while (true) { int nRead = in.read(buffer, 0, buffer.length); if (nRead == -1) { break; } writer.write(buffer, 0, nRead); }
while (true) { int nRead = in.read(buffer, 0, buffer.length); if (nRead == -1) { break; } out.write(buffer, 0, nRead); }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Concat.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/util/ResourceUtils.java
Method name: void concatenate(char[], Writer, Reader) Method name: void copyResource(Resource, Resource, FilterSetCollection, Vector, boolean, boolean, String, String, Project)
Number of AST nodes: 5 Number of AST nodes: 5
1
while (true) {
1
while (true) {
2
            int nRead = in.read(buffer, 0, buffer.length);
2
                    int nRead = in.read(buffer, 0, buffer.length);
3
            if (nRead == -1) {
3
                    if (nRead == -1) {
4
                break;
4
                        break;
5
            }
5
                    }
6
            writer.write(buffer, 0, nRead);
6
                    out.write(buffer, 0, nRead);
7
        }
7
                }
Summary
Number of common nesting structure subtrees1
Number of refactorable cases1
Number of non-refactorable cases0
Time elapsed for finding largest common nesting structure subtrees (ms)0.1
Clones locationClones are in different classes
Number of node comparisons13
  1. {Refactorable}
    Mapping Summary
    Number of mapped statements5
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)4.1
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    8
    while (true)
    62
    while (true)
    9
    int nRead = in.read(buffer, 0, buffer.length);
    9
    int nRead = in.read(buffer, 0, buffer.length);
    63
    int nRead = in.read(buffer, 0, buffer.length);
    Differences
    Expression1Expression2Difference
    java.io.Readerjava.io.BufferedReaderSUBCLASS_TYPE_MISMATCH
    63
    int nRead = in.read(buffer, 0, buffer.length);
    10
    if (nRead == -1)
    64
    if (nRead == -1)
    11
    break;
    65
    break;
    12
    writer.write(buffer, 0, nRead);
    12
    writer.write(buffer, 0, nRead);
    66
    out.write(buffer, 0, nRead);
    Differences
    Expression1Expression2Difference
    writeroutVARIABLE_NAME_MISMATCH
    java.io.Writerjava.io.BufferedWriterSUBCLASS_TYPE_MISMATCH
    66
    out.write(buffer, 0, nRead);
    Precondition Violations (0)
    Row Violation