Clover coverage report - PMD - 3.9 Coverage timestamp: Tue Dec 19 2006 09:38:44 EST FRAMES NO FRAMES |
file stats: | LOC: | 37 |  | Methods: | 1
| NCLOC: | 28 |  | Classes: | 1
Source file | Conditionals | Statements | Methods | TOTAL
AvoidReassigningParameters.java | 100% | 100% | 100% | 100% |

1 |  | /**
2 |  | * BSD-style license; for more info see http://pmd.sourceforge.net/license.html
3 |  | */
4 |  | package net.sourceforge.pmd.rules;
5 |  |
6 |  | import java.util.Iterator;
7 |  | import java.util.List;
8 |  | import java.util.Map;
9 |  |
10 |  | import net.sourceforge.pmd.AbstractRule;
11 |  | import net.sourceforge.pmd.ast.ASTMethodDeclarator;
12 |  | import net.sourceforge.pmd.symboltable.NameOccurrence;
13 |  | import net.sourceforge.pmd.symboltable.VariableNameDeclaration;
14 |  |
15 |  | public class AvoidReassigningParameters extends AbstractRule {
16 |  |
17 | 11 | public Object visit(ASTMethodDeclarator node, Object data) {
18 | 11 | Map params = node.getScope().getVariableDeclarations();
19 | 11 | for (Iterator i = params.entrySet().iterator(); i.hasNext();) {
20 | 11 | Map.Entry entry = (Map.Entry) i.next();
21 |  |
22 | 11 | VariableNameDeclaration decl = (VariableNameDeclaration) entry.getKey();
23 | 11 | List usages = (List) entry.getValue();
24 | 11 | for (Iterator j = usages.iterator(); j.hasNext();) {
25 | 9 | NameOccurrence occ = (NameOccurrence) j.next();
26 | 9 | if ((occ.isOnLeftHandSide() || occ.isSelfAssignment()) &&
27 |  | occ.getNameForWhichThisIsAQualifier() == null &&
28 |  | (!decl.isArray() || occ.getLocation().jjtGetParent().jjtGetParent().jjtGetNumChildren() == 1))
29 |  | {
30 |  | // not an array or no primary suffix to access the array values
31 | 5 | addViolation(data, decl.getNode(), decl.getImage());
32 |  | }
33 |  | }
34 |  | }
35 | 11 | return super.visit(node, data);
36 |  | }
37 |  | }