FlexPMD/flex-pmd-java/flex-pmd-ruleset/src/main/java/com/adobe/ac/pmd/rules/empty/EmptyIfStmtRule.java

/*
 * 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.empty;

import com.adobe.ac.pmd.parser.IParserNode;
import com.adobe.ac.pmd.rules.core.ViolationPriority;

public class EmptyIfStmtRule extends AbstractEmptyBlockRule
{
   /*
    * (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#visitIf(com.adobe.ac.pmd
    * .parser.IParserNode)
    */
   @Override
   protected final void visitIf( final IParserNode ast )
   {
      super.visitIf( ast );

      if ( isBlockEmpty( ast.getChild( 1 ) ) )
      {
         addViolation( ast );
      }
   }
}