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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.codesize;
5   
6   import net.sourceforge.pmd.lang.java.ast.ASTFormalParameter;
7   import net.sourceforge.pmd.lang.java.ast.ASTFormalParameters;
8   import net.sourceforge.pmd.lang.java.rule.design.ExcessiveNodeCountRule;
9   import net.sourceforge.pmd.util.NumericConstants;
10  
11  /**
12   * This rule detects an abnormally long parameter list.
13   * Note:  This counts Nodes, and not necessarily parameters,
14   * so the numbers may not match up.  (But topcount and sigma
15   * should work.)
16   */
17  public class ExcessiveParameterListRule extends ExcessiveNodeCountRule {
18      public ExcessiveParameterListRule() {
19          super(ASTFormalParameters.class);
20          setProperty(MINIMUM_DESCRIPTOR, 10d);
21      }
22  
23      // Count these nodes, but no others.
24      public Object visit(ASTFormalParameter node, Object data) {
25          return NumericConstants.ONE;
26      }
27  }