try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(b1); out.close(); ObjectInput in = new ObjectInputStream(new ByteArrayInputStream( buffer.toByteArray())); b2 = (BlockBorder) in.readObject(); in.close(); } catch (Exception e) { fail(e.toString()); }
try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(r1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray())); r2 = (XYBarRenderer) in.readObject(); in.close(); } catch (Exception e) { e.printStackTrace(); }
Clone fragments detected by clone detection tool
File path: /jfreechart-1.0.10/tests/org/jfree/chart/block/junit/BlockBorderTests.java File path: /jfreechart-1.0.10/tests/org/jfree/chart/renderer/xy/junit/XYBarRendererTests.java
Method name: void testSerialization() Method name: void testSerialization2()
Number of AST nodes: 8 Number of AST nodes: 8
1
try {
1
try {
2
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
2
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
3
            ObjectOutput out = new ObjectOutputStream(buffer);
3
            ObjectOutput out = new ObjectOutputStream(buffer);
4
            out.writeObject(b1);
4
            out.writeObject(r1);
5
            out.close();
5
            out.close();
6
            ObjectInput in = new ObjectInputStream(
6
            ObjectInput in = new ObjectInputStream(
7
new ByteArrayInputStream(
7
                    new ByteArrayInputStream(
8
                    buffer.toByteArray()));
8
buffer.toByteArray()));
9
            b2 = (BlockBorder) in.readObject();
9
            r2 = (XYBarRenderer) in.readObject();
10
            in.close();
10
            in.close();
11
        }
11
        }
12
        catch (Exception e) {
12
        catch (Exception e) {
13
            fail(e.toString());
13
            e.printStackTrace();
14
        }
14
        }
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 in different classes having the same super class
Number of node comparisons64
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements7
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)11.0
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    3
    try
    3
    try
    4
    try
    Differences
    Expression1Expression2Difference
    failprintStackTraceMETHOD_INVOCATION_NAME_MISMATCH
    fail(e.toString())e.printStackTrace()TYPE_COMPATIBLE_REPLACEMENT
    fail(e.toString())e.printStackTrace()ARGUMENT_NUMBER_MISMATCH
    eMISSING_METHOD_INVOCATION_EXPRESSION
    Preondition Violations
    Expression fail(e.toString()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression fail(e.toString()) is a void method call, and thus it cannot be parameterized
    Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    Expression fail(e.toString()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression fail(e.toString()) is a void method call, and thus it cannot be parameterized
    Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    4
    try
    4
    ByteArrayOutputStream buffer = new ByteArrayOutputStream();
    5
    ByteArrayOutputStream buffer = new ByteArrayOutputStream();
    5
    ObjectOutput out = new ObjectOutputStream(buffer);
    6
    ObjectOutput out = new ObjectOutputStream(buffer);
    6
    out.writeObject(b1);
    6
    out.writeObject(b1);
    7
    out.writeObject(r1);
    Differences
    Expression1Expression2Difference
    b1r1VARIABLE_NAME_MISMATCH
    org.jfree.chart.block.BlockBorderorg.jfree.chart.renderer.xy.XYBarRendererVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.jfree.chart.block.BlockBorder of variable b1 does not match with type org.jfree.chart.renderer.xy.XYBarRenderer of variable r1
    • Make classes org.jfree.chart.block.BlockBorder and org.jfree.chart.renderer.xy.XYBarRenderer extend a common superclass
    7
    out.writeObject(r1);
    7
    out.close();
    8
    out.close();
    8
    ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
    9
    ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
    9
    b2 = (BlockBorder)in.readObject();
    9
    b2 = (BlockBorder)in.readObject();
    Preondition Violations
    Unmatched statement b2=(BlockBorder)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    Unmatched statement b2=(BlockBorder)in.readObject(); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
                                                                          
                                                                                
    10
    r2 = (XYBarRenderer)in.readObject();
    Preondition Violations
    Unmatched statement r2=(XYBarRenderer)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    Unmatched statement r2=(XYBarRenderer)in.readObject(); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
    10
    r2 = (XYBarRenderer)in.readObject();
    10
    in.close();
    11
    in.close();
    Precondition Violations (13)
    Row Violation
    1Expression fail(e.toString()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression fail(e.toString()) is a void method call, and thus it cannot be parameterized
    4Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    5Expression fail(e.toString()) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression e.printStackTrace() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Expression fail(e.toString()) is a void method call, and thus it cannot be parameterized
    8Expression e.printStackTrace() is a void method call, and thus it cannot be parameterized
    9Type org.jfree.chart.block.BlockBorder of variable b1 does not match with type org.jfree.chart.renderer.xy.XYBarRenderer of variable r1
    10Unmatched statement b2=(BlockBorder)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    11Unmatched statement b2=(BlockBorder)in.readObject(); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
    12Unmatched statement r2=(XYBarRenderer)in.readObject(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    13Unmatched statement r2=(XYBarRenderer)in.readObject(); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted