158-20-36

try { return getDocumentBuilderFactory().newDocumentBuilder(); } catch (ParserConfigurationException 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/JAXPUtils.java |  | File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/junit/XMLJUnitResultFormatter.java
Method name: `DocumentBuilder getDocumentBuilder()` |  | Method name: `DocumentBuilder getDocumentBuilder()`
Number of AST nodes: 2 |  | Number of AST nodes: 2

1

    try {↵

1

    try {↵

2

                return getDocumentBuilderFactory().newDocumentBuilder();↵

2

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

3

            } catch (ParserConfigurationException e) {↵

3

            } catch (Exception exc) {↵

4

                throw new BuildException(e);↵

4

                throw new ExceptionInInitializerError(exc);↵

5

            }

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 | 4

1. {Non-refactorable}

   Mapping Summary
   Number of mapped statements | 2
   Number of unmapped statements in the first code fragment | 0
   Number of unmapped statements in the second code fragment | 0
   Time elapsed for statement mapping (ms) | 0.7
   Clone type | Type 2

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

   1

       try

   1 | try
   1 | try

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   javax.xml.parsers.ParserConfigurationException | java.lang.Exception | SUBCLASS_TYPE_MISMATCH
   e | exc | VARIABLE_NAME_MISMATCH
   javax.xml.parsers.ParserConfigurationException | java.lang.Exception | SUBCLASS_TYPE_MISMATCH
   org.apache.tools.ant.BuildException | java.lang.ExceptionInInitializerError | SUBCLASS_TYPE_MISMATCH
   e | exc | VARIABLE_NAME_MISMATCH
   javax.xml.parsers.ParserConfigurationException | java.lang.Exception | SUBCLASS_TYPE_MISMATCH

   1

       try

   2

       return getDocumentBuilderFactory().newDocumentBuilder();

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

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   getDocumentBuilderFactory | newInstance | METHOD_INVOCATION_NAME_MISMATCH
   | DocumentBuilderFactory | MISSING_METHOD_INVOCATION_EXPRESSION

   Preondition Violations

   Expression getDocumentBuilderFactory() is a method call throwing exception(s) that should be caught by a try block that will be extracted
   - Inline private method getDocumentBuilderFactory

   Expression getDocumentBuilderFactory() is a method call throwing exception(s) that should be caught by a try block that will be extracted
   - Inline private method getDocumentBuilderFactory

   2

       return DocumentBuilderFactory.newInstance().newDocumentBuilder();

   Precondition Violations (2)
   Row | Violation
   --- | ---
   1 | Expression getDocumentBuilderFactory() is a method call throwing exception(s) that should be caught by a try block that will be extracted
   2 | Expression getDocumentBuilderFactory() is a method call throwing exception(s) that should be caught by a try block that will be extracted