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
            }
Summary
Number of common nesting structure subtrees1
Number of refactorable cases0
Number of non-refactorable cases1
Time elapsed for finding largest common nesting structure subtrees (ms)0.2
Clones locationClones are declared in the same class
Number of node comparisons5
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements2
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)540.3
    Clone typeType 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
    Expression1Expression2Difference
    java.io.IOExceptionorg.apache.tools.ant.BuildExceptionSUBCLASS_TYPE_MISMATCH
    ioeeVARIABLE_NAME_MISMATCH
    java.io.IOExceptionorg.apache.tools.ant.BuildExceptionSUBCLASS_TYPE_MISMATCH
    6
    try
    4
    zipFile.close();
    4
    zipFile.close();
    7
    addPathElement(pathElements[i]);
    Differences
    Expression1Expression2Difference
    closeaddPathElementMETHOD_INVOCATION_NAME_MISMATCH
    zipFile.close()addPathElement(pathElements[i])ARGUMENT_NUMBER_MISMATCH
    zipFileMISSING_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
    1Unmatched 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
    2Expression zipFile.close() is a method call throwing exception(s) that should be caught by a try block that will be extracted
    3Expression addPathElement(pathElements[i]) is a method call throwing exception(s) that should be caught by a try block that will be extracted
    4Expression zipFile.close() is a void method call, and thus it cannot be parameterized
    5Expression addPathElement(pathElements[i]) is a void method call, and thus it cannot be parameterized
    6Expression zipFile.close() is a method call throwing exception(s) that should be caught by a try block that will be extracted
    7Expression addPathElement(pathElements[i]) is a method call throwing exception(s) that should be caught by a try block that will be extracted
    8Expression zipFile.close() is a void method call, and thus it cannot be parameterized
    9Expression addPathElement(pathElements[i]) is a void method call, and thus it cannot be parameterized