150-3-4

in = source.getInputStream(); out = dest.getOutputStream(); byte[] buffer = new byte[FileUtils.BUF_SIZE]; int count = 0; do { out.write(buffer, 0, count); count = in.read(buffer, 0, buffer.length); } while (count != -1);
byte[] buffer = new byte[8 * 1024]; int count = 0; do { zOut.write(buffer, 0, count); count = in.read(buffer, 0, buffer.length); } while (count != -1);

Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/util/ResourceUtils.java |  | File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Pack.java
Method name: `void copyResource(Resource, Resource, FilterSetCollection, Vector, boolean, boolean, String, String, Project)` |  | Method name: `void zipFile(InputStream, OutputStream)`
Number of AST nodes: 7 |  | Number of AST nodes: 5

1

    in = source.getInputStream();↵

2

                    out = dest.getOutputStream();↵

3

                    byte[] buffer = new byte[FileUtils.BUF_SIZE];↵

1

    byte[] buffer = new byte[↵

4

       ↵

2

    8 * 1024];↵

5

                 int count = 0;↵

3

            int count = 0;↵

6

                    do {↵

4

            do {↵

7

                        out.write(buffer, 0, count);↵

5

                zOut.write(buffer, 0, count);↵

8

                        count = in.read(buffer, 0, buffer.length);↵

6

                count = in.read(buffer, 0, buffer.length);↵

9

                    } while (count != -1);

7

            } while (count != -1);

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) | 0.2
Clones location | Clones are in different classes
Number of node comparisons | 17

1. {Refactorable}

   Mapping Summary
   Number of mapped statements | 5
   Number of unmapped statements in the first code fragment | 2
   Number of unmapped statements in the second code fragment | 0
   Time elapsed for statement mapping (ms) | 2.5
   Clone type | Type 2

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

   72

       byte[] buffer = new byte[FileUtils.BUF_SIZE];

   72 | byte[] buffer = new byte[FileUtils.BUF_SIZE];
   1 | byte[] buffer = new byte[8 * 1024];

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   FileUtils.BUF_SIZE | 8 * 1024 | TYPE_COMPATIBLE_REPLACEMENT

   1

       byte[] buffer = new byte[8 * 1024];

   73

       int count = 0;

   2

       int count = 0;

   76

       do while(count != -1)

   5

       do while(count != -1)

   74

       out.write(buffer, 0, count);

   74 | out.write(buffer, 0, count);
   3 | zOut.write(buffer, 0, count);

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   out | zOut | VARIABLE_NAME_MISMATCH

   3

       zOut.write(buffer, 0, count);

   75

       count = in.read(buffer, 0, buffer.length);

   4

       count = in.read(buffer, 0, buffer.length);

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