CxfPlugin.java example

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pinpoint-master
/*
 * Copyright 2014 NAVER Corp.
 * Licensed 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 com.navercorp.pinpoint.plugin.cxf;

import java.security.ProtectionDomain;

import com.navercorp.pinpoint.bootstrap.instrument.InstrumentClass;
import com.navercorp.pinpoint.bootstrap.instrument.InstrumentException;
import com.navercorp.pinpoint.bootstrap.instrument.Instrumentor;
import com.navercorp.pinpoint.bootstrap.instrument.transformer.TransformCallback;
import com.navercorp.pinpoint.bootstrap.instrument.transformer.TransformTemplate;
import com.navercorp.pinpoint.bootstrap.instrument.transformer.TransformTemplateAware;
import com.navercorp.pinpoint.bootstrap.plugin.ProfilerPlugin;
import com.navercorp.pinpoint.bootstrap.plugin.ProfilerPluginSetupContext;

/**
 * @author barney
 *
 */
public class CxfPlugin implements ProfilerPlugin, TransformTemplateAware {

    private TransformTemplate transformTemplate;

    @Override
    public void setup(ProfilerPluginSetupContext context) {
        CxfPluginConfig config = new CxfPluginConfig(context.getConfig());

        if(config.isClientProfile()) {
            addCxfClient();
        }

    }

    private void addCxfClient() {
        transformTemplate.transform("org.apache.cxf.frontend.ClientProxy", new TransformCallback() {

            @Override
            public byte[] doInTransform(Instrumentor instrumentor, ClassLoader classLoader, String className,
                    Class<?> classBeingRedefined, ProtectionDomain protectionDomain, byte[] classfileBuffer)
                    throws InstrumentException {
                InstrumentClass target = instrumentor.getInstrumentClass(classLoader, className, classfileBuffer);

                target.getDeclaredMethod("invokeSync", "java.lang.reflect.Method", "org.apache.cxf.service.model.BindingOperationInfo", "java.lang.Object[]")
                    .addInterceptor("com.navercorp.pinpoint.plugin.cxf.interceptor.CxfClientInvokeSyncMethodInterceptor");

                return target.toBytecode();
            }
        });
    }

    @Override
    public void setTransformTemplate(TransformTemplate transformTemplate) {
        this.transformTemplate = transformTemplate;
    }
}