List nestedElementList = (List) nestedElementMap.get(name); if (nestedElementList == null) { nestedElementList = new ArrayList(); nestedElementMap.put(name, nestedElementList); } Object element = getScript().createNestedElement(name); nestedElementList.add(element); return element;
List list = (List) prefixMapping.get(prefix); if (list == null) { list = new ArrayList(); prefixMapping.put(prefix, list); } list.add(uri);
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/script/ScriptDefBase.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/helper/AntXMLContext.java
Method name: Object createDynamicElement(String) Method name: void startPrefixMapping(String, String)
Number of AST nodes: 7 Number of AST nodes: 5
1
List nestedElementList = (List) nestedElementMap.get(name);
1
List list = (List) prefixMapping.get(prefix);
2
        if (nestedElementList == null) {
2
        if (list == null) {
3
            nestedElementList = new ArrayList();
3
            list = new ArrayList();
4
            nestedElementMap.put(name, nestedElementList);
4
            
5
        }
6
        Object element = getScript().createNestedElement(name);
7
        nestedElementList.add(element);
8
        return element
5
prefixMapping.put(prefix, list);
6
        }
9
;
7
        list.add(uri);
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 comparisons13
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements5
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)1.1
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    List nestedElementList = (List)nestedElementMap.get(name);
    1
    List nestedElementList = (List)nestedElementMap.get(name);
    1
    List list = (List)prefixMapping.get(prefix);
    Differences
    Expression1Expression2Difference
    nestedElementListlistVARIABLE_NAME_MISMATCH
    nameprefixVARIABLE_NAME_MISMATCH
    nestedElementMapprefixMappingVARIABLE_NAME_MISMATCH
    1
    List list = (List)prefixMapping.get(prefix);
    2
    if (nestedElementList == null)
    2
    if (nestedElementList == null)
    2
    if (list == null)
    Differences
    Expression1Expression2Difference
    nestedElementListlistVARIABLE_NAME_MISMATCH
    2
    if (list == null)
    3
    nestedElementList = new ArrayList();
    3
    nestedElementList = new ArrayList();
    3
    list = new ArrayList();
    Differences
    Expression1Expression2Difference
    nestedElementListlistVARIABLE_NAME_MISMATCH
    3
    list = new ArrayList();
    4
    nestedElementMap.put(name, nestedElementList);
    4
    nestedElementMap.put(name, nestedElementList);
    4
    prefixMapping.put(prefix, list);
    Differences
    Expression1Expression2Difference
    nameprefixVARIABLE_NAME_MISMATCH
    nestedElementListlistVARIABLE_NAME_MISMATCH
    nestedElementMapprefixMappingVARIABLE_NAME_MISMATCH
    4
    prefixMapping.put(prefix, list);
    5
    Object element = getScript().createNestedElement(name);
                                                                                                                    
    6
    nestedElementList.add(element);
    6
    nestedElementList.add(element);
    5
    list.add(uri);
    Differences
    Expression1Expression2Difference
    elementuriVARIABLE_NAME_MISMATCH
    java.lang.Objectjava.lang.StringVARIABLE_TYPE_MISMATCH
    nestedElementListlistVARIABLE_NAME_MISMATCH
    Preondition Violations
    Type java.lang.Object of variable element does not match with type java.lang.String of variable uri
    • Make classes java.lang.Object and java.lang.String extend a common superclass
    5
    list.add(uri);
    7
    return element;
    7
    return element;
    Preondition Violations
    Unmatched return element;
                                        
    Precondition Violations (2)
    Row Violation
    1Type java.lang.Object of variable element does not match with type java.lang.String of variable uri
    2Unmatched return element;