if (extensions == null) { extensions = new ArrayList<String>(); } return extensions;
if (stringBuffer == null) { stringBuffer = new StringBuffer(); } stringBuffer.append(text, start, length);
Clone fragments detected by clone detection tool
File path: /emf-2.4.1/src/org/eclipse/emf/importer/ui/contribution/ModelImporterManager.java File path: /emf-2.4.1/src/org/eclipse/emf/ecore/xml/type/util/XMLTypeResourceImpl.java
Method name: List getExtensions() Method name: void characters(char[], int, int)
Number of AST nodes: 3 Number of AST nodes: 3
1
if (extensions == null)
1
if (stringBuffer == null)
2
      {
2
      {
3
        extensions = new ArrayList<String>();
3
        
4
      }
5
      return extensions
4
stringBuffer = new StringBuffer();
5
      }
6
;
6
      stringBuffer.append(text, start, length);
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 (extensions == null)
    1
    if (extensions == null)
    1
    if (stringBuffer == null)
    Differences
    Expression1Expression2Difference
    extensionsstringBufferVARIABLE_NAME_MISMATCH
    java.util.Listjava.lang.StringBufferVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.util.List<java.lang.String> of variable extensions does not match with type java.lang.StringBuffer of variable stringBuffer
    • Make classes java.util.List and java.lang.StringBuffer extend a common superclass
    1
    if (stringBuffer == null)
                                                                          
    2
    stringBuffer = new StringBuffer();
    2
    extensions = new ArrayList<String>();
                                                                                
                                                                                        
    3
    stringBuffer.append(text, start, length);
    3
    return extensions;
    3
    return extensions;
    Preondition Violations
    Unmatched return extensions;
                                              
    Precondition Violations (2)
    Row Violation
    1Type java.util.List<java.lang.String> of variable extensions does not match with type java.lang.StringBuffer of variable stringBuffer
    2Unmatched return extensions;