if (errorEncoding == null) { throw new IllegalArgumentException( "errorEncoding must not be null"); } else { this.errorEncoding = errorEncoding; }
if (parent == null) { this.parent = AntClassLoader.class.getClassLoader(); } else { this.parent = parent; }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Redirector.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/AntClassLoader.java
Method name: void setErrorEncoding(String) Method name: void setParent(ClassLoader)
Number of AST nodes: 3 Number of AST nodes: 3
1
if (errorEncoding == null) {
1
if (parent == null) {
2
            throw new IllegalArgumentException(
2
            th
3
                "errorEncoding must not be null");
3
is.parent = AntClassLoader.class.getClassLoader();
4
        } else {
4
        } else {
5
            this.errorEncoding = errorEncoding;
5
            this.parent = parent;
6
        }
6
        }
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)0.2
Clones locationClones are in different classes
Number of node comparisons9
  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)0.5
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (errorEncoding == null)
    1
    if (errorEncoding == null)
    1
    if (parent == null)
    Differences
    Expression1Expression2Difference
    errorEncodingparentVARIABLE_NAME_MISMATCH
    java.lang.Stringjava.lang.ClassLoaderVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.String of variable errorEncoding does not match with type java.lang.ClassLoader of variable parent
    • Make classes java.lang.String and java.lang.ClassLoader extend a common superclass
    1
    if (parent == null)
                                                                                                              
    2
    this.parent = AntClassLoader.class.getClassLoader();
    2
    throw new IllegalArgumentException("errorEncoding must not be null");
    2
    throw new IllegalArgumentException("errorEncoding must not be null");
    Preondition Violations
    Unmatched throw new IllegalArgumentException("errorEncoding must not be null");
                                                                                                                                                    
    else
            
                                                
    3
    this.parent = parent;
    3
    this.errorEncoding = errorEncoding;
                                                                            
    Precondition Violations (2)
    Row Violation
    1Type java.lang.String of variable errorEncoding does not match with type java.lang.ClassLoader of variable parent
    2Unmatched throw new IllegalArgumentException("errorEncoding must not be null");