content: /*
   * Copyright 1999-2017 Alibaba Group.
   *
   * Licensed 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.alibaba.p3c.pmd.lang.java.rule.exception;
  
  import com.alibaba.p3c.pmd.I18nResources;
  import com.alibaba.p3c.pmd.lang.AbstractXpathRule;
  import com.alibaba.p3c.pmd.lang.java.util.ViolationUtils;
  
  import net.sourceforge.pmd.lang.ast.Node;
  
  /**
   * [Mandatory] Never use return within a finally block.
   * A return statement in a finally block will cause exception or result
   * in a discarded return value in the try-catch block.
   * 
   * @author zenghou.fw
   * @date 2017/03/29
   */
  public class AvoidReturnInFinallyRule extends AbstractXpathRule {
      private static final String XPATH = "//FinallyStatement//ReturnStatement";
  
      public AvoidReturnInFinallyRule() {
          setXPath(XPATH);
      }
  
      @Override
      public void addViolation(Object data, Node node, String arg) {
          ViolationUtils.addViolationWithPrecisePosition(this, node, data,
              I18nResources.getMessage("java.exception.AvoidReturnInFinallyRule.violation.msg"));
      }
  }
  