158-166-204

if (slowScanning) { while (slowScanning) { try { slowScanLock.wait(); } catch (InterruptedException e) { // Empty } } return; }
if (source != null) { try { source = FILE_UTILS.normalize(source.getAbsolutePath()); } catch (BuildException e) { // relative path } } return source;

Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/DirectoryScanner.java |  | File path: /apache-ant-1.7.0/src/org/apache/tools/ant/util/LoaderUtils.java
Method name: `void slowScan()` |  | Method name: `File normalizeSource(File)`
Number of AST nodes: 5 |  | Number of AST nodes: 4

1

    if (slowScanning) {↵

1

    if (s↵

2

                    while (slowScanning) {↵

2

    ource != null) {↵

3

                        try {↵

3

                ↵

4

                            slowScanLock.wait();↵

5

            ↵

4

    try {↵

5

                    source = FILE_UTILS.normalize(source.getAbsolutePath());↵

6

                } catch (InterruptedException e) {↵

6

                } catch (BuildException e) {↵

7

                            // Empty↵

7

                    ↵

8

            ↵

8

    // relative path↵

9

                }↵

9

                }↵

10

                    }↵

10

            ↵

11

        ↵

11

    }↵

12

                return;↵

12

            return↵

13

                }

13

     source;

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 | 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) | 0.5
   Clone type | Type 2

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

   6

       try

   6 | try
   2 | try

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   java.lang.InterruptedException | org.apache.tools.ant.BuildException | SUBCLASS_TYPE_MISMATCH
   java.lang.InterruptedException | org.apache.tools.ant.BuildException | SUBCLASS_TYPE_MISMATCH

   2

       try

   3 | source = FILE_UTILS.normalize(source.getAbsolutePath());

   Preondition Violations
   Unmatched statement source=FILE_UTILS.normalize(source.getAbsolutePath()); 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

       source = FILE_UTILS.normalize(source.getAbsolutePath());

   7

       slowScanLock.wait();

   7 | slowScanLock.wait();

   Preondition Violations
   Unmatched statement slowScanLock.wait(); 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

   Precondition Violations (2)
   Row | Violation
   --- | ---
   1 | Unmatched statement source=FILE_UTILS.normalize(source.getAbsolutePath()); 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 slowScanLock.wait(); 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