if (ssock != null) { try { ssock.close(); ssock = null; } catch (IOException e) { // ignore } }
if (device != null) { try { device.close(); } catch (IOException ioex) { //ignore } }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/tests/junit/org/apache/tools/mail/MailMessageTest.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/util/FileUtils.java
Method name: void disconnect() Method name: void close(OutputStream)
Number of AST nodes: 4 Number of AST nodes: 3
1
if (ssock != null) {
1
if (device != null) {
2
                try {
2
            try {
3
                    ssock.close();
3
                device.close();
4
                    ssock = null;
5
                } catch (IOException e) {
4
            } catch (IOException ioex) {
6
                    // ignore
5
                //ignore
7
                }
6
            
8
    
7
}
9
        }
8
        }
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 comparisons7
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements3
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)0.6
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    14
    if (ssock != null)
    14
    if (ssock != null)
    1
    if (device != null)
    Differences
    Expression1Expression2Difference
    ssockdeviceVARIABLE_NAME_MISMATCH
    java.net.ServerSocketjava.io.OutputStreamVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.net.ServerSocket of variable ssock does not match with type java.io.OutputStream of variable device
    • Make classes java.net.ServerSocket and java.io.OutputStream extend a common superclass
    1
    if (device != null)
    15
    try
    15
    try
    2
    try
    Differences
    Expression1Expression2Difference
    eioexVARIABLE_NAME_MISMATCH
    2
    try
    16
    ssock.close();
    16
    ssock.close();
    3
    device.close();
    Differences
    Expression1Expression2Difference
    ssockdeviceVARIABLE_NAME_MISMATCH
    java.net.ServerSocketjava.io.OutputStreamVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.net.ServerSocket of variable ssock does not match with type java.io.OutputStream of variable device
    • Make classes java.net.ServerSocket and java.io.OutputStream extend a common superclass
    3
    device.close();
    17
    ssock = null;
                                  
    Precondition Violations (2)
    Row Violation
    1Type java.net.ServerSocket of variable ssock does not match with type java.io.OutputStream of variable device
    2Type java.net.ServerSocket of variable ssock does not match with type java.io.OutputStream of variable device