158-24-35

try { rdr = new InputStreamReader(cat, encoding); } catch (UnsupportedEncodingException e) { throw new BuildException(e); }
try { messageDigest = MessageDigest.getInstance(algorithm); } catch (NoSuchAlgorithmException noalgo) { throw new BuildException(noalgo); }

Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/types/resources/Tokens.java |  | File path: /apache-ant-1.7.0/src/org/apache/tools/ant/types/selectors/modifiedselector/DigestAlgorithm.java
Method name: `Collection getCollection()` |  | Method name: `void initMessageDigest()`
Number of AST nodes: 2 |  | Number of AST nodes: 2

1

    try {↵

1

    try {↵

2

                    rdr = new InputStreamReader(cat, encoding);↵

2

                    messageDigest = MessageDigest.getInstance(algorithm);↵

3

                } catch (UnsupportedEncodingException e) {↵

3

                } catch (NoSuchAlgorithmException noalgo) {↵

4

                    throw new BuildException(e);↵

4

                    throw new BuildException(noalgo);↵

5

                }

5

                }

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) | 0.3
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) | 0.4
   Clone type | Type 2

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

   11

       try

   11 | try
   6 | try

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   java.io.UnsupportedEncodingException | java.security.NoSuchAlgorithmException | SUBCLASS_TYPE_MISMATCH
   e | noalgo | VARIABLE_NAME_MISMATCH
   java.io.UnsupportedEncodingException | java.security.NoSuchAlgorithmException | SUBCLASS_TYPE_MISMATCH
   e | noalgo | VARIABLE_NAME_MISMATCH
   java.io.UnsupportedEncodingException | java.security.NoSuchAlgorithmException | SUBCLASS_TYPE_MISMATCH

   6

       try

   7 | messageDigest = MessageDigest.getInstance(algorithm);

   Preondition Violations
   Unmatched statement messageDigest=MessageDigest.getInstance(algorithm); 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

   7

       messageDigest = MessageDigest.getInstance(algorithm);

   12

       rdr = new InputStreamReader(cat, encoding);

   Precondition Violations (1)
   Row | Violation
   --- | ---
   1 | Unmatched statement messageDigest=MessageDigest.getInstance(algorithm); 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