129-1-2

if (isReference()) { return ((Resource) getCheckedRef()).getInputStream(); } connect(); try { return conn.getInputStream(); } finally { conn = null; }
if (isReference()) { return ((Resource) getCheckedRef()).getOutputStream(); } connect(); try { return conn.getOutputStream(); } finally { conn = null; }

Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/types/resources/URLResource.java |  | File path: /apache-ant-1.7.0/src/org/apache/tools/ant/types/resources/URLResource.java
Method name: `InputStream getInputStream()` |  | Method name: `OutputStream getOutputStream()`
Number of AST nodes: 5 |  | Number of AST nodes: 5

1

    if (isReference()) {↵

1

    if (isReference()) {↵

2

                return ((Resource) getCheckedRef()).getInputStream();↵

2

                return ((Resource) getCheckedRef()).getOutputStream();↵

3

            }↵

3

            }↵

4

            connect();↵

4

            connect();↵

5

            try {↵

5

            try {↵

6

                return conn.getInputStream();↵

6

                return conn.getOutputStream();↵

7

            } finally {↵

7

            } finally {↵

8

                conn = null;↵

8

                conn = null;↵

9

            }

9

            }

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 declared in the same class
Number of node comparisons | 14

1. {Non-refactorable}

   Mapping Summary
   Number of mapped statements | 3
   Number of unmapped statements in the first code fragment | 2
   Number of unmapped statements in the second code fragment | 2
   Time elapsed for statement mapping (ms) | 0.9
   Clone type | Type 2

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

   1

       if (isReference())

   1

       if (isReference())

   2 | return ((Resource)getCheckedRef()).getOutputStream();

   Preondition Violations
   Unmatched return ((Resource)getCheckedRef()).getOutputStream();

   2

       return ((Resource)getCheckedRef()).getOutputStream();

   2

       return ((Resource)getCheckedRef()).getInputStream();

   2 | return ((Resource)getCheckedRef()).getInputStream();

   Preondition Violations
   Unmatched return ((Resource)getCheckedRef()).getInputStream();

   3

       connect();

   3

       connect();

   4

       try

   4

       try

   5 | return conn.getOutputStream();

   Preondition Violations
   Unmatched statement return conn.getOutputStream(); 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

   5

       return conn.getOutputStream();

   5

       return conn.getInputStream();

   5 | return conn.getInputStream();

   Preondition Violations
   Unmatched statement return conn.getInputStream(); 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 (4)
   Row | Violation
   --- | ---
   1 | Unmatched return ((Resource)getCheckedRef()).getOutputStream();
   2 | Unmatched return ((Resource)getCheckedRef()).getInputStream();
   3 | Unmatched statement return conn.getOutputStream(); 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
   4 | Unmatched statement return conn.getInputStream(); 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