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.util;
  
  import net.sourceforge.pmd.lang.ast.Node;
  import net.sourceforge.pmd.lang.java.ast.ASTFieldDeclaration;
  import net.sourceforge.pmd.lang.java.ast.ASTMethodDeclaration;
  import net.sourceforge.pmd.lang.java.ast.ASTMethodDeclarator;
  import net.sourceforge.pmd.lang.java.ast.ASTVariableDeclaratorId;
  import net.sourceforge.pmd.lang.rule.AbstractRule;
  
  /**
   * @author caikang
   * @date 2017/01/14
   */
  public class ViolationUtils {
      public static void addViolationWithPrecisePosition(AbstractRule rule, Node node, Object data) {
          addViolationWithPrecisePosition(rule, node, data, null);
      }
  
      public static void addViolationWithPrecisePosition(AbstractRule rule, Node node, Object data,
          String message) {
          if (node instanceof ASTFieldDeclaration) {
              ASTVariableDeclaratorId variableDeclaratorId = node.getFirstDescendantOfType(ASTVariableDeclaratorId.class);
              addViolation(rule, variableDeclaratorId, data, message);
              return;
          }
          if (node instanceof ASTMethodDeclaration) {
              ASTMethodDeclarator declarator = node.getFirstChildOfType(ASTMethodDeclarator.class);
              addViolation(rule, declarator, data, message);
              return;
          }
          addViolation(rule, node, data, message);
      }
  
      private static void addViolation(AbstractRule rule, Node node, Object data, String message) {
          if (message == null) {
              rule.addViolation(data, node);
          } else {
              rule.addViolationWithMessage(data, node, message);
          }
      }
  }
  