try {
return DocumentBuilderFactory.newInstance().newDocumentBuilder();
} catch (Exception exc) {
throw new ExceptionInInitializerError(exc);
}
try {
messageDigest = MessageDigest.getInstance(algorithm);
} catch (NoSuchAlgorithmException noalgo) {
throw new BuildException(noalgo);
}
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/XmlLogger.java
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File path: /apache-ant-1.7.0/src/org/apache/tools/ant/types/selectors/modifiedselector/DigestAlgorithm.java
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Method name: DocumentBuilder getDocumentBuilder()
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Method name: void initMessageDigest()
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Number of AST nodes: 2
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Number of AST nodes: 2
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1 | try {↵ | | 1 | try {↵
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2 | return DocumentBuilderFactory.newInstance().newDocumentBuilder();↵ | | 2 | messageDigest = MessageDigest.getInstance(algorithm);↵
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3 | } catch (Exception exc) {↵ | | 3 | } catch (↵
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| | | 4 | NoSuchAlgorithmException noalgo) {↵
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4 | throw new ExceptionInInitializerError(exc);↵ | | 5 | throw new BuildException↵
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| | | 6 | (noalgo);↵
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5 | } | | 7 | }
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See real code fragment |
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See real code fragment |
Summary
Number of common nesting structure subtrees | 1 |
Number of refactorable cases | 0 |
Number of non-refactorable cases | 1 |
Time elapsed for finding largest common nesting structure subtrees (ms) | 0.2 |
Clones location | Clones are in different classes |
Number of node comparisons | 4 |
-
{Non-refactorable}
Mapping Summary
Number of mapped statements | 1 |
Number of unmapped statements in the first code fragment | 1 |
Number of unmapped statements in the second code fragment | 1 |
Time elapsed for statement mapping (ms) | 0.5 |
Clone type | Type 2 |
Mapped Statements
ID |
Statement |
|
ID |
Statement |
1 | try | | 6 | try |
2 | return DocumentBuilderFactory.newInstance().newDocumentBuilder(); | | | |
| | | 7 | messageDigest = MessageDigest.getInstance(algorithm); |
Precondition Violations (2)
Row |
Violation |
1 | Unmatched return DocumentBuilderFactory.newInstance().newDocumentBuilder(); |
2 | Unmatched statement messageDigest=MessageDigest.getInstance(algorithm); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted |