1 |
| package net.sourceforge.pmd.rules; |
2 |
| |
3 |
| import net.sourceforge.pmd.AbstractRule; |
4 |
| import net.sourceforge.pmd.ast.ASTCompilationUnit; |
5 |
| import net.sourceforge.pmd.ast.ASTName; |
6 |
| import net.sourceforge.pmd.ast.ASTPrimaryPrefix; |
7 |
| import net.sourceforge.pmd.symboltable.MethodScope; |
8 |
| |
9 |
| import java.util.HashSet; |
10 |
| import java.util.Set; |
11 |
| |
12 |
| public class AvoidCallingFinalize extends AbstractRule { |
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| |
14 |
| private Set checked = new HashSet(); |
15 |
| |
16 |
6
| public Object visit(ASTCompilationUnit acu, Object ctx) {
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17 |
6
| checked.clear();
|
18 |
6
| return super.visit(acu, ctx);
|
19 |
| } |
20 |
| |
21 |
2
| public Object visit(ASTName name, Object ctx) {
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22 |
2
| if (name.getImage() == null || !name.getImage().endsWith("finalize")) {
|
23 |
0
| return ctx;
|
24 |
| } |
25 |
2
| MethodScope meth = name.getScope().getEnclosingMethodScope();
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26 |
2
| if (meth.getName().equals("finalize")) {
|
27 |
0
| return ctx;
|
28 |
| } |
29 |
2
| if (checked.contains(meth)) {
|
30 |
0
| return ctx;
|
31 |
| } |
32 |
2
| checked.add(meth);
|
33 |
2
| addViolation(ctx, name);
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34 |
2
| return ctx;
|
35 |
| } |
36 |
| |
37 |
7
| public Object visit(ASTPrimaryPrefix pp, Object ctx) {
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38 |
7
| if (pp.getImage() == null || !pp.getImage().endsWith("finalize")) {
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39 |
4
| return super.visit(pp, ctx);
|
40 |
| } |
41 |
3
| MethodScope meth = pp.getScope().getEnclosingMethodScope();
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42 |
3
| if (meth.getName().equals("finalize")) {
|
43 |
2
| return super.visit(pp, ctx);
|
44 |
| } |
45 |
1
| if (checked.contains(meth)) {
|
46 |
0
| return super.visit(pp, ctx);
|
47 |
| } |
48 |
1
| checked.add(meth);
|
49 |
1
| addViolation(ctx, pp);
|
50 |
1
| return super.visit(pp, ctx);
|
51 |
| } |
52 |
| } |