if (nc == null && parent instanceof DynamicElementNS) { DynamicElementNS dc = (DynamicElementNS) parent; String qName = (child == null ? name : child.getQName()); final Object nestedElement = dc.createDynamicElement( (child == null ? "" : child.getNamespace()), name, qName); if (nestedElement != null) { nc = new NestedCreator(null) { Object create( Project project, Object parent, Object ignore) { return nestedElement; } }; } }
if (nc == null && parent instanceof DynamicElement) { DynamicElement dc = (DynamicElement) parent; final Object nestedElement = dc.createDynamicElement(name.toLowerCase(Locale.US)); if (nestedElement != null) { nc = new NestedCreator(null) { Object create( Project project, Object parent, Object ignore) { return nestedElement; } }; } }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/IntrospectionHelper.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/IntrospectionHelper.java
Method name: NestedCreator getNestedCreator(Project, String, Object, String, UnknownElement) Method name: NestedCreator getNestedCreator(Project, String, Object, String, UnknownElement)
Number of AST nodes: 6 Number of AST nodes: 5
1
if (nc == null && parent instanceof DynamicElementNS) {
1
if (nc == null && parent instanceof DynamicElement) {
2
            DynamicElementNS dc = (DynamicElementNS) parent;
2
            DynamicElement dc = (DynamicElement) parent;
3
            String qName = (child == null ? name : child.getQName());
3
            
4
            final Object nestedElement =
5
                dc.createDynamicElement(
6
                    (child == null ? "" : child.getNamespace()),
7
                    name, qName
4
final Object nestedElement =
8
);
5
                dc.createDynamicElement(name.toLowerCase(Locale.US));
9
            if (nestedElement != null) {
6
            if (nestedElement != null) {
10
                nc = new NestedCreator(null) {
7
                nc = new NestedCreator(null) {
11
                    Object create(
8
                    Object create(
12
                        Project project, Object parent, Object ignore) {
9
                        Project project, Object parent, Object ignore) {
13
                        return nestedElement;
10
                        return nestedElement;
14
                    }
11
                    }
15
                };
12
                };
16
            }
13
            }
17
        }
14
        }
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)0.3
Clones locationClones are in the same method
Number of node comparisons16
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements3
    Number of unmapped statements in the first code fragment3
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)1.5
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    12
    if (nc == null && parent instanceof DynamicElementNS)
    12
    if (nc == null && parent instanceof DynamicElementNS)
    18
    if (nc == null && parent instanceof DynamicElement)
    Differences
    Expression1Expression2Difference
    org.apache.tools.ant.DynamicElementNSorg.apache.tools.ant.DynamicElementVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type boolean of variable parent instanceof DynamicElementNS does not match with type boolean of variable parent instanceof DynamicElement
    • Make classes org.apache.tools.ant.DynamicElementNS and org.apache.tools.ant.DynamicElement extend a common superclass
    18
    if (nc == null && parent instanceof DynamicElement)
    13
    DynamicElementNS dc = (DynamicElementNS)parent;
                                                                                                      
    14
    String qName = (child == null ? name : child.getQName());
                                                                                                                          
    15
    final Object nestedElement = dc.createDynamicElement((child == null ? "" : child.getNamespace()), name, qName);
                                                                                                                                                                                                                                  
                                                                                              
    19
    DynamicElement dc = (DynamicElement)parent;
                                                                                                                                                                            
    20
    final Object nestedElement = dc.createDynamicElement(name.toLowerCase(Locale.US));
    16
    if (nestedElement != null)
    21
    if (nestedElement != null)
    17
    nc = new NestedCreator(null) {...};
    22
    nc = new NestedCreator(null) {...};
    Precondition Violations (1)
    Row Violation
    1Type boolean of variable parent instanceof DynamicElementNS does not match with type boolean of variable parent instanceof DynamicElement