if (signatureVersion != null) { try { Attribute svAttr = new Attribute(ATTRIBUTE_SIGNATURE_VERSION, signatureVersion); mainSection.addConfiguredAttribute(svAttr); } catch (ManifestException e) { // shouldn't happen - ignore } }
if (ssock != null) { try { ssock.close(); ssock = null; } catch (IOException e) { // ignore } }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Manifest.java File path: /apache-ant-1.7.0/src/tests/junit/org/apache/tools/mail/MailMessageTest.java
Method name: void write(PrintWriter) Method name: void disconnect()
Number of AST nodes: 4 Number of AST nodes: 4
1
if (signatureVersion != null) {
1
if (ssock != null) {
2
            try {
2
                try {
3
                Attribute svAttr = new Attribute(ATTRIBUTE_SIGNATURE_VERSION,
3
                    ssock.close();
4
                    signatureVersion);
4
                    ssock = null;
5
                mainSection.addConfiguredAttribute(svAttr);
5
    
6
            } catch (ManifestException e) {
6
            } catch (IOException e) {
7
                // shouldn't happen - ignore
7
                    // ignore
8
            }
8
            
9
    }
9
        }
10
            }
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 comparisons10
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements2
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)1.0
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    7
    if (signatureVersion != null)
    7
    if (signatureVersion != null)
    14
    if (ssock != null)
    Differences
    Expression1Expression2Difference
    signatureVersionssockVARIABLE_NAME_MISMATCH
    java.lang.Stringjava.net.ServerSocketVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.String of variable signatureVersion does not match with type java.net.ServerSocket of variable ssock
    • Make classes java.lang.String and java.net.ServerSocket extend a common superclass
    14
    if (ssock != null)
    8
    try
    8
    try
    15
    try
    Differences
    Expression1Expression2Difference
    org.apache.tools.ant.taskdefs.ManifestExceptionjava.io.IOExceptionSUBCLASS_TYPE_MISMATCH
    org.apache.tools.ant.taskdefs.ManifestExceptionjava.io.IOExceptionSUBCLASS_TYPE_MISMATCH
    15
    try
    9
    Attribute svAttr = new Attribute(ATTRIBUTE_SIGNATURE_VERSION, signatureVersion);
                                                                                                                                                                    
    10
    mainSection.addConfiguredAttribute(svAttr);
    10
    mainSection.addConfiguredAttribute(svAttr);
    Preondition Violations
    Unmatched statement mainSection.addConfiguredAttribute(svAttr); 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
                                                                                                  
                                        
    16
    ssock.close();
    Preondition Violations
    Unmatched statement ssock.close(); 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
    16
    ssock.close();
                                  
    17
    ssock = null;
    Precondition Violations (3)
    Row Violation
    1Type java.lang.String of variable signatureVersion does not match with type java.net.ServerSocket of variable ssock
    2Unmatched statement mainSection.addConfiguredAttribute(svAttr); 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 statement ssock.close(); 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