158-71-76

try { ftp.disconnect(); } catch (IOException ioe) { // do nothing } getProject().executeTarget("cleanup");
if (socket != null) { try { socket.close(); } catch (IOException e) { // ignore } }

Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/tests/junit/org/apache/tools/ant/taskdefs/optional/net/FTPTest.java |  | File path: /apache-ant-1.7.0/src/org/apache/tools/mail/MailMessage.java
Method name: `void tearDown()` |  | Method name: `void disconnect()`
Number of AST nodes: 3 |  | Number of AST nodes: 3

1

    try {↵

2

                ftp.disconnect();↵

1

    if (socket != null) {↵

2

                try {↵

3

                    socket.close();↵

3

            } catch (IOException ioe) {↵

4

                } catch (IOException e) {↵

4

                // do nothing↵

5

                ↵

5

            }↵

6

            getProject().executeTarget("cleanup");

6

        // ignore↵

7

                }↵

8

            }

See real code fragment |  | See real code fragment

Summary
Number of common nesting structure subtrees | 1
Number of refactorable cases | 0
Number of non-refactorable cases | 1
Time elapsed for finding largest common nesting structure subtrees (ms) | 0.1
Clones location | Clones are in different classes
Number of node comparisons | 4

1. {Non-refactorable}

   Mapping Summary
   Number of mapped statements | 1
   Number of unmapped statements in the first code fragment | 2
   Number of unmapped statements in the second code fragment | 1
   Time elapsed for statement mapping (ms) | 0.4
   Clone type | Type 3

   Mapped Statements
   ID | Statement |  | ID | Statement
   --- | --- | --- | --- | ---

   1

       try

   1 | try
   7 | try

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   ioe | e | VARIABLE_NAME_MISMATCH

   7

       try

   2

       ftp.disconnect();

   2 | ftp.disconnect();

   Preondition Violations
   Unmatched statement ftp.disconnect(); 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

   8 | socket.close();

   Preondition Violations
   Unmatched statement socket.close(); 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

   8

       socket.close();

   3

       getProject().executeTarget("cleanup");

   Precondition Violations (2)
   Row | Violation
   --- | ---
   1 | Unmatched statement ftp.disconnect(); 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
   2 | Unmatched statement socket.close(); 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