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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.rules.design;
5   
6   import net.sourceforge.pmd.ast.ASTFormalParameter;
7   import net.sourceforge.pmd.ast.ASTFormalParameters;
8   import net.sourceforge.pmd.util.NumericConstants;
9   
10  /**
11   * This rule detects an abnormally long parameter list.
12   * Note:  This counts Nodes, and not necessarily parameters,
13   * so the numbers may not match up.  (But topcount and sigma
14   * should work.)
15   */
16  // FUTURE Rename to ExcessiveParameterListRule
17  public class LongParameterListRule extends ExcessiveNodeCountRule {
18      public LongParameterListRule() {
19          super(ASTFormalParameters.class);
20      }
21  
22      // Count these nodes, but no others.
23      public Object visit(ASTFormalParameter node, Object data) {
24          return NumericConstants.ONE;
25      }
26  }