/*
* 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.profiler.plugin.xml.transformer;
import java.lang.instrument.ClassFileTransformer;
import java.lang.instrument.IllegalClassFormatException;
import java.security.ProtectionDomain;
import com.navercorp.pinpoint.bootstrap.instrument.InstrumentException;
import com.navercorp.pinpoint.bootstrap.plugin.ProfilerPluginSetupContext;
import com.navercorp.pinpoint.exception.PinpointException;
/**
* @author Jongho Moon
*
*/
public abstract class BaseClassFileTransformer implements ClassFileTransformer {
private final ProfilerPluginSetupContext pluginContext;
public BaseClassFileTransformer(ProfilerPluginSetupContext pluginContext) {
this.pluginContext = pluginContext;
}
@Override
public byte[] transform(ClassLoader loader, String className, Class<?> classBeingRedefined, ProtectionDomain protectionDomain, byte[] classfileBuffer) throws IllegalClassFormatException {
try {
return transform(pluginContext, loader, className, classBeingRedefined, protectionDomain, classfileBuffer);
} catch (InstrumentException e) {
throw new PinpointException(e);
}
}
protected abstract byte[] transform(ProfilerPluginSetupContext context, ClassLoader loader, String className, Class<?> classBeingRedefined, ProtectionDomain protectionDomain, byte[] classfileBuffer) throws InstrumentException;
}