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Java > Open Source Codes > org > jboss > aop > instrument > NonOptimizedConstructionTransformer


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.aop.instrument;
23
24 import javassist.CtConstructor;
25 import javassist.Modifier;
26
27 import org.jboss.aop.AspectManager;
28
29 /**
30  * Comment
31  *
32  * @author <a HREF="mailto:kabir.khan@jboss.org">Kabir Khan</a>
33  * @version $Revision$
34  */
35 public class NonOptimizedConstructionTransformer extends
36       ConstructionTransformer
37 {
38
39    public NonOptimizedConstructionTransformer(Instrumentor instrumentor)
40    {
41       super(instrumentor);
42    }
43
44    protected void insertInterception(CtConstructor constructor, int index) throws Exception JavaDoc
45    {
46       String JavaDoc args = "";
47       if (constructor.getParameterTypes().length > 0)
48       {
49          args = ", $args";
50       }
51       
52       String JavaDoc infoName = getConstructionInfoFieldName(constructor.getDeclaringClass().getSimpleName(), index);
53       
54       String JavaDoc code =
55          " " + constructionInfoFromWeakReference("info", infoName) +
56          " org.jboss.aop.advice.Interceptor[] interceptors = info.getInterceptors(); " +
57          " if (interceptors != (org.jboss.aop.advice.Interceptor[])null) " +
58          " { " +
59          " org.jboss.aop.joinpoint.ConstructionInvocation invocation = new org.jboss.aop.joinpoint.ConstructionInvocation(interceptors, " +
60          Instrumentor.HELPER_FIELD_NAME + ".getConstructors()[" + index + "]" + args + "); " +
61          " invocation.setAdvisor(" + Instrumentor.HELPER_FIELD_NAME + "); " +
62          " invocation.setTargetObject(this); " +
63          " invocation.invokeNext(); " +
64          " } ";
65       constructor.insertAfter(code, false);
66    }
67
68 }
69
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