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| package net.sourceforge.pmd.rules; |
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| |
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| import java.util.Stack; |
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| |
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| import net.sourceforge.pmd.AbstractRule; |
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| import net.sourceforge.pmd.ast.ASTClassOrInterfaceDeclaration; |
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| import net.sourceforge.pmd.ast.ASTClassOrInterfaceType; |
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| import net.sourceforge.pmd.ast.ASTEnumDeclaration; |
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| import net.sourceforge.pmd.ast.ASTReferenceType; |
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| import net.sourceforge.pmd.ast.ASTType; |
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| import net.sourceforge.pmd.ast.ASTVariableDeclarator; |
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| import net.sourceforge.pmd.ast.SimpleJavaNode; |
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| import net.sourceforge.pmd.ast.SimpleNode; |
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| |
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| public class MoreThanOneLogger extends AbstractRule { |
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| |
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| private Stack stack = new Stack(); |
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| |
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| private Integer count; |
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| |
21 |
4
| public Object visit(ASTClassOrInterfaceDeclaration node, Object data) {
|
22 |
4
| return init (node, data);
|
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| } |
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| |
25 |
0
| public Object visit(ASTEnumDeclaration node, Object data) {
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26 |
0
| return init (node, data);
|
27 |
| } |
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| |
29 |
4
| private Object init(SimpleJavaNode node, Object data) {
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4
| stack.push(count);
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31 |
4
| count = new Integer(0);
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32 |
| |
33 |
4
| node.childrenAccept(this, data);
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| |
35 |
4
| if (count.intValue() > 1) {
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36 |
1
| addViolation(data, node);
|
37 |
| } |
38 |
4
| count = (Integer) stack.pop();
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| |
40 |
4
| return data;
|
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| } |
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| |
43 |
5
| public Object visit(ASTVariableDeclarator node, Object data) {
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44 |
5
| if (count.intValue() > 1) {
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45 |
0
| return super.visit(node, data);
|
46 |
| } |
47 |
5
| SimpleNode type = (SimpleNode) ((SimpleNode) node.jjtGetParent()).getFirstChildOfType(ASTType.class);
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48 |
5
| if (type != null) {
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49 |
5
| SimpleNode reftypeNode = (SimpleNode) type.jjtGetChild(0);
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50 |
5
| if (reftypeNode instanceof ASTReferenceType) {
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51 |
5
| SimpleNode classOrIntType = (SimpleNode) reftypeNode.jjtGetChild(0);
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52 |
5
| if (classOrIntType instanceof ASTClassOrInterfaceType && "Logger".equals(classOrIntType.getImage())) {
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53 |
5
| count = new Integer(count.intValue()+1);
|
54 |
| } |
55 |
| } |
56 |
| } |
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| |
58 |
5
| return super.visit(node, data);
|
59 |
| } |
60 |
| |
61 |
| } |