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EasyMock provides an easy way to create Mock Objects for interfaces and classes generating them on the fly
/*
* Copyright 2003 The Apache Software Foundation
*
* 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.easymock.cglib.core;
import org.easymock.asm.ClassWriter;
public class DefaultGeneratorStrategy implements GeneratorStrategy {
public static final DefaultGeneratorStrategy INSTANCE = new DefaultGeneratorStrategy();
public byte[] generate(ClassGenerator cg) throws Exception {
DebuggingClassWriter cw = getClassVisitor();
transform(cg).generateClass(cw);
return transform(cw.toByteArray());
}
protected DebuggingClassWriter getClassVisitor() throws Exception {
return new DebuggingClassWriter(ClassWriter.COMPUTE_MAXS);
}
protected final ClassWriter getClassWriter() {
// Cause compile / runtime errors for people who implemented the old
// interface without using @Override
throw new UnsupportedOperationException("You are calling " +
"getClassWriter, which no longer exists in this cglib version.");
}
protected byte[] transform(byte[] b) throws Exception {
return b;
}
protected ClassGenerator transform(ClassGenerator cg) throws Exception {
return cg;
}
}