1 /***
2 * BSD-style license; for more info see http://pmd.sourceforge.net/license.html
3 */
4 package net.sourceforge.pmd.rules.strings;
5
6 import net.sourceforge.pmd.AbstractRule;
7 import net.sourceforge.pmd.ast.ASTVariableDeclaratorId;
8 import net.sourceforge.pmd.symboltable.NameOccurrence;
9
10 import java.util.Iterator;
11
12 public class StringToStringRule extends AbstractRule {
13
14 public Object visit(ASTVariableDeclaratorId node, Object data) {
15 if (!node.getNameDeclaration().getTypeImage().equals("String")) {
16 return data;
17 }
18 for (Iterator i = node.getUsages().iterator(); i.hasNext();) {
19 NameOccurrence occ = (NameOccurrence) i.next();
20 if (occ.getNameForWhichThisIsAQualifier() != null && occ.getNameForWhichThisIsAQualifier().getImage().indexOf("toString") != -1) {
21 addViolation(data, occ.getLocation());
22 }
23 }
24 return data;
25 }
26 }