if (device != null) { try { device.close(); } catch (IOException ioex) { //ignore } }
if (in != null) { try { in.close(); in = 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(OutputStream) Method name: void disconnect()
Number of AST nodes: 3 Number of AST nodes: 4
1
if (device != null) {
1
if (in != null) {
2
            try {
2
                try {
3
                device.close();
3
                    in.close();
4
                    in = 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)
    6
    if (in != null)
    Differences
    Expression1Expression2Difference
    deviceinVARIABLE_NAME_MISMATCH
    java.io.OutputStreamjava.io.BufferedReaderVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.io.OutputStream of variable device does not match with type java.io.BufferedReader of variable in
    • Make classes java.io.OutputStream and java.io.BufferedReader extend a common superclass
    6
    if (in != null)
    2
    try
    2
    try
    7
    try
    Differences
    Expression1Expression2Difference
    ioexeVARIABLE_NAME_MISMATCH
    7
    try
    3
    device.close();
    3
    device.close();
    8
    in.close();
    Differences
    Expression1Expression2Difference
    deviceinVARIABLE_NAME_MISMATCH
    java.io.OutputStreamjava.io.BufferedReaderVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.io.OutputStream of variable device does not match with type java.io.BufferedReader of variable in
    • Make classes java.io.OutputStream and java.io.BufferedReader extend a common superclass
    8
    in.close();
                          
    9
    in = null;
    Precondition Violations (2)
    Row Violation
    1Type java.io.OutputStream of variable device does not match with type java.io.BufferedReader of variable in
    2Type java.io.OutputStream of variable device does not match with type java.io.BufferedReader of variable in