/*
* Copyright 2010 Henry Coles
*
* 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 org.pitest.simpletest;
import org.pitest.classpath.ClassPath;
import org.pitest.mutationtest.execute.DefaultPITClassloader;
import org.pitest.util.IsolationUtils;
public class TransformingClassLoader extends DefaultPITClassloader {
private final Transformation transformation;
private final IsolationStrategy isolationStrategy;
public TransformingClassLoader(final Transformation transformation,
final IsolationStrategy isolationStrategy) {
this(new ClassPath(), transformation, isolationStrategy, IsolationUtils
.bootClassLoader());
}
public TransformingClassLoader(final ClassPath classPath,
final Transformation transformation,
final IsolationStrategy isolationStrategy, final ClassLoader parent) {
super(classPath, parent);
this.transformation = transformation;
this.isolationStrategy = isolationStrategy;
}
@Override
protected Class<?> defineClass(final String name, final byte[] bytes) {
final byte[] b = transform(name, bytes);
return defineClass(name, b, 0, b.length);
}
private byte[] transform(final String name, final byte[] bytes) {
if (this.isolationStrategy.shouldIsolate(name)) {
return this.transformation.transform(name, bytes);
} else {
return bytes;
}
}
}