158-69-150

if (sock != null) { try { sock.close(); sock = null; } catch (IOException e) { // 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/tests/junit/org/apache/tools/mail/MailMessageTest.java |  | File path: /apache-ant-1.7.0/src/org/apache/tools/ant/AntClassLoader.java
Method name: `void disconnect()` |  | Method name: `void setClassPath(Path)`
Number of AST nodes: 4 |  | Number of AST nodes: 3

1

    if (sock != null) {↵

1

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

2

                    try {↵

2

                    try {↵

3

                        sock.close();↵

3

                        ↵

4

                        sock = null;↵

4

    addPathElement(pathElements[i]);↵

5

                    } catch (BuildException e) {↵

5

                    } catch (IOException e) {↵

6

                        // ignore path elements which are invalid↵

6

                        // ignore↵

7

                        // relative to the project↵

7

                    }↵

8

                    }↵

8

                }

9

                }

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) | 0.1
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 | 1
   Number of unmapped statements in the second code fragment | 0
   Time elapsed for statement mapping (ms) | 52.0
   Clone type | Type 3

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

   11

       try

   11 | try
   6 | try

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

   6

       try

   12

       sock.close();

   12 | sock.close();
   7 | addPathElement(pathElements[i]);

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

   Preondition Violations
   Expression sock.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 sock.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 sock.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 sock.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]);

   13

       sock = null;

   Precondition Violations (8)
   Row | Violation
   --- | ---
   1 | Expression sock.close() is a method call throwing exception(s) that should be caught by a try block that will be extracted
   2 | Expression addPathElement(pathElements[i]) is a method call throwing exception(s) that should be caught by a try block that will be extracted
   3 | Expression sock.close() is a void method call, and thus it cannot be parameterized
   4 | Expression addPathElement(pathElements[i]) is a void method call, and thus it cannot be parameterized
   5 | Expression sock.close() is a method call throwing exception(s) that should be caught by a try block that will be extracted
   6 | Expression addPathElement(pathElements[i]) is a method call throwing exception(s) that should be caught by a try block that will be extracted
   7 | Expression sock.close() is a void method call, and thus it cannot be parameterized
   8 | Expression addPathElement(pathElements[i]) is a void method call, and thus it cannot be parameterized