for (Enumeration e = zipFiles.elements(); e.hasMoreElements();) { ZipFile zipFile = (ZipFile) e.nextElement(); try { zipFile.close(); } catch (IOException ioe) { // 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/AntClassLoader.java File path: /apache-ant-1.7.0/src/tests/junit/org/apache/tools/mail/MailMessageTest.java
Method name: void cleanup() Method name: void disconnect()
Number of AST nodes: 4 Number of AST nodes: 5
1
for (Enumeration e = zipFiles.elements(); e.hasMoreElements();) {
2
            ZipFile zipFile = (ZipFile) e.nextElement();
3
            try {
4
                zipFile.close();
1
if (out != null) {
2
                try {
3
                    out.flush();
4
                    out.close();
5
                    out = null;
5
            } catch (IOException ioe) {
6
                } catch (IOException e) {
6
                // ignore
7
                    // ignore
7
            }
8
            
9
    }
8
        }
10
            }
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)0.1
Clones locationClones are in different classes
Number of node comparisons9
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements2
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)1.1
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    2
    ZipFile zipFile = (ZipFile)e.nextElement();
    2
    ZipFile zipFile = (ZipFile)e.nextElement();
    Preondition Violations
    Unmatched statement ZipFile zipFile=(ZipFile)e.nextElement(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                                                            
    3
    try
    3
    try
    2
    try
    Differences
    Expression1Expression2Difference
    ioeeVARIABLE_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();
    4
    zipFile.close();
    4
    zipFile.close();
    4
    out.close();
    Differences
    Expression1Expression2Difference
    zipFileoutVARIABLE_NAME_MISMATCH
    java.util.zip.ZipFilejava.io.BufferedWriterVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.util.zip.ZipFile of variable zipFile does not match with type java.io.BufferedWriter of variable out
    • Make classes java.util.zip.ZipFile and java.io.BufferedWriter extend a common superclass
    4
    out.close();
                            
    5
    out = null;
    Precondition Violations (3)
    Row Violation
    1Unmatched statement ZipFile zipFile=(ZipFile)e.nextElement(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    2Unmatched 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
    3Type java.util.zip.ZipFile of variable zipFile does not match with type java.io.BufferedWriter of variable out