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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 com.adobe.ac.pmd.rules.performance;
import com.adobe.ac.pmd.parser.IParserNode;
import com.adobe.ac.pmd.rules.core.ViolationPriority;
import com.adobe.ac.pmd.rules.core.thresholded.AbstractMaximizedAstFlexRule;
public class DeeplyNestedIfRule extends AbstractMaximizedAstFlexRule
{
private int ifLevel = 0;
/*
* (non-Javadoc)
* @seecom.adobe.ac.pmd.rules.core.thresholded.IThresholdedRule#
* getActualValueForTheCurrentViolation()
*/
public final int getActualValueForTheCurrentViolation()
{
return ifLevel;
}
/*
* (non-Javadoc)
* @see
* com.adobe.ac.pmd.rules.core.thresholded.IThresholdedRule#getDefaultThreshold
* ()
*/
public final int getDefaultThreshold()
{
return 2;
}
/*
* (non-Javadoc)
* @see com.adobe.ac.pmd.rules.core.AbstractFlexRule#getDefaultPriority()
*/
@Override
protected final ViolationPriority getDefaultPriority()
{
return ViolationPriority.NORMAL;
}
/*
* (non-Javadoc)
* @see
* com.adobe.ac.pmd.rules.core.AbstractAstFlexRule#visitElse(com.adobe.ac
* .pmd.parser.IParserNode)
*/
@Override
protected final void visitElse( final IParserNode ifNode )
{
beforeVisitingIfBlock();
super.visitElse( ifNode );
afterVisitingIfBlock( ifNode );
}
/*
* (non-Javadoc)
* @see
* com.adobe.ac.pmd.rules.core.AbstractAstFlexRule#visitFunction(com.adobe
* .ac.pmd.parser.IParserNode,
* com.adobe.ac.pmd.rules.core.AbstractAstFlexRule.FunctionType)
*/
@Override
protected final void visitFunction( final IParserNode ast,
final FunctionType type )
{
ifLevel = 0;
super.visitFunction( ast,
type );
}
/*
* (non-Javadoc)
* @see
* com.adobe.ac.pmd.rules.core.AbstractAstFlexRule#visitThen(com.adobe.ac
* .pmd.parser.IParserNode)
*/
@Override
protected final void visitThen( final IParserNode ifNode )
{
beforeVisitingIfBlock();
super.visitThen( ifNode );
afterVisitingIfBlock( ifNode );
}
private void afterVisitingIfBlock( final IParserNode ifNode )
{
ifLevel--;
if ( ifLevel >= getThreshold() )
{
addViolation( ifNode );
}
}
private void beforeVisitingIfBlock()
{
ifLevel++;
}
}