try { Commandline c = (Commandline) super.clone(); c.arguments = (Vector) arguments.clone(); return c; } catch (CloneNotSupportedException e) { throw new BuildException(e); }
try { return DocumentBuilderFactory.newInstance().newDocumentBuilder(); } catch (Exception exc) { throw new ExceptionInInitializerError(exc); }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/types/Commandline.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/XmlLogger.java
Method name: Object clone() Method name: DocumentBuilder getDocumentBuilder()
Number of AST nodes: 4 Number of AST nodes: 2
1
try {
1
try {
2
            Commandline c = (Commandline) super.clone();
2
            
3
            c.arguments = (Vector) arguments.clone();
4
            return c;
5
        } catch (CloneNotSupported
3
return DocumentBuilderFactory.newInstance().newDocumentBuilder();
6
Exception e) {
4
        } catch (Exception exc) {
7
            throw new BuildException(e);
5
            throw new ExceptionInInitializerError(exc);
8
        }
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 comparisons8
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements1
    Number of unmapped statements in the first code fragment3
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)0.6
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    try
    1
    try
    1
    try
    Differences
    Expression1Expression2Difference
    java.lang.CloneNotSupportedExceptionjava.lang.ExceptionSUBCLASS_TYPE_MISMATCH
    eexcVARIABLE_NAME_MISMATCH
    java.lang.CloneNotSupportedExceptionjava.lang.ExceptionSUBCLASS_TYPE_MISMATCH
    org.apache.tools.ant.BuildExceptionjava.lang.ExceptionInInitializerErrorSUBCLASS_TYPE_MISMATCH
    eexcVARIABLE_NAME_MISMATCH
    java.lang.CloneNotSupportedExceptionjava.lang.ExceptionSUBCLASS_TYPE_MISMATCH
    1
    try
                                                                                                                                            
    2
    return DocumentBuilderFactory.newInstance().newDocumentBuilder();
    Preondition Violations
    Unmatched return DocumentBuilderFactory.newInstance().newDocumentBuilder();
    2
    return DocumentBuilderFactory.newInstance().newDocumentBuilder();
    2
    Commandline c = (Commandline)super.clone();
    2
    Commandline c = (Commandline)super.clone();
    Preondition Violations
    Unmatched statement Commandline c=(Commandline)super.clone(); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
                                                                                            
    3
    c.arguments = (Vector)arguments.clone();
                                                                                      
    4
    return c;
    4
    return c;
    Preondition Violations
    Unmatched return c;
                            
    Precondition Violations (3)
    Row Violation
    1Unmatched return DocumentBuilderFactory.newInstance().newDocumentBuilder();
    2Unmatched statement Commandline c=(Commandline)super.clone(); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
    3Unmatched return c;