| /* |
| * 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++; |
| } |
| } |