158-30-83

if (signatureVersion != null) { try { Attribute svAttr = new Attribute(ATTRIBUTE_SIGNATURE_VERSION, signatureVersion); mainSection.addConfiguredAttribute(svAttr); } catch (ManifestException e) { // shouldn't happen - ignore } }
if (r1 != null) { try { r1.close(); } catch (IOException e) { } }

Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Manifest.java |  | File path: /apache-ant-1.7.0/src/tests/junit/org/apache/tools/ant/taskdefs/JarTest.java
Method name: `void write(PrintWriter)` |  | Method name: `void tearDown()`
Number of AST nodes: 4 |  | Number of AST nodes: 3

1

    if (signatureVersion != null) {↵

1

    if (r1 != null) {↵

2

                try {↵

2

                try {↵

3

                    Attribute svAttr = new Attribute(ATTRIBUTE_SIGNATURE_VERSION,↵

3

                    ↵

4

                        signatureVersion);↵

5

                    mainSection.addConfiguredAttribute(svAttr);↵

4

    r1.close();↵

6

                } catch (ManifestException e) {↵

5

                } catch (IOException e) {↵

7

                    // shouldn't happen - ignore↵

8

                }↵

6

                }↵

9

            }

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 | 7

1. {Non-refactorable}

   Mapping Summary
   Number of mapped statements | 2
   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) | 0.7
   Clone type | Type 3

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

   7

       if (signatureVersion != null)

   7 | if (signatureVersion != null)
   1 | if (r1 != null)

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   signatureVersion | r1 | VARIABLE_NAME_MISMATCH
   java.lang.String | java.io.Reader | VARIABLE_TYPE_MISMATCH

   Preondition Violations

   Type java.lang.String of variable signatureVersion does not match with type java.io.Reader of variable r1
   - Make classes java.lang.String and java.io.Reader extend a common superclass

   1

       if (r1 != null)

   8

       try

   8 | try
   2 | try

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   org.apache.tools.ant.taskdefs.ManifestException | java.io.IOException | SUBCLASS_TYPE_MISMATCH
   org.apache.tools.ant.taskdefs.ManifestException | java.io.IOException | SUBCLASS_TYPE_MISMATCH

   2

       try

   3 | r1.close();

   Preondition Violations
   Unmatched statement r1.close(); 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

       r1.close();

   9

       Attribute svAttr = new Attribute(ATTRIBUTE_SIGNATURE_VERSION, signatureVersion);

   10

       mainSection.addConfiguredAttribute(svAttr);

   10 | mainSection.addConfiguredAttribute(svAttr);

   Preondition Violations
   Unmatched statement mainSection.addConfiguredAttribute(svAttr); 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

   Precondition Violations (3)
   Row | Violation
   --- | ---
   1 | Type java.lang.String of variable signatureVersion does not match with type java.io.Reader of variable r1
   2 | Unmatched statement r1.close(); 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 statement mainSection.addConfiguredAttribute(svAttr); 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