/*
* 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.bootstrap.instrument;
/**
* @author jaehong.kim
*
*/
public class ClassFilters {
private ClassFilters() {
}
public static final ClassFilter ACCEPT_ALL = new ClassFilter() {
@Override
public boolean accept(InstrumentClass clazz) {
return ACCEPT;
}
};
public static ClassFilter chain(ClassFilter... classFilters) {
return new ChainFilter(classFilters);
}
public static ClassFilter name(String... classNames) {
return new ClassNameFilter(classNames);
}
public static ClassFilter enclosingMethod(String methodName, String... parameterTypes) {
return new EnclosingMethodFilter(methodName, parameterTypes);
}
public static ClassFilter interfaze(String... interfaceNames) {
return new InterfaceFilter(interfaceNames);
}
private static final class ClassNameFilter implements ClassFilter {
private final String[] classNames;
public ClassNameFilter(String[] classNames) {
this.classNames = classNames;
}
@Override
public boolean accept(InstrumentClass clazz) {
if (classNames == null) {
return REJECT;
}
for (String className : classNames) {
if (className != null && className.equals(clazz.getName())) {
return ACCEPT;
}
}
return REJECT;
}
}
private static final class EnclosingMethodFilter implements ClassFilter {
private final String methodName;
private final String[] parameterTypes;
public EnclosingMethodFilter(String methodName, String[] parameterTypes) {
this.methodName = methodName;
this.parameterTypes = parameterTypes;
}
@Override
public boolean accept(InstrumentClass clazz) {
if (methodName == null) {
return REJECT;
}
return clazz.hasEnclosingMethod(methodName, parameterTypes);
}
}
private static final class InterfaceFilter implements ClassFilter {
private final String[] interfaceNames;
// interface names is 'or' condition.
public InterfaceFilter(String[] interfaceNames) {
this.interfaceNames = interfaceNames;
}
@Override
public boolean accept(InstrumentClass clazz) {
if (interfaceNames == null) {
return REJECT;
}
for (String interfaceName : interfaceNames) {
for (String name : clazz.getInterfaces()) {
if (name != null && name.equals(interfaceName)) {
return ACCEPT;
}
}
}
return REJECT;
}
}
private static final class ChainFilter implements ClassFilter {
private final ClassFilter[] classFilters;
public ChainFilter(ClassFilter[] classFilters) {
this.classFilters = classFilters;
}
@Override
public boolean accept(InstrumentClass clazz) {
if (classFilters == null) {
return REJECT;
}
for (ClassFilter classFilter : classFilters) {
if (classFilter == null || !classFilter.accept(clazz)) {
return REJECT;
}
}
return ACCEPT;
}
}
}