158-146-177

try { new ClassParser("force"); } catch (IOException e) { // 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/util/depend/bcel/FullAnalyzer.java |  | File path: /apache-ant-1.7.0/src/org/apache/tools/ant/util/FileUtils.java
Method name: `void FullAnalyzer()` |  | Method name: `void close(OutputStream)`
Number of AST nodes: 2 |  | Number of AST nodes: 3

1

    if (device != null) {↵

1

    try {↵

2

                try {↵

2

                new ClassParser("force");↵

3

                ↵

4

        device.close();↵

3

            } catch (IOException e) {↵

5

                } catch (IOException ioex) {↵

4

                // ignore↵

6

                    //ignore↵

7

                }↵

5

            }

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 | 1
   Number of unmapped statements in the second code fragment | 1
   Time elapsed for statement mapping (ms) | 0.3
   Clone type | Type 2

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

   1

       try

   1 | try
   2 | try

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

   2

       try

   2

       new ClassParser("force");

   3 | device.close();

   Preondition Violations
   Unmatched statement device.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

   3

       device.close();

   Precondition Violations (1)
   Row | Violation
   --- | ---
   1 | Unmatched statement device.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