/*******************************************************************************
* Copyright (c) 2009, 2017 Mountainminds GmbH & Co. KG and Contributors
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Evgeny Mandrikov - initial API and implementation
*
*******************************************************************************/
package org.jacoco.core.internal.analysis.filter;
import org.objectweb.asm.tree.MethodNode;
/**
* Filters methods <code>values</code> and <code>valueOf</code> that compiler
* creates for enums.
*/
public final class EnumFilter implements IFilter {
public void filter(final String className, final String superClassName,
final MethodNode methodNode, final IFilterOutput output) {
if (isMethodFiltered(className, superClassName, methodNode.name,
methodNode.desc)) {
output.ignore(methodNode.instructions.getFirst(),
methodNode.instructions.getLast());
}
}
private boolean isMethodFiltered(final String className,
final String superClassName, final String methodName,
final String methodDesc) {
if ("java/lang/Enum".equals(superClassName)) {
if ("values".equals(methodName)
&& ("()[L" + className + ";").equals(methodDesc)) {
return true;
}
if ("valueOf".equals(methodName)
&& ("(Ljava/lang/String;)L" + className + ";")
.equals(methodDesc)) {
return true;
}
}
return false;
}
}