if (device != null) { try { device.close(); } catch (IOException ioex) { //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/util/FileUtils.java File path: /apache-ant-1.7.0/src/tests/junit/org/apache/tools/mail/MailMessageTest.java
Method name: void close(Writer) Method name: void disconnect()
Number of AST nodes: 3 Number of AST nodes: 4
1
if (device != null) {
1
if (ssock != null) {
2
            try {
2
                try {
3
                device.close();
3
                    ssock.close();
4
                    ssock = null;
4
            } catch (IOException ioex) {
5
                } catch (IOException e) {
5
                //ignore
6
                    // ignore
6
            }
7
            
8
    }
7
        }
9
            }
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 fragment0
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)0.7
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    if (device != null)
    1
    if (device != null)
    14
    if (ssock != null)
    Differences
    Expression1Expression2Difference
    devicessockVARIABLE_NAME_MISMATCH
    java.io.Writerjava.net.ServerSocketVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.io.Writer of variable device does not match with type java.net.ServerSocket of variable ssock
    • Make classes java.io.Writer and java.net.ServerSocket extend a common superclass
    14
    if (ssock != null)
    2
    try
    2
    try
    15
    try
    Differences
    Expression1Expression2Difference
    ioexeVARIABLE_NAME_MISMATCH
    15
    try
    3
    device.close();
    3
    device.close();
    16
    ssock.close();
    Differences
    Expression1Expression2Difference
    devicessockVARIABLE_NAME_MISMATCH
    java.io.Writerjava.net.ServerSocketVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.io.Writer of variable device does not match with type java.net.ServerSocket of variable ssock
    • Make classes java.io.Writer and java.net.ServerSocket extend a common superclass
    16
    ssock.close();
                                  
    17
    ssock = null;
    Precondition Violations (2)
    Row Violation
    1Type java.io.Writer of variable device does not match with type java.net.ServerSocket of variable ssock
    2Type java.io.Writer of variable device does not match with type java.net.ServerSocket of variable ssock