if (zipfile != null) { try { zipfile.close(); } catch (IOException e) { //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/zip/ZipFile.java File path: /apache-ant-1.7.0/src/tests/junit/org/apache/tools/mail/MailMessageTest.java
Method name: void closeQuietly(ZipFile) Method name: void disconnect()
Number of AST nodes: 3 Number of AST nodes: 4
1
if (zipfile != null) {
1
if (sock != null) {
2
            try {
2
                try {
3
                zipfile.close();
3
                    sock.close();
4
                    sock = null;
4
            } catch (IOException e) {
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)0.6
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    if (zipfile != null)
    1
    if (zipfile != null)
    10
    if (sock != null)
    Differences
    Expression1Expression2Difference
    zipfilesockVARIABLE_NAME_MISMATCH
    org.apache.tools.zip.ZipFilejava.net.SocketVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.apache.tools.zip.ZipFile of variable zipfile does not match with type java.net.Socket of variable sock
    • Make classes org.apache.tools.zip.ZipFile and java.net.Socket extend a common superclass
    10
    if (sock != null)
    2
    try
    11
    try
    3
    zipfile.close();
    3
    zipfile.close();
    12
    sock.close();
    Differences
    Expression1Expression2Difference
    zipfilesockVARIABLE_NAME_MISMATCH
    org.apache.tools.zip.ZipFilejava.net.SocketVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.apache.tools.zip.ZipFile of variable zipfile does not match with type java.net.Socket of variable sock
    • Make classes org.apache.tools.zip.ZipFile and java.net.Socket extend a common superclass
    12
    sock.close();
                                
    13
    sock = null;
    Precondition Violations (2)
    Row Violation
    1Type org.apache.tools.zip.ZipFile of variable zipfile does not match with type java.net.Socket of variable sock
    2Type org.apache.tools.zip.ZipFile of variable zipfile does not match with type java.net.Socket of variable sock