if (err != null) { createProcessErrorPump(is, err); }
if (in != null) { in.close(); slack = null; in = null; }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/PumpStreamHandler.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/util/ReaderInputStream.java
Method name: void setProcessErrorStream(InputStream) Method name: void close()
Number of AST nodes: 2 Number of AST nodes: 4
1
if (err != null) {
1
if (in != null) {
2
            createProcessErrorPump(is, err)
2
            in.close();
3
            slack = null;
3
;
4
            in = null;
4
        }
5
        }
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)0.1
Clones locationClones are in different classes
Number of node comparisons8
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements2
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)0.9
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    if (err != null)
    1
    if (err != null)
    1
    if (in != null)
    Differences
    Expression1Expression2Difference
    errinVARIABLE_NAME_MISMATCH
    java.io.OutputStreamjava.io.ReaderVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.io.OutputStream of variable err does not match with type java.io.Reader of variable in
    • Make classes java.io.OutputStream and java.io.Reader extend a common superclass
    1
    if (in != null)
    2
    createProcessErrorPump(is, err);
    2
    createProcessErrorPump(is, err);
    2
    in.close();
    Differences
    Expression1Expression2Difference
    createProcessErrorPumpcloseMETHOD_INVOCATION_NAME_MISMATCH
    createProcessErrorPump(is,err)in.close()ARGUMENT_NUMBER_MISMATCH
    inMISSING_METHOD_INVOCATION_EXPRESSION
    Preondition Violations
    Expression createProcessErrorPump(is,err) is a void method call, and thus it cannot be parameterized
    Expression in.close() is a void method call, and thus it cannot be parameterized
    Expression createProcessErrorPump(is,err) is a void method call, and thus it cannot be parameterized
    Expression in.close() is a void method call, and thus it cannot be parameterized
    2
    in.close();
                                
    3
    slack = null;
                          
    4
    in = null;
    Precondition Violations (5)
    Row Violation
    1Type java.io.OutputStream of variable err does not match with type java.io.Reader of variable in
    2Expression createProcessErrorPump(is,err) is a void method call, and thus it cannot be parameterized
    3Expression in.close() is a void method call, and thus it cannot be parameterized
    4Expression createProcessErrorPump(is,err) is a void method call, and thus it cannot be parameterized
    5Expression in.close() is a void method call, and thus it cannot be parameterized