/*
* Copyright (c) 2007 Mockito contributors
* This program is made available under the terms of the MIT License.
*/
package org.powermock.api.mockito.repackaged.cglib.transform.impl;
import org.powermock.api.mockito.repackaged.cglib.core.ClassGenerator;
import org.powermock.api.mockito.repackaged.cglib.core.DefaultGeneratorStrategy;
import org.powermock.api.mockito.repackaged.cglib.core.TypeUtils;
import org.powermock.api.mockito.repackaged.cglib.transform.ClassTransformer;
import org.powermock.api.mockito.repackaged.cglib.transform.MethodFilter;
import org.powermock.api.mockito.repackaged.cglib.transform.MethodFilterTransformer;
import org.powermock.api.mockito.repackaged.cglib.transform.TransformingClassGenerator;
/**
* A {@link org.powermock.api.mockito.repackaged.cglib.core.GeneratorStrategy} suitable for use with {@link org.powermock.api.mockito.repackaged.cglib.proxy.Enhancer} which
* causes all undeclared exceptions thrown from within a proxied method to be wrapped
* in an alternative exception of your choice.
*/
public class UndeclaredThrowableStrategy extends DefaultGeneratorStrategy {
private static final MethodFilter TRANSFORM_FILTER = new MethodFilter() {
public boolean accept(int access, String name, String desc, String signature, String[] exceptions) {
return !TypeUtils.isPrivate(access) && name.indexOf('$') < 0;
}
};
private ClassTransformer t;
/**
* Create a new instance of this strategy.
* @param wrapper a class which extends either directly or
* indirectly from <code>Throwable</code> and which has at least one
* constructor that takes a single argument of type
* <code>Throwable</code>, for example
* <code>java.lang.reflect.UndeclaredThrowableException.class</code>
*/
public UndeclaredThrowableStrategy(Class wrapper) {
t = new UndeclaredThrowableTransformer(wrapper);
t = new MethodFilterTransformer(TRANSFORM_FILTER, t);
}
protected ClassGenerator transform(ClassGenerator cg) throws Exception {
return new TransformingClassGenerator(cg, t);
}
}