try { JUnitTest t = (JUnitTest) super.clone(); t.props = props == null ? null : (Properties) props.clone(); t.formatters = (Vector) formatters.clone(); return t; } catch (CloneNotSupportedException e) { // plain impossible return this; }
try { return DocumentBuilderFactory.newInstance().newDocumentBuilder(); } catch (Exception e) { throw new ExceptionInInitializerError(e); }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/junit/JUnitTest.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/EchoProperties.java
Method name: Object clone() Method name: DocumentBuilder getDocumentBuilder()
Number of AST nodes: 5 Number of AST nodes: 2
1
try {
1
try {
2
            JUnitTest t = (JUnitTest) super.clone();
2
            
3
            t.props = props == null ? null : (Properties) props.clone();
4
            t.formatters = (Vector) formatters.clone();
5
            return t;
6
        } catch (CloneNotSupportedException e) {
7
            // plain impossible
8
            return this
3
return DocumentBuilderFactory.newInstance().newDocumentBuilder();
4
        } catch (Exception e) {
9
;
5
            throw new ExceptionInInitializerError(e);
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)0.1
Clones locationClones are in different classes
Number of node comparisons1