try { SysProperties c = (SysProperties) super.clone(); c.variables = (Vector) variables.clone(); c.propertySets = (Vector) propertySets.clone(); return c; } catch (CloneNotSupportedException e) { return null; }
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/CommandlineJava.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/util/JAXPUtils.java
Method name: Object clone() Method name: DocumentBuilderFactory getDocumentBuilderFactory()
Number of AST nodes: 5 Number of AST nodes: 3
1
try {
2
                SysProperties c = (SysProperties) super.clone();
3
                c.variables = (Vector) variables.clone();
4
                c.propertySets = (Vector) propertySets.clone();
1
if (builderFactory == null) {
2
            try {
3
                builderFactory = DocumentBuilderFactory.newInstance();
4
            } catch (FactoryConfigurationError e) {
5
                throw new BuildException("Document builder factory has not "
5
                return c;
6
                
6
            } catch (CloneNotSupportedException e) {
7
                       
7
                return null
8
  + "been configured correctly: "
8
;
9
                                         + e.getMessage(), e);
9
            }
10
            }
11
        }
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