158-32-136

try { reg.setPattern(from); } catch (NoClassDefFoundError e) { // depending on the implementation the actual RE won't // get instantiated in the constructor. throw new BuildException("Cannot load regular expression matcher", e); }
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/util/RegexpPatternMapper.java |  | File path: /apache-ant-1.7.0/src/org/apache/tools/ant/launch/Locator.java
Method name: `void setFrom(String)` |  | Method name: `URL fileToURL(File)`
Number of AST nodes: 2 |  | Number of AST nodes: 2

1

    try {↵

1

    try {↵

2

                reg.setPattern(from);↵

2

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

3

            } catch (NoClassDefFoundError e) {↵

3

            } catch (↵

4

                // depending on the implementation the actual RE won't↵

5

                // get instantiated in the constructor.↵

6

                throw new BuildException("Cannot load regular expression matcher",↵

7

                                         e↵

4

    UnsupportedEncodingException ex) {↵

8

    );↵

5

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

9

            }

6

            }

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
   --- | --- | --- | --- | ---

   1

       try

   1 | try
   1 | try

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   java.lang.NoClassDefFoundError | java.io.UnsupportedEncodingException | SUBCLASS_TYPE_MISMATCH
   e | ex | VARIABLE_NAME_MISMATCH
   java.lang.NoClassDefFoundError | java.io.UnsupportedEncodingException | SUBCLASS_TYPE_MISMATCH
   org.apache.tools.ant.BuildException | java.net.MalformedURLException | SUBCLASS_TYPE_MISMATCH
   new BuildException("Cannot load regular expression matcher",e) | 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()));

   2

       reg.setPattern(from);

   2 | reg.setPattern(from);

   Preondition Violations
   Unmatched statement reg.setPattern(from); 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 reg.setPattern(from); 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