if (signatureVersion != null) { try { Attribute svAttr = new Attribute(ATTRIBUTE_SIGNATURE_VERSION, signatureVersion); mainSection.addConfiguredAttribute(svAttr); } catch (ManifestException e) { // shouldn't happen - ignore } }
if (sock != null) { try { sock.close(); sock = 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 (sock != null) {
2
            try {
2
                try {
3
                Attribute svAttr = new Attribute(ATTRIBUTE_SIGNATURE_VERSION,
3
                    sock.close();
4
                    signatureVersion);
4
                    sock = 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)1.1
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    7
    if (signatureVersion != null)
    7
    if (signatureVersion != null)
    10
    if (sock != null)
    Differences
    Expression1Expression2Difference
    signatureVersionsockVARIABLE_NAME_MISMATCH
    java.lang.Stringjava.net.SocketVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.String of variable signatureVersion does not match with type java.net.Socket of variable sock
    • Make classes java.lang.String and java.net.Socket extend a common superclass
    10
    if (sock != null)
    8
    try
    8
    try
    11
    try
    Differences
    Expression1Expression2Difference
    org.apache.tools.ant.taskdefs.ManifestExceptionjava.io.IOExceptionSUBCLASS_TYPE_MISMATCH
    org.apache.tools.ant.taskdefs.ManifestExceptionjava.io.IOExceptionSUBCLASS_TYPE_MISMATCH
    11
    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
                                                                                                  
                                      
    12
    sock.close();
    Preondition Violations
    Unmatched statement sock.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
    12
    sock.close();
                                
    13
    sock = null;
    Precondition Violations (3)
    Row Violation
    1Type java.lang.String of variable signatureVersion does not match with type java.net.Socket of variable sock
    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 sock.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