/*
* Copyright 2017 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;
import com.navercorp.pinpoint.bootstrap.config.ProfilerConfig;
import com.navercorp.pinpoint.bootstrap.instrument.DynamicTransformTrigger;
import com.navercorp.pinpoint.bootstrap.instrument.InstrumentContext;
import com.navercorp.pinpoint.bootstrap.instrument.matcher.Matcher;
import com.navercorp.pinpoint.bootstrap.instrument.matcher.Matchers;
import com.navercorp.pinpoint.bootstrap.instrument.transformer.TransformCallback;
import com.navercorp.pinpoint.profiler.util.JavaAssistUtils;
import java.lang.instrument.ClassFileTransformer;
import java.util.ArrayList;
import java.util.List;
/**
* @author Woonduk Kang(emeroad)
*/
public class ClassFileTransformerLoader {
private final ProfilerConfig profilerConfig;
private final DynamicTransformTrigger dynamicTransformTrigger;
private final List<ClassFileTransformer> classTransformers = new ArrayList<ClassFileTransformer>();
public ClassFileTransformerLoader(ProfilerConfig profilerConfig, DynamicTransformTrigger dynamicTransformTrigger) {
if (profilerConfig == null) {
throw new NullPointerException("profilerConfig must not be null");
}
if (dynamicTransformTrigger == null) {
throw new NullPointerException("dynamicTransformTrigger must not be null");
}
this.profilerConfig = profilerConfig;
this.dynamicTransformTrigger = dynamicTransformTrigger;
}
public void addClassFileTransformer(InstrumentContext instrumentContext, final String targetClassName, final TransformCallback transformCallback) {
if (targetClassName == null) {
throw new NullPointerException("targetClassName must not be null");
}
if (transformCallback == null) {
throw new NullPointerException("transformCallback must not be null");
}
final Matcher matcher = Matchers.newClassNameMatcher(JavaAssistUtils.javaNameToJvmName(targetClassName));
final MatchableClassFileTransformerGuardDelegate guard = new MatchableClassFileTransformerGuardDelegate(profilerConfig, instrumentContext, matcher, transformCallback);
classTransformers.add(guard);
}
public void addClassFileTransformer(InstrumentContext instrumentContext, ClassLoader classLoader, String targetClassName, final TransformCallback transformCallback) {
if (targetClassName == null) {
throw new NullPointerException("targetClassName must not be null");
}
if (transformCallback == null) {
throw new NullPointerException("transformCallback must not be null");
}
final ClassFileTransformerGuardDelegate classFileTransformerGuardDelegate = new ClassFileTransformerGuardDelegate(profilerConfig, instrumentContext, transformCallback);
this.dynamicTransformTrigger.addClassFileTransformer(classLoader, targetClassName, classFileTransformerGuardDelegate);
}
public List<ClassFileTransformer> getClassTransformerList() {
return classTransformers;
}
}