1331-1-3

try { Constructor c = periodClass.getDeclaredConstructor(new Class[] { Date.class, TimeZone.class}); result = (RegularTimePeriod) c.newInstance(new Object[] { millisecond, zone}); } catch (Exception e) { // do nothing }
try { Constructor constructor = c.getDeclaredConstructor( new Class[] {Date.class, TimeZone.class}); result = (RegularTimePeriod) constructor.newInstance( new Object[] {millisecond, zone}); } catch (Exception e) { // do nothing, so null is returned }

Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/src/org/jfree/chart/axis/PeriodAxis.java |  | File path: /jfreechart-1.0.10/src/org/jfree/data/time/RegularTimePeriod.java
Method name: `RegularTimePeriod createInstance(Class, Date, TimeZone)` |  | Method name: `RegularTimePeriod createInstance(Class, Date, TimeZone)`
Number of AST nodes: 3 |  | Number of AST nodes: 3

1

    try {↵

1

    try {↵

2

                Constructor c = periodClass.getDeclaredConstructor(new Class[] {↵

2

                Constructor constructor = c.getDeclaredConstructor(↵

3

                        Date.class, TimeZone.class});↵

3

                        new Class[] {Date.class, TimeZone.class});↵

4

                result = (RegularTimePeriod) c.newInstance(new Object[] {↵

4

                result = (RegularTimePeriod) constructor.newInstance(↵

5

                        millisecond, zone});   ↵

5

                        new Object[] {millisecond, zone});↵

6

            }↵

6

            }↵

7

            catch (Exception e) {↵

7

            catch (Exception e) {↵

8

                // do nothing            ↵

8

                // do nothing, so null is returned            ↵

9

            }

9

            }

See real code fragment |  | See real code fragment

Summary
Number of common nesting structure subtrees | 1
Number of refactorable cases | 1
Number of non-refactorable cases | 0
Time elapsed for finding largest common nesting structure subtrees (ms) | 0.1
Clones location | Clones are in different classes
Number of node comparisons | 9

1. {Refactorable}

   Mapping Summary
   Number of mapped statements | 3
   Number of unmapped statements in the first code fragment | 0
   Number of unmapped statements in the second code fragment | 0
   Time elapsed for statement mapping (ms) | 0.6
   Clone type | Type 2

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

   2

       try

   2

       try

   3

       Constructor c = periodClass.getDeclaredConstructor(new Class[] {Date.class, TimeZone.class});

   3 | Constructor c = periodClass.getDeclaredConstructor(new Class[] {Date.class, TimeZone.class});
   3 | Constructor constructor = c.getDeclaredConstructor(new Class[] {Date.class, TimeZone.class});

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   c | constructor | VARIABLE_NAME_MISMATCH
   periodClass | c | VARIABLE_NAME_MISMATCH

   3

       Constructor constructor = c.getDeclaredConstructor(new Class[] {Date.class, TimeZone.class});

   4

       result = (RegularTimePeriod)c.newInstance(new Object[] {millisecond, zone});

   4 | result = (RegularTimePeriod)c.newInstance(new Object[] {millisecond, zone});
   4 | result = (RegularTimePeriod)constructor.newInstance(new Object[] {millisecond, zone});

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   c | constructor | VARIABLE_NAME_MISMATCH

   4

       result = (RegularTimePeriod)constructor.newInstance(new Object[] {millisecond, zone});

   Precondition Violations (0)
   Row | Violation
   --- | ---