try {
Path result = (Path) super.clone();
result.union = union == null ? union : (Union) union.clone();
return result;
} catch (CloneNotSupportedException e) {
throw new BuildException(e);
}
if (builderFactory == null) {
try {
builderFactory = DocumentBuilderFactory.newInstance();
} catch (FactoryConfigurationError e) {
throw new BuildException("Document builder factory has not "
+ "been configured correctly: "
+ e.getMessage(), e);
}
}
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/types/Path.java
|
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File path: /apache-ant-1.7.0/src/org/apache/tools/ant/util/JAXPUtils.java
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Method name: Object clone()
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|
Method name: DocumentBuilderFactory getDocumentBuilderFactory()
|
Number of AST nodes: 4
|
|
Number of AST nodes: 3
|
|
1 | try {↵ | | |
|
2 | Path result = (Path) super.clone();↵ | | |
|
3 | result.union = union == null ? union : (Union) union.clone();↵ | | |
|
4 | return result;↵ | | |
|
5 | } catch (CloneNotSupportedException↵ | | 1 | if (builderFactory == null) {↵
|
| | | 2 | try {↵
|
| | | 3 | builderFactory = DocumentBuilderFactory.newInstance();↵
|
6 | e) {↵ | | 4 | } catch (FactoryConfigurationError e) {↵
|
7 | throw new BuildException(e);↵ | | 5 | throw new BuildException("Document builder factory has not "↵
|
| | | 6 | + "been configured correctly: "↵
|
| | | 7 | + e.getMessage(), e);↵
|
| | | 8 | }↵
|
8 | } | | 9 | }
|
See real code fragment |
|
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 | 8 |
-
{Non-refactorable}
Mapping Summary
Number of mapped statements | 1 |
Number of unmapped statements in the first code fragment | 3 |
Number of unmapped statements in the second code fragment | 1 |
Time elapsed for statement mapping (ms) | 0.7 |
Clone type | Type 3 |
Mapped Statements
ID |
Statement |
|
ID |
Statement |
1 | try | | 2 | try |
2 | Path result = (Path)super.clone(); | | | |
| | | 3 | builderFactory = DocumentBuilderFactory.newInstance(); |
3 | result.union = union == null ? union : (Union)union.clone(); | | | |
4 | | | | |
Precondition Violations (2)
Row |
Violation |
1 | Unmatched statement Path result=(Path)super.clone(); 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 |
2 | Unmatched return result; |