158-3-16

try { Path result = (Path) super.clone(); result.union = union == null ? union : (Union) union.clone(); return result; } catch (CloneNotSupportedException e) { throw new BuildException(e); }
if (result == null) { try { result = (InputSource) resolveEntity.invoke(resolverImpl, new Object[] {publicId, systemId}); } catch (Exception ex) { throw new BuildException(ex); } }

Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/types/Path.java |  | File path: /apache-ant-1.7.0/src/org/apache/tools/ant/types/XMLCatalog.java
Method name: `Object clone()` |  | Method name: `InputSource resolveEntity(String, String)`
Number of AST nodes: 4 |  | Number of AST nodes: 3

1

    if (result == null) {↵

1

    try {↵

2

                        try {↵

2

                Path result = (Path) super.clone();↵

3

                ↵

3

                result.union = union == null ? union : (Union) union.clone();↵

4

                return result;↵

5

            } catch (CloneNotSupported↵

4

                result =↵

5

                                (InputSource) resolveEntity.invoke(resolverImpl,↵

6

                                                                  new Object[] {publicId, systemId});↵

6

    Exception e) {↵

7

                        } catch (Exception ex) {↵

7

                throw new BuildException(e);↵

8

                            throw new BuildException(ex);↵

9

                        }↵

8

            }

10

                    }

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 | 3
   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

       try

   1 | try
   10 | try

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   java.lang.CloneNotSupportedException | java.lang.Exception | SUBCLASS_TYPE_MISMATCH
   e | ex | VARIABLE_NAME_MISMATCH
   java.lang.CloneNotSupportedException | java.lang.Exception | SUBCLASS_TYPE_MISMATCH
   e | ex | VARIABLE_NAME_MISMATCH
   java.lang.CloneNotSupportedException | java.lang.Exception | SUBCLASS_TYPE_MISMATCH

   10

       try

   2

       Path result = (Path)super.clone();

   2 | Path result = (Path)super.clone();

   Preondition Violations
   Unmatched statement Path result=(Path)super.clone(); 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

       result.union = union == null ? union : (Union)union.clone();

   4

       return result;

   4 | return result;

   Preondition Violations
   Unmatched return result;

   11 | result = (InputSource)resolveEntity.invoke(resolverImpl, new Object[] {publicId, systemId});

   Preondition Violations
   Unmatched statement result=(InputSource)resolveEntity.invoke(resolverImpl,new Object[]{publicId,systemId}); 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

   11

       result = (InputSource)resolveEntity.invoke(resolverImpl, new Object[] {publicId, systemId});

   Precondition Violations (3)
   Row | Violation
   --- | ---
   1 | Unmatched statement Path result=(Path)super.clone(); 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 result;
   3 | Unmatched statement result=(InputSource)resolveEntity.invoke(resolverImpl,new Object[]{publicId,systemId}); 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