158-131-136

try { messageDigest = MessageDigest.getInstance(algorithm); } catch (NoSuchAlgorithmException noalgo) { throw new BuildException(noalgo, getLocation()); }
try { return new URL(encodeURI(file.toURL().toString())); } catch (UnsupportedEncodingException ex) { throw new MalformedURLException(ex.toString()); }

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/launch/Locator.java
Method name: `boolean validateAndExecute()` |  | Method name: `URL fileToURL(File)`
Number of AST nodes: 2 |  | Number of AST nodes: 2

1

    try {↵

1

    try {↵

2

                    messageDigest = MessageDigest.getInstance(algorithm);↵

2

                return new URL(encodeURI(file.toURL().toString()));↵

3

                } catch (NoSuchAlgorithmException noalgo) {↵

3

            } catch (UnsupportedEncodingException ex) {↵

4

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

4

                throw new MalformedURLException(ex.toString());↵

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) | 0.2
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) | 0.5
   Clone type | Type 2

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

   32

       try

   32 | try
   1 | try

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   java.security.NoSuchAlgorithmException | java.io.UnsupportedEncodingException | SUBCLASS_TYPE_MISMATCH
   noalgo | ex | VARIABLE_NAME_MISMATCH
   java.security.NoSuchAlgorithmException | java.io.UnsupportedEncodingException | SUBCLASS_TYPE_MISMATCH
   org.apache.tools.ant.BuildException | java.net.MalformedURLException | SUBCLASS_TYPE_MISMATCH
   new BuildException(noalgo,getLocation()) | new MalformedURLException(ex.toString()) | ARGUMENT_NUMBER_MISMATCH

   1

       try

   2 | return new URL(encodeURI(file.toURL().toString()));

   Preondition Violations
   Unmatched statement return new URL(encodeURI(file.toURL().toString())); 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 new URL(encodeURI(file.toURL().toString()));

   2

       return new URL(encodeURI(file.toURL().toString()));

   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 (3)
   Row | Violation
   --- | ---
   1 | Unmatched statement return new URL(encodeURI(file.toURL().toString())); 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 return new URL(encodeURI(file.toURL().toString()));
   3 | 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