if (name == null) { throw new BuildException("Name attribute is missing."); } return name;
if (value == null) { throw new BuildException("Nothing to test for truth"); } return value.booleanValue();
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/XSLTProcess.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/condition/IsTrue.java
Method name: String getName() Method name: boolean eval()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (name == null) {
1
if (value == null) {
2
                throw new BuildException("Name attribute is missing.");
2
            throw new BuildException("Nothing to test for truth");
3
            }
3
        
4
    
4
}
5
        return name;
5
        return value.booleanValue();
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 statements2
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)0.4
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (name == null)
    1
    if (name == null)
    1
    if (value == null)
    Differences
    Expression1Expression2Difference
    namevalueVARIABLE_NAME_MISMATCH
    java.lang.Stringjava.lang.BooleanVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.String of variable name does not match with type java.lang.Boolean of variable value
    • Make classes java.lang.String and java.lang.Boolean extend a common superclass
    1
    if (value == null)
    2
    throw new BuildException("Name attribute is missing.");
    2
    throw new BuildException("Name attribute is missing.");
    2
    throw new BuildException("Nothing to test for truth");
    Differences
    Expression1Expression2Difference
    "Name attribute is missing.""Nothing to test for truth"LITERAL_VALUE_MISMATCH
    2
    throw new BuildException("Nothing to test for truth");
                                                                  
    3
    return value.booleanValue();
    Preondition Violations
    Unmatched return value.booleanValue();
    3
    return value.booleanValue();
    3
    return name;
    3
    return name;
    Preondition Violations
    Unmatched return name;
                                  
    Precondition Violations (3)
    Row Violation
    1Type java.lang.String of variable name does not match with type java.lang.Boolean of variable value
    2Unmatched return value.booleanValue();
    3Unmatched return name;