jnr.ffi.provider.jffi.AsmClassLoader Maven / Gradle / Ivy
/*
* Copyright (C) 2008-2010 Wayne Meissner
*
* This file is part of the JNR project.
*
* 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 jnr.ffi.provider.jffi;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
@SuppressWarnings({ "rawtypes" })
final class AsmClassLoader extends ClassLoader {
private final ConcurrentMap definedClasses = new ConcurrentHashMap();
public AsmClassLoader() {
}
public AsmClassLoader(ClassLoader parent) {
super(parent);
}
public Class defineClass(String name, byte[] b) {
Class klass = defineClass(name, b, 0, b.length);
definedClasses.putIfAbsent(name, klass);
resolveClass(klass);
return klass;
}
@Override
protected Class findClass(String name) throws ClassNotFoundException {
Class klass = definedClasses.get(name);
if (klass != null) {
return klass;
}
return super.findClass(name);
}
}