EnumFilter.java
/*******************************************************************************
* Copyright (c) 2009, 2024 Mountainminds GmbH & Co. KG and Contributors
* This program and the accompanying materials are made available under
* the terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*
* 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 MethodNode methodNode,
final IFilterContext context, final IFilterOutput output) {
if (isMethodFiltered(context.getClassName(),
context.getSuperClassName(), 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;
}
}