if (fileToAdd == null) { return; } addfiles.addElement(fileToAdd);
if (src == null) { return; } super.scan();
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/jlink/jlink.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/types/ArchiveScanner.java
Method name: void addAddFile(String) Method name: void scan()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (fileToAdd == null) {
1
if (src == null) {
2
            return;
2
            return;
3
        }
3
        }
4
        addfiles.addElement(fileToAdd);
4
        super.scan();
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 statements3
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)0.4
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (fileToAdd == null)
    1
    if (fileToAdd == null)
    1
    if (src == null)
    Differences
    Expression1Expression2Difference
    fileToAddsrcVARIABLE_NAME_MISMATCH
    java.lang.Stringorg.apache.tools.ant.types.ResourceVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.String of variable fileToAdd does not match with type org.apache.tools.ant.types.Resource of variable src
    • Make classes java.lang.String and org.apache.tools.ant.types.Resource extend a common superclass
    1
    if (src == null)
    2
    return;
    2
    return;
    3
    addfiles.addElement(fileToAdd);
    3
    addfiles.addElement(fileToAdd);
    3
    super.scan();
    Differences
    Expression1Expression2Difference
    addfiles.addElement(fileToAdd)super.scan()TYPE_COMPATIBLE_REPLACEMENT
    Preondition Violations
    Expression addfiles.addElement(fileToAdd) is a void method call, and thus it cannot be parameterized
    Expression super.scan() is a void method call, and thus it cannot be parameterized
    3
    super.scan();
    Precondition Violations (3)
    Row Violation
    1Type java.lang.String of variable fileToAdd does not match with type org.apache.tools.ant.types.Resource of variable src
    2Expression addfiles.addElement(fileToAdd) is a void method call, and thus it cannot be parameterized
    3Expression super.scan() is a void method call, and thus it cannot be parameterized