try {
reg.setPattern(from);
} catch (NoClassDefFoundError e) {
// depending on the implementation the actual RE won't
// get instantiated in the constructor.
throw new BuildException("Cannot load regular expression matcher",
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/util/RegexpPatternMapper.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: void setFrom(String)
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Method name: DocumentBuilderFactory getDocumentBuilderFactory()
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Number of AST nodes: 2
|
|
Number of AST nodes: 3
|
|
1 | try {↵ | | |
|
2 | reg.setPattern(from↵ | | 1 | if (builderFactory == null) {↵
|
| | | 2 | try {↵
|
3 | );↵ | | 3 | builderFactory = DocumentBuilderFactory.newInstance();↵
|
4 | } catch (NoClassDefFoundError e) {↵ | | 4 | } catch (FactoryConfigurationError e) {↵
|
5 | // depending on the implementation the actual RE won't↵ | | 5 | ↵
|
6 | // get instantiated in the constructor.↵ | | |
|
7 | throw new BuildException("Cannot load regular expression matcher",↵ | | |
|
8 | e);↵ | | 6 | throw new BuildException("Document builder factory has not "↵
|
| | | 7 | + "been configured correctly: "↵
|
| | | 8 | + e.getMessage(), e);↵
|
| | | 9 | }↵
|
9 | } | | 10 | }
|
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 | 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) | 0.6 |
Clone type | Type 2 |
Mapped Statements
ID |
Statement |
|
ID |
Statement |
1 | try | | 2 | try |
2 | | | | |
| | | 3 | builderFactory = DocumentBuilderFactory.newInstance(); |
Precondition Violations (1)
Row |
Violation |
1 | Unmatched statement reg.setPattern(from); 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 |