes > org > jboss > ejb3 > interceptor > EJB3InterceptorsInterceptor


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 package org.jboss.ejb3.interceptor;
23
24 import java.lang.reflect.Method JavaDoc;
25 import org.jboss.aop.advice.Interceptor;
26 import org.jboss.aop.joinpoint.Invocation;
27 import org.jboss.ejb3.EJBContainerInvocation;
28 import org.jboss.logging.Logger;
29
30 /**
31  * Comment
32  *
33  * @author <a HREF="mailto:bill@jboss.org">Bill Burke</a>
34  * @version $Revision: 55144 $
35  */
36 public class EJB3InterceptorsInterceptor implements Interceptor
37 {
38    protected static Logger log = Logger.getLogger(EJB3InterceptorsInterceptor.class);
39    private InterceptorInfo[] interceptorInfos;
40    private Method JavaDoc[] beanAroundInvokes;
41
42    public EJB3InterceptorsInterceptor(InterceptorInfo[] interceptorInfos, Method JavaDoc[] beanAroundInvokes)
43    {
44       this.interceptorInfos = interceptorInfos;
45       this.beanAroundInvokes = beanAroundInvokes;
46    }
47
48    public String JavaDoc getName()
49    {
50       return getClass().getName();
51    }
52
53    public Object JavaDoc invoke(Invocation invocation) throws Throwable JavaDoc
54    {
55       EJBContainerInvocation inv = (EJBContainerInvocation) invocation;
56                                 
57       //We need to do this every time to make sure we have interceptor instances corresponding
58 //to the bean instance
59 //TODO Cache this for non-stateful beans?
60 Object JavaDoc[] interceptors = inv.getBeanContext().getInterceptorInstances(interceptorInfos);
61       if (interceptors != null && interceptors.length == 0 && beanAroundInvokes != null && beanAroundInvokes.length == 0) return invocation.invokeNext();
62       InvocationContextImpl ctx = new InvocationContextImpl(inv, interceptorInfos, interceptors, beanAroundInvokes);
63       return ctx.proceed();
64    }
65
66 }
67
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