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.SimpleNode;
7 import net.sourceforge.pmd.stat.DataPoint;
8 import net.sourceforge.pmd.stat.StatisticalRule;
9
10 /***
11 * This is a common super class for things which
12 * have excessive length.
13 * <p/>
14 * i.e. LongMethod and LongClass rules.
15 * <p/>
16 * To implement an ExcessiveLength rule, you pass
17 * in the Class of node you want to check, and this
18 * does the rest for you.
19 */
20 public class ExcessiveLengthRule extends StatisticalRule {
21 private Class nodeClass;
22
23 public ExcessiveLengthRule(Class nodeClass) {
24 this.nodeClass = nodeClass;
25 }
26
27 public Object visit(SimpleNode node, Object data) {
28 if (nodeClass.isInstance(node)) {
29 DataPoint point = new DataPoint();
30 point.setLineNumber(node.getBeginLine());
31 point.setScore(1.0 * (node.getEndLine() - node.getBeginLine()));
32 point.setMessage(getMessage());
33 addDataPoint(point);
34 }
35
36 return node.childrenAccept(this, data);
37 }
38 }
39
40