158-131-134

try { messageDigest = MessageDigest.getInstance(algorithm); } catch (NoSuchAlgorithmException noalgo) { throw new BuildException(noalgo, getLocation()); }
if (!remoteSensitivityChecked) { try { checkRemoteSensitivity(ftp.listFiles(), ftp.printWorkingDirectory()); } catch (IOException ioe) { throw new BuildException(ioe, getLocation()); } }

Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Checksum.java |  | File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/net/FTP.java
Method name: `boolean validateAndExecute()` |  | Method name: `void forceRemoteSensitivityCheck()`
Number of AST nodes: 2 |  | Number of AST nodes: 3

1

    try {↵

2

                    messageDigest = MessageDigest.getInstance(algorithm);↵

1

    if (!remoteSensitivityChecked) {↵

2

                    try {↵

3

                        checkRemoteSensitivity(ftp.listFiles(), ftp.printWorkingDirectory());↵

3

                } catch (NoSuchAlgorithmException noalgo) {↵

4

                    } catch (↵

5

    IOException ioe) {↵

4

                    throw new BuildException(noalgo, getLocation());↵

6

                        throw new BuildException(ioe, getLocation());↵

7

                    }↵

5

                }

8

                }

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 | 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) | 5.3
   Clone type | Type 2

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

   32

       try

   32 | try
   2 | try

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   java.security.NoSuchAlgorithmException | java.io.IOException | SUBCLASS_TYPE_MISMATCH
   noalgo | ioe | VARIABLE_NAME_MISMATCH
   java.security.NoSuchAlgorithmException | java.io.IOException | SUBCLASS_TYPE_MISMATCH
   noalgo | ioe | VARIABLE_NAME_MISMATCH
   java.security.NoSuchAlgorithmException | java.io.IOException | SUBCLASS_TYPE_MISMATCH

   2

       try

   3 | checkRemoteSensitivity(ftp.listFiles(), ftp.printWorkingDirectory());

   Preondition Violations
   Unmatched statement checkRemoteSensitivity(ftp.listFiles(),ftp.printWorkingDirectory()); 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

       checkRemoteSensitivity(ftp.listFiles(), ftp.printWorkingDirectory());

   33

       messageDigest = MessageDigest.getInstance(algorithm);

   33 | 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

   Precondition Violations (2)
   Row | Violation
   --- | ---
   1 | Unmatched statement checkRemoteSensitivity(ftp.listFiles(),ftp.printWorkingDirectory()); 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
   2 | 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