if (userProvidedExpression == null) { setError("The expression attribute is required"); }
if (text == null) { text = "No message"; }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/types/selectors/ContainsRegexpSelector.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Exit.java
Method name: void verifySettings() Method name: void execute()
Number of AST nodes: 2 Number of AST nodes: 2
1
if (userProvidedExpression == null) {
1
if (text == null) {
2
            setError("The expression attribute is required");
2
              
3
          text = "No message";
3
        }
4
                    }
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 having the same super class
Number of node comparisons4
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements1
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)0.3
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (userProvidedExpression == null)
    1
    if (userProvidedExpression == null)
    15
    if (text == null)
    Differences
    Expression1Expression2Difference
    userProvidedExpressiontextVARIABLE_NAME_MISMATCH
    15
    if (text == null)
    2
    setError("The expression attribute is required");
                                                                                                            
                                                
    16
    text = "No message";
    Preondition Violations
    Unmatched statement text="No message"; cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    16
    text = "No message";
    Precondition Violations (1)
    Row Violation
    1Unmatched statement text="No message"; cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted