1 package net.sourceforge.pmd.rules;
2
3 import net.sourceforge.pmd.AbstractRule;
4 import net.sourceforge.pmd.RuleContext;
5 import net.sourceforge.pmd.ast.ASTLocalVariableDeclaration;
6 import net.sourceforge.pmd.ast.ASTVariableDeclaratorId;
7 import net.sourceforge.pmd.symboltable.VariableNameDeclaration;
8
9 import java.text.MessageFormat;
10 import java.util.Iterator;
11
12 public class UnusedLocalVariableRule extends AbstractRule {
13 public Object visit(ASTVariableDeclaratorId node, Object data) {
14 if (node.jjtGetParent().jjtGetParent() instanceof ASTLocalVariableDeclaration) {
15 RuleContext ctx = (RuleContext) data;
16 for (Iterator i = node.getScope().getVariableDeclarations(false).keySet().iterator(); i.hasNext();) {
17 VariableNameDeclaration decl = (VariableNameDeclaration) i.next();
18 ctx.getReport().addRuleViolation(createRuleViolation(ctx, decl.getLine(), MessageFormat.format(getMessage(), new Object[]{decl.getImage()})));
19 }
20 }
21 return data;
22 }
23 }
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