158-68-88

if (ssock != null) { try { ssock.close(); ssock = null; } catch (IOException e) { // ignore } }
if (zipfile != null) { try { zipfile.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/mail/MailMessageTest.java |  | File path: /apache-ant-1.7.0/src/org/apache/tools/zip/ZipFile.java
Method name: `void disconnect()` |  | Method name: `void closeQuietly(ZipFile)`
Number of AST nodes: 4 |  | Number of AST nodes: 3

1

    if (ssock != null) {↵

1

    if (zipfile != null) {↵

2

                    try {↵

2

                try {↵

3

                        ssock.close();↵

3

                    zipfile.close();↵

4

                        ssock = null;↵

5

                    } catch (IOException e) {↵

4

                } catch (IOException e) {↵

6

                        // ignore↵

5

                    //ignore↵

7

                    }↵

6

                ↵

8

        ↵

7

    }↵

9

            }

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) | 0.2
Clones location | Clones are in different classes
Number of node comparisons | 7

1. {Non-refactorable}

   Mapping Summary
   Number of mapped statements | 3
   Number of unmapped statements in the first code fragment | 1
   Number of unmapped statements in the second code fragment | 0
   Time elapsed for statement mapping (ms) | 0.5
   Clone type | Type 3

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

   14

       if (ssock != null)

   14 | if (ssock != null)
   1 | if (zipfile != null)

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   ssock | zipfile | VARIABLE_NAME_MISMATCH
   java.net.ServerSocket | org.apache.tools.zip.ZipFile | VARIABLE_TYPE_MISMATCH

   Preondition Violations

   Type java.net.ServerSocket of variable ssock does not match with type org.apache.tools.zip.ZipFile of variable zipfile
   - Make classes java.net.ServerSocket and org.apache.tools.zip.ZipFile extend a common superclass

   1

       if (zipfile != null)

   15

       try

   2

       try

   16

       ssock.close();

   16 | ssock.close();
   3 | zipfile.close();

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   ssock | zipfile | VARIABLE_NAME_MISMATCH
   java.net.ServerSocket | org.apache.tools.zip.ZipFile | VARIABLE_TYPE_MISMATCH

   Preondition Violations

   Type java.net.ServerSocket of variable ssock does not match with type org.apache.tools.zip.ZipFile of variable zipfile
   - Make classes java.net.ServerSocket and org.apache.tools.zip.ZipFile extend a common superclass

   3

       zipfile.close();

   17

       ssock = null;

   Precondition Violations (2)
   Row | Violation
   --- | ---
   1 | Type java.net.ServerSocket of variable ssock does not match with type org.apache.tools.zip.ZipFile of variable zipfile
   2 | Type java.net.ServerSocket of variable ssock does not match with type org.apache.tools.zip.ZipFile of variable zipfile