158-14-32

if (basedir != null) { try { canonBase = basedir.getCanonicalFile(); } catch (IOException ex) { throw new BuildException(ex); } }
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); }

Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/DirectoryScanner.java |  | File path: /apache-ant-1.7.0/src/org/apache/tools/ant/util/RegexpPatternMapper.java
Method name: `void checkIncludePatterns()` |  | Method name: `void setFrom(String)`
Number of AST nodes: 3 |  | Number of AST nodes: 2

1

    if (basedir != null) {↵

2

                    try {↵

3

                        canonBase = basedir.getCanonicalFile();↵

4

                    } catch (IOException ex) {↵

5

           ↵

1

    try {↵

2

                reg.setPattern(from);↵

3

            } catch (NoClassDefFoundError e) {↵

4

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

5

                // get instantiated in the constructor.↵

6

                 throw new BuildException(ex);↵

6

                throw new BuildException(↵

7

                    }↵

8

        ↵

7

    "Cannot load regular expression matcher",↵

8

                                         e);↵

9

            }

9

            }

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) | 1.8
   Clone type | Type 2

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

   14

       try

   14 | try
   1 | try

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   java.io.IOException | java.lang.NoClassDefFoundError | SUBCLASS_TYPE_MISMATCH
   ex | e | VARIABLE_NAME_MISMATCH
   java.io.IOException | java.lang.NoClassDefFoundError | SUBCLASS_TYPE_MISMATCH
   new BuildException(ex) | new BuildException("Cannot load regular expression matcher",e) | ARGUMENT_NUMBER_MISMATCH

   1

       try

   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

   2

       reg.setPattern(from);

   15

       canonBase = basedir.getCanonicalFile();

   15 | canonBase = basedir.getCanonicalFile();

   Preondition Violations
   Unmatched statement canonBase=basedir.getCanonicalFile(); 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 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
   2 | Unmatched statement canonBase=basedir.getCanonicalFile(); 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