158-17-24

try { return DocumentBuilderFactory.newInstance().newDocumentBuilder(); } catch (Exception exc) { throw new ExceptionInInitializerError(exc); }
try { rdr = new InputStreamReader(cat, encoding); } catch (UnsupportedEncodingException e) { throw new BuildException(e); }

Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/XmlLogger.java |  | File path: /apache-ant-1.7.0/src/org/apache/tools/ant/types/resources/Tokens.java
Method name: `DocumentBuilder getDocumentBuilder()` |  | Method name: `Collection getCollection()`
Number of AST nodes: 2 |  | Number of AST nodes: 2

1

    try {↵

1

    try {↵

2

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

2

                ↵

3

            } catch (↵

3

        rdr = new InputStreamReader(cat, encoding);↵

4

    Exception exc) {↵

4

                } catch (UnsupportedEncodingException e) {↵

5

                throw new ExceptionInInitializerError(exc);↵

5

                    throw new BuildException↵

6

    (e);↵

6

            }

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 | 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
   11 | try

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

   11

       try

   2

       return DocumentBuilderFactory.newInstance().newDocumentBuilder();

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

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

   12

       rdr = new InputStreamReader(cat, encoding);

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