158-48-91

for (Enumeration e = zipFiles.elements(); e.hasMoreElements();) { ZipFile zipFile = (ZipFile) e.nextElement(); try { zipFile.close(); } catch (IOException ioe) { // ignore } }
if (device != null) { try { device.close(); } catch (IOException ioex) { //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/org/apache/tools/ant/util/FileUtils.java
Method name: `void cleanup()` |  | Method name: `void close(OutputStream)`
Number of AST nodes: 4 |  | Number of AST nodes: 3

1

    for (Enumeration e = zipFiles.elements(); e.hasMoreElements();) {↵

1

    if (device != ↵

2

                ZipFile zipFile = (ZipFile) e.nextElement();↵

2

    null) {↵

3

                try {↵

3

                try {↵

4

                    zipFile.close();↵

4

                    device.close();↵

5

                } catch (IOException ioe) {↵

5

                } catch (IOException ioex) {↵

6

                    // ignore↵

6

                    //ignore↵

7

                }↵

7

                }↵

8

            }

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 | 5

1. {Non-refactorable}

   Mapping Summary
   Number of mapped statements | 2
   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
   --- | --- | --- | --- | ---

   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
   Expression1 | Expression2 | Difference
   --- | --- | ---
   ioe | ioex | VARIABLE_NAME_MISMATCH

   2

       try

   4

       zipFile.close();

   4 | zipFile.close();
   3 | device.close();

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   zipFile | device | VARIABLE_NAME_MISMATCH
   java.util.zip.ZipFile | java.io.OutputStream | VARIABLE_TYPE_MISMATCH

   Preondition Violations

   Type java.util.zip.ZipFile of variable zipFile does not match with type java.io.OutputStream of variable device
   - Make classes java.util.zip.ZipFile and java.io.OutputStream extend a common superclass

   3

       device.close();

   Precondition Violations (2)
   Row | Violation
   --- | ---
   1 | 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
   2 | Type java.util.zip.ZipFile of variable zipFile does not match with type java.io.OutputStream of variable device