int sum = 4 * data.length; for (int i = 0; i < data.length; i++) { sum += data[i].getCentralDirectoryLength().getValue(); } byte[] result = new byte[sum]; int start = 0; for (int i = 0; i < data.length; i++) { System.arraycopy(data[i].getHeaderId().getBytes(), 0, result, start, 2); System.arraycopy(data[i].getCentralDirectoryLength().getBytes(), 0, result, start + 2, 2); byte[] local = data[i].getCentralDirectoryData(); System.arraycopy(local, 0, result, start + 4, local.length); start += (local.length + 4); } return result;
int sum = 4 * data.length; for (int i = 0; i < data.length; i++) { sum += data[i].getLocalFileDataLength().getValue(); } byte[] result = new byte[sum]; int start = 0; for (int i = 0; i < data.length; i++) { System.arraycopy(data[i].getHeaderId().getBytes(), 0, result, start, 2); System.arraycopy(data[i].getLocalFileDataLength().getBytes(), 0, result, start + 2, 2); byte[] local = data[i].getLocalFileDataData(); System.arraycopy(local, 0, result, start + 4, local.length); start += (local.length + 4); } return result;
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/zip/ExtraFieldUtils.java File path: /apache-ant-1.7.0/src/org/apache/tools/zip/ExtraFieldUtils.java
Method name: byte[] mergeCentralDirectoryData(ZipExtraField[]) Method name: byte[] mergeLocalFileDataData(ZipExtraField[])
Number of AST nodes: 12 Number of AST nodes: 12
1
int sum = 4 * data.length;
1
int sum = 4 * data.length;
2
        for (int i = 0; i < data.length; i++) {
2
        for (int i = 0; i < data.length; i++) {
3
            sum += data[i].getCentralDirectoryLength().getValue();
3
            sum += data[i].getLocalFileDataLength().getValue();
4
        }
4
        }
5
        byte[] result = new byte[sum];
5
        byte[] result = new byte[sum];
6
        int start = 0;
6
        int start = 0;
7
        for (int i = 0; i < data.length; i++) {
7
        for (int i = 0; i < data.length; i++) {
8
            System.arraycopy(data[i].getHeaderId().getBytes(),
8
            System.arraycopy(data[i].getHeaderId().getBytes(),
9
                             0, result, start, 2);
9
                             0, result, start, 2);
10
            System.arraycopy(data[i].getCentralDirectoryLength().getBytes(),
10
            System.arraycopy(data[i].getLocalFileDataLength().getBytes(),
11
                             0, result, start + 2, 2);
11
                             0, result, start + 2, 2);
12
            byte[] local = data[i].getCentralDirectoryData();
12
            byte[] local = data[i].getLocalFileDataData();
13
            System.arraycopy(local, 0, result, start + 4, local.length);
13
            System.arraycopy(local, 0, result, start + 4, local.length);
14
            start += (local.length + 4);
14
            start += (local.length + 4);
15
        }
15
        }
16
        return result;
16
        return result;
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)0.5
Clones locationClones are declared in the same class
Number of node comparisons69
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements12
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)4.9
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    int sum = 4 * data.length;
    1
    int sum = 4 * data.length;
    2
    for (int i = 0; i < data.length; i++)
    2
    for (int i = 0; i < data.length; i++)
    3
    sum += data[i].getCentralDirectoryLength().getValue();
    3
    sum += data[i].getCentralDirectoryLength().getValue();
    3
    sum += data[i].getLocalFileDataLength().getValue();
    Differences
    Expression1Expression2Difference
    getCentralDirectoryLengthgetLocalFileDataLengthMETHOD_INVOCATION_NAME_MISMATCH
    Preondition Violations
    Expression data[i].getCentralDirectoryLength() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression data[i].getLocalFileDataLength() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3
    sum += data[i].getLocalFileDataLength().getValue();
    4
    byte[] result = new byte[sum];
    4
    byte[] result = new byte[sum];
    5
    int start = 0;
    5
    int start = 0;
    6
    for (int i = 0; i < data.length; i++)
    6
    for (int i = 0; i < data.length; i++)
    7
    System.arraycopy(data[i].getHeaderId().getBytes(), 0, result, start, 2);
    7
    System.arraycopy(data[i].getHeaderId().getBytes(), 0, result, start, 2);
    8
    System.arraycopy(data[i].getCentralDirectoryLength().getBytes(), 0, result, start + 2, 2);
    8
    System.arraycopy(data[i].getCentralDirectoryLength().getBytes(), 0, result, start + 2, 2);
    8
    System.arraycopy(data[i].getLocalFileDataLength().getBytes(), 0, result, start + 2, 2);
    Differences
    Expression1Expression2Difference
    getCentralDirectoryLengthgetLocalFileDataLengthMETHOD_INVOCATION_NAME_MISMATCH
    Preondition Violations
    Expression data[i].getCentralDirectoryLength() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression data[i].getLocalFileDataLength() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8
    System.arraycopy(data[i].getLocalFileDataLength().getBytes(), 0, result, start + 2, 2);
    9
    byte[] local = data[i].getCentralDirectoryData();
    9
    byte[] local = data[i].getCentralDirectoryData();
    9
    byte[] local = data[i].getLocalFileDataData();
    Differences
    Expression1Expression2Difference
    getCentralDirectoryDatagetLocalFileDataDataMETHOD_INVOCATION_NAME_MISMATCH
    Preondition Violations
    Expression data[i].getCentralDirectoryData() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression data[i].getLocalFileDataData() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    9
    byte[] local = data[i].getLocalFileDataData();
    10
    System.arraycopy(local, 0, result, start + 4, local.length);
    10
    System.arraycopy(local, 0, result, start + 4, local.length);
    11
    start += (local.length + 4);
    11
    start += (local.length + 4);
    12
    return result;
    12
    return result;
    Precondition Violations (6)
    Row Violation
    1Expression data[i].getCentralDirectoryLength() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression data[i].getLocalFileDataLength() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression data[i].getCentralDirectoryLength() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression data[i].getLocalFileDataLength() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression data[i].getCentralDirectoryData() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression data[i].getLocalFileDataData() cannot be parameterized, because it has dependencies to/from statements that will be extracted