org.apache.geronimo.aspectj.AspectJLTWeaver.java Source code

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Here is the source code for org.apache.geronimo.aspectj.AspectJLTWeaver.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.geronimo.aspectj;

import org.apache.geronimo.gbean.GBeanInfo;
import org.apache.geronimo.gbean.GBeanInfoBuilder;
import org.apache.geronimo.gbean.GBeanLifecycle;
import org.apache.geronimo.j2ee.j2eeobjectnames.NameFactory;
import org.apache.geronimo.transformer.TransformerAgent;
import org.aspectj.weaver.loadtime.ClassPreProcessorAgentAdapter;

/**
 *
 * @version $Rev:$ $Date:$
 */
public class AspectJLTWeaver implements GBeanLifecycle {

    private ClassPreProcessorAgentAdapter classPreProcessorAgentAdapter;

    public void doStart() throws Exception {
        classPreProcessorAgentAdapter = new ClassPreProcessorAgentAdapter();
        TransformerAgent.addTransformer(classPreProcessorAgentAdapter);
    }

    public void doFail() {
        unregisterClassFileTransformer();
    }

    public void doStop() throws Exception {
        unregisterClassFileTransformer();
    }

    protected void unregisterClassFileTransformer() {
        if (null != classPreProcessorAgentAdapter) {
            TransformerAgent.removeTransformer(classPreProcessorAgentAdapter);
        }
    }

    public static final GBeanInfo GBEAN_INFO;

    static {
        GBeanInfoBuilder infoBuilder = GBeanInfoBuilder.createStatic(AspectJLTWeaver.class,
                GBeanInfoBuilder.DEFAULT_J2EE_TYPE);
        infoBuilder.setPriority(GBeanInfo.PRIORITY_CLASSLOADER);

        infoBuilder.setConstructor(new String[0]);

        GBEAN_INFO = infoBuilder.getBeanInfo();
    }

    public static GBeanInfo getGBeanInfo() {
        return GBEAN_INFO;
    }

}