if (device != null) { try { device.close(); } catch (IOException ioex) { //ignore } }
if (out != null) { try { out.flush(); out.close(); out = 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: 5
1
if (device != null) {
1
if (out != null) {
2
            try {
2
                try {
3
                device.close();
3
                
4
    out.flush();
5
                    out.close();
6
                    out = null;
4
            } catch (IOException ioex) {
7
                } catch (IOException e) {
5
                //ignore
8
                    // ignore
6
            }
9
            
10
    }
7
        }
11
            }
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 comparisons9
  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 fragment2
    Time elapsed for statement mapping (ms)0.8
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    if (device != null)
    1
    if (device != null)
    1
    if (out != null)
    Differences
    Expression1Expression2Difference
    deviceoutVARIABLE_NAME_MISMATCH
    java.io.Writerjava.io.BufferedWriterSUBCLASS_TYPE_MISMATCH
    1
    if (out != null)
    2
    try
    2
    try
    2
    try
    Differences
    Expression1Expression2Difference
    ioexeVARIABLE_NAME_MISMATCH
    2
    try
                                  
    3
    out.flush();
    Preondition Violations
    Unmatched statement out.flush(); 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
    out.flush();
    3
    device.close();
    3
    device.close();
    4
    out.close();
    Differences
    Expression1Expression2Difference
    deviceoutVARIABLE_NAME_MISMATCH
    java.io.Writerjava.io.BufferedWriterSUBCLASS_TYPE_MISMATCH
    4
    out.close();
                            
    5
    out = null;
    Precondition Violations (1)
    Row Violation
    1Unmatched statement out.flush(); 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