|
1 |
| package net.sourceforge.pmd.rules; |
|
2 |
| |
|
3 |
| import java.util.Stack; |
|
4 |
| |
|
5 |
| import net.sourceforge.pmd.AbstractRule; |
|
6 |
| import net.sourceforge.pmd.ast.ASTClassOrInterfaceDeclaration; |
|
7 |
| import net.sourceforge.pmd.ast.ASTClassOrInterfaceType; |
|
8 |
| import net.sourceforge.pmd.ast.ASTEnumDeclaration; |
|
9 |
| import net.sourceforge.pmd.ast.ASTReferenceType; |
|
10 |
| import net.sourceforge.pmd.ast.ASTType; |
|
11 |
| import net.sourceforge.pmd.ast.ASTVariableDeclarator; |
|
12 |
| import net.sourceforge.pmd.ast.SimpleJavaNode; |
|
13 |
| import net.sourceforge.pmd.ast.SimpleNode; |
|
14 |
| |
|
15 |
| public class MoreThanOneLogger extends AbstractRule { |
|
16 |
| |
|
17 |
| private Stack stack = new Stack(); |
|
18 |
| |
|
19 |
| private Integer count; |
|
20 |
| |
|
21 |
4
| public Object visit(ASTClassOrInterfaceDeclaration node, Object data) {
|
|
22 |
4
| return init (node, data);
|
|
23 |
| } |
|
24 |
| |
|
25 |
0
| public Object visit(ASTEnumDeclaration node, Object data) {
|
|
26 |
0
| return init (node, data);
|
|
27 |
| } |
|
28 |
| |
|
29 |
4
| private Object init(SimpleJavaNode node, Object data) {
|
|
30 |
4
| stack.push(count);
|
|
31 |
4
| count = new Integer(0);
|
|
32 |
| |
|
33 |
4
| node.childrenAccept(this, data);
|
|
34 |
| |
|
35 |
4
| if (count.intValue() > 1) {
|
|
36 |
1
| addViolation(data, node);
|
|
37 |
| } |
|
38 |
4
| count = (Integer) stack.pop();
|
|
39 |
| |
|
40 |
4
| return data;
|
|
41 |
| } |
|
42 |
| |
|
43 |
5
| public Object visit(ASTVariableDeclarator node, Object data) {
|
|
44 |
5
| if (count.intValue() > 1) {
|
|
45 |
0
| return super.visit(node, data);
|
|
46 |
| } |
|
47 |
5
| SimpleNode type = (SimpleNode) ((SimpleNode) node.jjtGetParent()).getFirstChildOfType(ASTType.class);
|
|
48 |
5
| if (type != null) {
|
|
49 |
5
| SimpleNode reftypeNode = (SimpleNode) type.jjtGetChild(0);
|
|
50 |
5
| if (reftypeNode instanceof ASTReferenceType) {
|
|
51 |
5
| SimpleNode classOrIntType = (SimpleNode) reftypeNode.jjtGetChild(0);
|
|
52 |
5
| if (classOrIntType instanceof ASTClassOrInterfaceType && "Logger".equals(classOrIntType.getImage())) {
|
|
53 |
5
| count = new Integer(count.intValue()+1);
|
|
54 |
| } |
|
55 |
| } |
|
56 |
| } |
|
57 |
| |
|
58 |
5
| return super.visit(node, data);
|
|
59 |
| } |
|
60 |
| |
|
61 |
| } |