if (children == null) { children = new ArrayList(); } children.add(child);
if (c == null) { c = LoaderUtils.class.getClassLoader(); } return normalizeSource(Locator.getResourceSource(c, resource));
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/UnknownElement.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/util/LoaderUtils.java
Method name: void addChild(UnknownElement) Method name: File getResourceSource(ClassLoader, String)
Number of AST nodes: 3 Number of AST nodes: 3
1
if (children == null) {
1
if (c == null) {
2
            children = new ArrayList();
2
            c
3
        }
4
        children.add(child
3
 = LoaderUtils.class.getClassLoader();
4
        }
5
);
5
        return normalizeSource(Locator.getResourceSource(c, resource));
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 (children == null)
    1
    if (children == null)
    1
    if (c == null)
    Differences
    Expression1Expression2Difference
    childrencVARIABLE_NAME_MISMATCH
    java.util.Listjava.lang.ClassLoaderVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.util.List of variable children does not match with type java.lang.ClassLoader of variable c
    • Make classes java.util.List and java.lang.ClassLoader extend a common superclass
    1
    if (c == null)
                                                                                    
    2
    c = LoaderUtils.class.getClassLoader();
    Preondition Violations
    Unmatched statement c=LoaderUtils.class.getClassLoader(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    2
    c = LoaderUtils.class.getClassLoader();
    2
    children = new ArrayList();
                                                            
                                                                                                                                      
    3
    return normalizeSource(Locator.getResourceSource(c, resource));
    Preondition Violations
    Unmatched return normalizeSource(Locator.getResourceSource(c,resource));
    3
    return normalizeSource(Locator.getResourceSource(c, resource));
    3
    children.add(child);
                                                  
    Precondition Violations (3)
    Row Violation
    1Type java.util.List of variable children does not match with type java.lang.ClassLoader of variable c
    2Unmatched statement c=LoaderUtils.class.getClassLoader(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    3Unmatched return normalizeSource(Locator.getResourceSource(c,resource));