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Java > Open Source Codes > BillingInterceptor


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 import org.jboss.aop.joinpoint.Invocation;
23 import org.jboss.aop.advice.Interceptor;
24
25 /**
26  *
27  * @author <a HREF="mailto:bill@jboss.org">Bill Burke</a>
28  * @version $Revision: 37406 $
29  */
30 public class BillingInterceptor implements Interceptor
31 {
32    public String JavaDoc getName() { return "BillingInterceptor"; }
33
34    public Object JavaDoc invoke(Invocation invocation) throws Throwable JavaDoc
35    {
36       System.out.println("billing amount: $" + invocation.getMetaData("billable", "amount"));
37       return invocation.invokeNext();
38    }
39 }
40
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