if (builderFactory == null) { try { builderFactory = DocumentBuilderFactory.newInstance(); } catch (FactoryConfigurationError e) { throw new BuildException("Document builder factory has not " + "been configured correctly: " + e.getMessage(), e); } }
try { messageDigest = MessageDigest.getInstance(algorithm); } catch (NoSuchAlgorithmException noalgo) { throw new BuildException(noalgo, getLocation()); }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/util/JAXPUtils.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Checksum.java
Method name: DocumentBuilderFactory getDocumentBuilderFactory() Method name: boolean validateAndExecute()
Number of AST nodes: 3 Number of AST nodes: 2
1
if (builderFactory == null) {
2
            try {
3
                builderFactory = DocumentBuilderFactory.newInstance();
4
            } catch (FactoryConfigurationError e) {
5
                throw new BuildException("Document builder factory has not "
6
                                         + "been configured correctly: "
7
                                         + e.getMessage(), e
1
try {
2
                messageDigest = MessageDigest.getInstance(algorithm);
3
            } catch (NoSuchAlgorithmException noalgo) {
8
);
4
                throw new BuildException(noalgo, getLocation());
9
            }
5
    
10
        }
6
        }
Summary
Number of common nesting structure subtrees0
Number of refactorable cases0
Number of non-refactorable cases0
Time elapsed for finding largest common nesting structure subtrees (ms)0.2
Clones locationClones are in different classes
Number of node comparisons1