158-41-212

try { return InetAddress.getLocalHost().getHostName(); } catch (UnknownHostException e) { return "localhost"; }
try { return (Node) elementAt(i); } catch (ArrayIndexOutOfBoundsException e) { return null; // conforming to NodeList interface }

Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/junit/XMLJUnitResultFormatter.java |  | File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/junit/DOMUtil.java
Method name: `String getHostname()` |  | Method name: `Node item(int)`
Number of AST nodes: 2 |  | Number of AST nodes: 2

1

    try {↵

1

    try {↵

2

                return InetAddress.getLocalHost().getHostName();↵

2

                    return (Node) elementAt(i);↵

3

            } catch (UnknownHostException e) {↵

3

                } catch (ArrayIndexOutOfBoundsException e) {↵

4

                return "localhost";↵

4

                    return ↵

5

    null; // conforming to NodeList interface↵

5

            }

6

                }

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) | 0.4
   Clone type | Type 2

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

   1

       try

   1 | try
   1 | try

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   java.net.UnknownHostException | java.lang.ArrayIndexOutOfBoundsException | SUBCLASS_TYPE_MISMATCH
   java.net.UnknownHostException | java.lang.ArrayIndexOutOfBoundsException | SUBCLASS_TYPE_MISMATCH
   "localhost" | null | TYPE_COMPATIBLE_REPLACEMENT

   1

       try

   2 | return (Node)elementAt(i);

   Preondition Violations
   Unmatched return (Node)elementAt(i);

   2

       return (Node)elementAt(i);

   2

       return InetAddress.getLocalHost().getHostName();

   2 | return InetAddress.getLocalHost().getHostName();

   Preondition Violations
   Unmatched statement return InetAddress.getLocalHost().getHostName(); 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
   Unmatched return InetAddress.getLocalHost().getHostName();

   Precondition Violations (3)
   Row | Violation
   --- | ---
   1 | Unmatched return (Node)elementAt(i);
   2 | Unmatched statement return InetAddress.getLocalHost().getHostName(); 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 | Unmatched return InetAddress.getLocalHost().getHostName();