if (nsParserFactory == null) { nsParserFactory = newParserFactory(); nsParserFactory.setNamespaceAware(true); } return nsParserFactory;
if (path == null) { path = new Union(); path.setProject(getProject()); } return path;
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/PathConvert.java
Method name: SAXParserFactory getNSParserFactory() Method name: Union getPath()
Number of AST nodes: 4 Number of AST nodes: 4
1
if (nsParserFactory == null) {
1
if (path == null) {
2
            nsParserFactory = newParserFactory();
2
            
3
            nsParserFactory.setNamespaceAware(true
3
path = new Union();
4
);
4
            path.setProject(getProject());
5
        }
5
        }
6
        return nsParserFactory;
6
        return path;
Summary
Number of common nesting structure subtrees1
Number of refactorable cases0
Number of non-refactorable cases1
Time elapsed for finding largest common nesting structure subtrees (ms)0.1
Clones locationClones are in different classes
Number of node comparisons10
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements1
    Number of unmapped statements in the first code fragment3
    Number of unmapped statements in the second code fragment3
    Time elapsed for statement mapping (ms)0.6
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (nsParserFactory == null)
    1
    if (nsParserFactory == null)
    1
    if (path == null)
    Differences
    Expression1Expression2Difference
    nsParserFactorypathVARIABLE_NAME_MISMATCH
    javax.xml.parsers.SAXParserFactoryorg.apache.tools.ant.types.resources.UnionVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type javax.xml.parsers.SAXParserFactory of variable nsParserFactory does not match with type org.apache.tools.ant.types.resources.Union of variable path
    • Make classes javax.xml.parsers.SAXParserFactory and org.apache.tools.ant.types.resources.Union extend a common superclass
    1
    if (path == null)
                                            
    2
    path = new Union();
    2
    nsParserFactory = newParserFactory();
                                                                                
                                                                      
    3
    path.setProject(getProject());
    3
    nsParserFactory.setNamespaceAware(true);
                                                                                          
                                  
    4
    return path;
    Preondition Violations
    Unmatched return path;
    4
    return path;
    4
    return nsParserFactory;
    4
    return nsParserFactory;
    Preondition Violations
    Unmatched return nsParserFactory;
                                                        
    Precondition Violations (3)
    Row Violation
    1Type javax.xml.parsers.SAXParserFactory of variable nsParserFactory does not match with type org.apache.tools.ant.types.resources.Union of variable path
    2Unmatched return path;
    3Unmatched return nsParserFactory;