for (Iterator fileIt = current.filesIterator(); fileIt.hasNext();) { sendFileToRemote((File) fileIt.next(), in, out); } for (Iterator dirIt = current.directoryIterator(); dirIt.hasNext();) { Directory dir = (Directory) dirIt.next(); sendDirectoryToRemote(dir, in, out); }
for (Iterator fileIt = current.filesIterator(); fileIt.hasNext();) { sendFileToRemote(channel, (File) fileIt.next(), null); } for (Iterator dirIt = current.directoryIterator(); dirIt.hasNext();) { Directory dir = (Directory) dirIt.next(); sendDirectoryToRemote(channel, dir); }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/ssh/ScpToMessage.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/ssh/ScpToMessageBySftp.java
Method name: void sendDirectory(Directory, InputStream, OutputStream) Method name: void sendDirectory(ChannelSftp, Directory)
Number of AST nodes: 5 Number of AST nodes: 5
1
for (Iterator fileIt = current.filesIterator(); fileIt.hasNext();) {
1
for (Iterator fileIt = current.filesIterator(); fileIt.hasNext();) {
2
            sendFileToRemote((File) fileIt.next(), in, out);
2
            sendFileToRemote(channel, (File) fileIt.next(), null);
3
        }
3
        }
4
        for (Iterator dirIt = current.directoryIterator(); dirIt.hasNext();) {
4
        for (Iterator dirIt = current.directoryIterator(); dirIt.hasNext();) {
5
            Directory dir = (Directory) dirIt.next();
5
            Directory dir = (Directory) dirIt.next();
6
            sendDirectoryToRemote(dir, in, out);
6
            sendDirectoryToRemote(channel, dir);
7
        }
7
        }
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)0.6
Clones locationClones are in different classes having the same super class
Number of node comparisons17
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements3
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)12.7
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    for (Iterator fileIt = current.filesIterator(); fileIt.hasNext(); )
    1
    for (Iterator fileIt = current.filesIterator(); fileIt.hasNext(); )
    3
    for (Iterator dirIt = current.directoryIterator(); dirIt.hasNext(); )
    Differences
    Expression1Expression2Difference
    fileItdirItVARIABLE_NAME_MISMATCH
    filesIteratordirectoryIteratorMETHOD_INVOCATION_NAME_MISMATCH
    fileItdirItVARIABLE_NAME_MISMATCH
    3
    for (Iterator dirIt = current.directoryIterator(); dirIt.hasNext(); )
                                                                                      
    4
    Directory dir = (Directory)dirIt.next();
    Preondition Violations
    Unmatched statement Directory dir=(Directory)dirIt.next(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    4
    Directory dir = (Directory)dirIt.next();
    2
    sendFileToRemote((File)fileIt.next(), in, out);
    2
    sendFileToRemote((File)fileIt.next(), in, out);
    5
    sendDirectoryToRemote(channel, dir);
    Differences
    Expression1Expression2Difference
    sendFileToRemotesendDirectoryToRemoteMETHOD_INVOCATION_NAME_MISMATCH
    sendFileToRemote((File)fileIt.next(),in,out)sendDirectoryToRemote(channel,dir)ARGUMENT_NUMBER_MISMATCH
    Preondition Violations
    Expression sendFileToRemote((File)fileIt.next(),in,out) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    • Inline private method sendFileToRemote
    Expression sendFileToRemote((File)fileIt.next(),in,out) is a void method call, and thus it cannot be parameterized
    Expression sendDirectoryToRemote(channel,dir) is a void method call, and thus it cannot be parameterized
    Expression sendFileToRemote((File)fileIt.next(),in,out) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    • Inline private method sendFileToRemote
    Expression sendFileToRemote((File)fileIt.next(),in,out) is a void method call, and thus it cannot be parameterized
    Expression sendDirectoryToRemote(channel,dir) is a void method call, and thus it cannot be parameterized
    5
    sendDirectoryToRemote(channel, dir);
    3
    for (Iterator dirIt = current.directoryIterator(); dirIt.hasNext(); )
    3
    for (Iterator dirIt = current.directoryIterator(); dirIt.hasNext(); )
    1
    for (Iterator fileIt = current.filesIterator(); fileIt.hasNext(); )
    Differences
    Expression1Expression2Difference
    dirItfileItVARIABLE_NAME_MISMATCH
    directoryIteratorfilesIteratorMETHOD_INVOCATION_NAME_MISMATCH
    dirItfileItVARIABLE_NAME_MISMATCH
    1
    for (Iterator fileIt = current.filesIterator(); fileIt.hasNext(); )
                                                                                                                
    2
    sendFileToRemote(channel, (File)fileIt.next(), null);
    Preondition Violations
    Unmatched statement sendFileToRemote(channel,(File)fileIt.next(),null); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    2
    sendFileToRemote(channel, (File)fileIt.next(), null);
    4
    Directory dir = (Directory)dirIt.next();
    4
    Directory dir = (Directory)dirIt.next();
    Preondition Violations
    Unmatched statement Directory dir=(Directory)dirIt.next(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                                                      
    5
    sendDirectoryToRemote(dir, in, out);
    5
    sendDirectoryToRemote(dir, in, out);
    Preondition Violations
    Unmatched statement sendDirectoryToRemote(dir,in,out); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                                              
    Precondition Violations (11)
    Row Violation
    1Unmatched statement Directory dir=(Directory)dirIt.next(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    2Expression sendFileToRemote((File)fileIt.next(),in,out) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression sendFileToRemote((File)fileIt.next(),in,out) is a void method call, and thus it cannot be parameterized
    4Expression sendDirectoryToRemote(channel,dir) is a void method call, and thus it cannot be parameterized
    5Expression sendFileToRemote((File)fileIt.next(),in,out) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression sendFileToRemote((File)fileIt.next(),in,out) is a void method call, and thus it cannot be parameterized
    7Expression sendDirectoryToRemote(channel,dir) is a void method call, and thus it cannot be parameterized
    8Unmatched statement sendFileToRemote(channel,(File)fileIt.next(),null); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    9Unmatched statement Directory dir=(Directory)dirIt.next(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    10Unmatched statement sendDirectoryToRemote(dir,in,out); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    11Clone fragment #1 returns variables dirIt , while Clone fragment #2 returns variables fileIt, dirIt