158-38-137

if (builderFactory == null) { try { builderFactory = DocumentBuilderFactory.newInstance(); } catch (FactoryConfigurationError e) { throw new BuildException("Document builder factory has not " + "been configured correctly: " + e.getMessage(), e); } }
try { return name.getBytes(encoding); } catch (UnsupportedEncodingException uee) { throw new ZipException(uee.getMessage()); }

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/zip/ZipOutputStream.java
Method name: `DocumentBuilderFactory getDocumentBuilderFactory()` |  | Method name: `byte[] getBytes(String)`
Number of AST nodes: 3 |  | Number of AST nodes: 2

1

    if (builderFactory == null) {↵

2

                try {↵

3

                    builderFactory = DocumentBuilderFactory.newInstance();↵

4

                } catch (FactoryConfigurationError ↵

1

    try {↵

2

                    return name.getBytes(encoding);↵

5

    e) {↵

3

                } catch (UnsupportedEncodingException uee) {↵

6

                    throw new BuildException("Document builder factory has not "↵

4

                    throw new ZipException(↵

7

                                             + "been configured correctly: "↵

8

                                             + e.getMessage(), e);↵

5

    uee.getMessage());↵

9

                }↵

6

        ↵

10

            }

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) | 0.7
   Clone type | Type 2

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

   2

       try

   2 | try
   3 | try

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   javax.xml.parsers.FactoryConfigurationError | java.io.UnsupportedEncodingException | SUBCLASS_TYPE_MISMATCH
   e | uee | VARIABLE_NAME_MISMATCH
   javax.xml.parsers.FactoryConfigurationError | java.io.UnsupportedEncodingException | SUBCLASS_TYPE_MISMATCH
   org.apache.tools.ant.BuildException | java.util.zip.ZipException | SUBCLASS_TYPE_MISMATCH
   new BuildException("Document builder factory has not " + "been configured correctly: " + e.getMessage(),e) | new ZipException(uee.getMessage()) | ARGUMENT_NUMBER_MISMATCH

   3

       try

   3

       builderFactory = DocumentBuilderFactory.newInstance();

   4 | return name.getBytes(encoding);

   Preondition Violations
   Unmatched statement return name.getBytes(encoding); 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
   Unmatched return name.getBytes(encoding);

   4

       return name.getBytes(encoding);

   Precondition Violations (2)
   Row | Violation
   --- | ---
   1 | Unmatched statement return name.getBytes(encoding); 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 return name.getBytes(encoding);