KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > jboss > aop > standalone > Agent


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.standalone;
23
24 import org.jboss.aop.AspectManager;
25 import org.jboss.aop.DynamicAOPStrategy;
26 import org.jboss.aop.HotSwapStrategy;
27
28 import java.lang.instrument.Instrumentation JavaDoc;
29
30 /**
31  * Comment
32  *
33  * @author <a HREF="mailto:bill@jboss.org">Bill Burke</a>
34  * @version $Revision: 46253 $
35  */
36 public class Agent
37 {
38
39    public static void premain(String JavaDoc agentArgs, Instrumentation JavaDoc inst)
40    {
41       StandaloneClassPoolFactory factory = new StandaloneClassPoolFactory();
42       AspectManager.setClassPoolFactory(factory);
43       // necessary for configuration
44 AspectManager.instance();
45       if (agentArgs != null && agentArgs.indexOf("-hotSwap") != -1)
46       {
47          // setting dynamic aop strategy: hot swap classes through InstrumentationAdapter
48 DynamicAOPStrategy strategy = new HotSwapStrategy(new InstrumentationAdapter(inst));
49          AspectManager.instance().setDynamicAOPStrategy(strategy);
50          AspectManager.setPrune(false); // no prune
51 }
52       inst.addTransformer(new AOPTransformer());
53    }
54 }
Popular Tags