158-8-36

try { // compute the compiler options based on the input options first Pattern p = compiler.compile(pattern, getCompilerOptions(options)); return p; } catch (Exception e) { throw new BuildException(e); }
try { return DocumentBuilderFactory.newInstance().newDocumentBuilder(); } catch (Exception exc) { throw new ExceptionInInitializerError(exc); }

Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/util/regexp/JakartaOroMatcher.java |  | File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/junit/XMLJUnitResultFormatter.java
Method name: `Pattern getCompiledPattern(int)` |  | Method name: `DocumentBuilder getDocumentBuilder()`
Number of AST nodes: 3 |  | Number of AST nodes: 2

1

    try {↵

1

    try {↵

2

                // compute the compiler options based on the input options first↵

2

                return DocumentBuilder↵

3

                Pattern p = compiler.compile(pattern, getCompilerOptions(options));↵

3

    Factory.newInstance().newDocumentBuilder↵

4

                return p;↵

4

    ();↵

5

            } catch (Exception e) {↵

5

            } catch (Exception exc) {↵

6

                throw new BuildException(e);↵

6

                throw new ExceptionInInitializerError(exc);↵

7

            }

7

            }

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 | 6

1. {Non-refactorable}

   Mapping Summary
   Number of mapped statements | 1
   Number of unmapped statements in the first code fragment | 2
   Number of unmapped statements in the second code fragment | 1
   Time elapsed for statement mapping (ms) | 0.5
   Clone type | Type 3

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

   1

       try

   1 | try
   1 | try

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   e | exc | VARIABLE_NAME_MISMATCH
   org.apache.tools.ant.BuildException | java.lang.ExceptionInInitializerError | SUBCLASS_TYPE_MISMATCH
   e | exc | VARIABLE_NAME_MISMATCH

   1

       try

   2 | return DocumentBuilderFactory.newInstance().newDocumentBuilder();

   Preondition Violations
   Unmatched return DocumentBuilderFactory.newInstance().newDocumentBuilder();

   2

       return DocumentBuilderFactory.newInstance().newDocumentBuilder();

   2

       Pattern p = compiler.compile(pattern, getCompilerOptions(options));

   2 | Pattern p = compiler.compile(pattern, getCompilerOptions(options));

   Preondition Violations
   Unmatched statement Pattern p=compiler.compile(pattern,getCompilerOptions(options)); 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

       return p;

   3 | return p;

   Preondition Violations
   Unmatched return p;

   Precondition Violations (3)
   Row | Violation
   --- | ---
   1 | Unmatched return DocumentBuilderFactory.newInstance().newDocumentBuilder();
   2 | Unmatched statement Pattern p=compiler.compile(pattern,getCompilerOptions(options)); 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 | Unmatched return p;