158-48-150

for (Enumeration e = zipFiles.elements(); e.hasMoreElements();) { ZipFile zipFile = (ZipFile) e.nextElement(); try { zipFile.close(); } catch (IOException ioe) { // ignore } }
for (int i = 0; i < pathElements.length; ++i) { try { addPathElement(pathElements[i]); } catch (BuildException e) { // ignore path elements which are invalid // relative to the project } }

Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/AntClassLoader.java |  | File path: /apache-ant-1.7.0/src/org/apache/tools/ant/AntClassLoader.java
Method name: `void cleanup()` |  | Method name: `void setClassPath(Path)`
Number of AST nodes: 4 |  | Number of AST nodes: 3

1

    for (Enumeration e = zipFiles.elements(); e.hasMoreElements();) {↵

1

    for (↵

2

                ZipFile zipFile = (ZipFile) e.nextElement();↵

2

    int i = 0; i < pathElements.length; ++i) {↵

3

                    try {↵

3

                try {↵

4

                ↵

4

                    zipFile.close();↵

5

            ↵

6

    addPathElement(pathElements[i]);↵

5

                } catch (IOException ioe) {↵

7

                    } catch (BuildException e) {↵

6

                    // ignore↵

8

                        // ignore↵

7

                }↵

9

     path elements which are invalid↵

10

                        // relative to the project↵

11

                    }↵

8

            }

12

                }

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 declared in the same class
Number of node comparisons | 5

1. {Non-refactorable}

   Mapping Summary
   Number of mapped statements | 2
   Number of unmapped statements in the first code fragment | 1
   Number of unmapped statements in the second code fragment | 0
   Time elapsed for statement mapping (ms) | 540.3
   Clone type | Type 3

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

   2

       ZipFile zipFile = (ZipFile)e.nextElement();

   2 | ZipFile zipFile = (ZipFile)e.nextElement();

   Preondition Violations
   Unmatched statement ZipFile zipFile=(ZipFile)e.nextElement(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted

   3

       try

   3 | try
   6 | try

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   java.io.IOException | org.apache.tools.ant.BuildException | SUBCLASS_TYPE_MISMATCH
   ioe | e | VARIABLE_NAME_MISMATCH
   java.io.IOException | org.apache.tools.ant.BuildException | SUBCLASS_TYPE_MISMATCH

   6

       try

   4

       zipFile.close();

   4 | zipFile.close();
   7 | addPathElement(pathElements[i]);

   Differences
   Expression1 | Expression2 | Difference
   --- | --- | ---
   close | addPathElement | METHOD_INVOCATION_NAME_MISMATCH
   zipFile.close() | addPathElement(pathElements[i]) | ARGUMENT_NUMBER_MISMATCH
   zipFile |  | MISSING_METHOD_INVOCATION_EXPRESSION

   Preondition Violations
   Expression zipFile.close() is a method call throwing exception(s) that should be caught by a try block that will be extracted
   Expression addPathElement(pathElements[i]) is a method call throwing exception(s) that should be caught by a try block that will be extracted
   Expression zipFile.close() is a void method call, and thus it cannot be parameterized
   Expression addPathElement(pathElements[i]) is a void method call, and thus it cannot be parameterized
   Expression zipFile.close() is a method call throwing exception(s) that should be caught by a try block that will be extracted
   Expression addPathElement(pathElements[i]) is a method call throwing exception(s) that should be caught by a try block that will be extracted
   Expression zipFile.close() is a void method call, and thus it cannot be parameterized
   Expression addPathElement(pathElements[i]) is a void method call, and thus it cannot be parameterized

   7

       addPathElement(pathElements[i]);

   Precondition Violations (9)
   Row | Violation
   --- | ---
   1 | Unmatched statement ZipFile zipFile=(ZipFile)e.nextElement(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
   2 | Expression zipFile.close() is a method call throwing exception(s) that should be caught by a try block that will be extracted
   3 | Expression addPathElement(pathElements[i]) is a method call throwing exception(s) that should be caught by a try block that will be extracted
   4 | Expression zipFile.close() is a void method call, and thus it cannot be parameterized
   5 | Expression addPathElement(pathElements[i]) is a void method call, and thus it cannot be parameterized
   6 | Expression zipFile.close() is a method call throwing exception(s) that should be caught by a try block that will be extracted
   7 | Expression addPathElement(pathElements[i]) is a method call throwing exception(s) that should be caught by a try block that will be extracted
   8 | Expression zipFile.close() is a void method call, and thus it cannot be parameterized
   9 | Expression addPathElement(pathElements[i]) is a void method call, and thus it cannot be parameterized