if (parserFactory == null) { parserFactory = newParserFactory(); } return parserFactory;
if (extDirs == null) { extDirs = new Path(getProject()); } return extDirs.createPath();
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/Rmic.java
Method name: SAXParserFactory getParserFactory() Method name: Path createExtdirs()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (parserFactory == null) {
1
if (extDirs == null) {
2
            parserFactory = newParserFactory();
2
            extDirs = new Path(getProject());
3
        }
3
        }
4
        return parserFactory;
4
        return extDirs.createPath();
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 comparisons5
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements1
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)0.4
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (parserFactory == null)
    1
    if (parserFactory == null)
    1
    if (extDirs == null)
    Differences
    Expression1Expression2Difference
    parserFactoryextDirsVARIABLE_NAME_MISMATCH
    javax.xml.parsers.SAXParserFactoryorg.apache.tools.ant.types.PathVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type javax.xml.parsers.SAXParserFactory of variable parserFactory does not match with type org.apache.tools.ant.types.Path of variable extDirs
    • Make classes javax.xml.parsers.SAXParserFactory and org.apache.tools.ant.types.Path extend a common superclass
    1
    if (extDirs == null)
                                                                        
    2
    extDirs = new Path(getProject());
    2
    parserFactory = newParserFactory();
                                                                            
                                                                  
    3
    return extDirs.createPath();
    Preondition Violations
    Unmatched return extDirs.createPath();
    3
    return extDirs.createPath();
    3
    return parserFactory;
    3
    return parserFactory;
    Preondition Violations
    Unmatched return parserFactory;
                                                    
    Precondition Violations (3)
    Row Violation
    1Type javax.xml.parsers.SAXParserFactory of variable parserFactory does not match with type org.apache.tools.ant.types.Path of variable extDirs
    2Unmatched return extDirs.createPath();
    3Unmatched return parserFactory;