if (parserFactory == null) { parserFactory = newParserFactory(); } return parserFactory;
if (name == null) { throw new BuildException("Name attribute is missing."); } return name;
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/XSLTProcess.java
Method name: SAXParserFactory getParserFactory() Method name: String getName()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (parserFactory == null) {
1
if (name == null) {
2
            parserFactory = newParserFactory();
2
            
3
    throw new BuildException("Name attribute is missing.");
3
        }
4
            }
4
        return parserFactory;
5
            return name;
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)0.3
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (parserFactory == null)
    1
    if (parserFactory == null)
    1
    if (name == null)
    Differences
    Expression1Expression2Difference
    parserFactorynameVARIABLE_NAME_MISMATCH
    javax.xml.parsers.SAXParserFactoryjava.lang.StringVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type javax.xml.parsers.SAXParserFactory of variable parserFactory does not match with type java.lang.String of variable name
    • Make classes javax.xml.parsers.SAXParserFactory and java.lang.String extend a common superclass
    1
    if (name == null)
                                                                                                                        
    2
    throw new BuildException("Name attribute is missing.");
    Preondition Violations
    Unmatched throw new BuildException("Name attribute is missing.");
    2
    throw new BuildException("Name attribute is missing.");
    2
    parserFactory = newParserFactory();
                                                                            
                                  
    3
    return name;
    Preondition Violations
    Unmatched return name;
    3
    return name;
    3
    return parserFactory;
    3
    return parserFactory;
    Preondition Violations
    Unmatched return parserFactory;
                                                    
    Precondition Violations (4)
    Row Violation
    1Type javax.xml.parsers.SAXParserFactory of variable parserFactory does not match with type java.lang.String of variable name
    2Unmatched throw new BuildException("Name attribute is missing.");
    3Unmatched return name;
    4Unmatched return parserFactory;