158-11-33

int cOptions = getCompilerOptions(options); try { RE reg = new RE(pattern); reg.setMatchFlags(cOptions); return reg; } catch (RESyntaxException e) { throw new BuildException(e); }
try { return DocumentBuilderFactory.newInstance().newDocumentBuilder(); } catch (Exception e) { throw new ExceptionInInitializerError(e); }

Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/util/regexp/JakartaRegexpMatcher.java |  | File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/EchoProperties.java
Method name: `RE getCompiledPattern(int)` |  | Method name: `DocumentBuilder getDocumentBuilder()`
Number of AST nodes: 5 |  | Number of AST nodes: 2

1

    int cOptions = getCompilerOptions(options);↵

2

            try {↵

3

                RE reg = new RE(pattern);↵

4

                reg.setMatchFlags(cOptions);↵

5

                return reg↵

1

    try {↵

6

    ;↵

2

                return DocumentBuilderFactory.newInstance().newDocumentBuilder();↵

7

            } catch (RESyntaxException e) {↵

3

            } catch (Exception e) {↵

8

                throw new BuildException(e);↵

4

                throw new ExceptionInInitializerError(e);↵

9

            }

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 | 8

1. {Non-refactorable}

   Mapping Summary
   Number of mapped statements | 1
   Number of unmapped statements in the first code fragment | 4
   Number of unmapped statements in the second code fragment | 1
   Time elapsed for statement mapping (ms) | 0.6
   Clone type | Type 3

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

   1

       int cOptions = getCompilerOptions(options);

   2

       try

   2 | try
   1 | try

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   org.apache.regexp.RESyntaxException | java.lang.Exception | SUBCLASS_TYPE_MISMATCH
   org.apache.regexp.RESyntaxException | java.lang.Exception | SUBCLASS_TYPE_MISMATCH
   org.apache.tools.ant.BuildException | java.lang.ExceptionInInitializerError | SUBCLASS_TYPE_MISMATCH
   org.apache.regexp.RESyntaxException | java.lang.Exception | SUBCLASS_TYPE_MISMATCH

   1

       try

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

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

   2

       return DocumentBuilderFactory.newInstance().newDocumentBuilder();

   3

       RE reg = new RE(pattern);

   4

       reg.setMatchFlags(cOptions);

   5

       return reg;

   5 | return reg;

   Preondition Violations
   Unmatched return reg;

   Precondition Violations (2)
   Row | Violation
   --- | ---
   1 | Unmatched return DocumentBuilderFactory.newInstance().newDocumentBuilder();
   2 | Unmatched return reg;