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    1   /**
    2    * BSD-style license; for more info see http://pmd.sourceforge.net/license.html
    3    */
    4   package net.sourceforge.pmd.lang.java.rule.naming;
    5
    6   import net.sourceforge.pmd.lang.java.ast.ASTClassOrInterfaceDeclaration;
    7   import net.sourceforge.pmd.lang.java.ast.ASTFieldDeclaration;
    8   import net.sourceforge.pmd.lang.java.rule.AbstractJavaRule;
    9
    10  public class AvoidFieldNameMatchingTypeNameRule extends AbstractJavaRule {
    11
    12      public Object visit(ASTClassOrInterfaceDeclaration node, Object data) {
    13          if (node.isInterface()) {
    14              return data;
    15          }
    16          return super.visit(node, data);
    17      }
    18
    19      public Object visit(ASTFieldDeclaration node, Object data) {
    20          ASTClassOrInterfaceDeclaration cl = node.getFirstParentOfType(ASTClassOrInterfaceDeclaration.class);
    21          if (cl != null && node.getVariableName().equalsIgnoreCase(cl.getImage())) {
    22              addViolation(data, node);
    23          }
    24          return data;
    25      }
    26  }