if (device != null) { try { device.close(); } catch (IOException ioex) { //ignore } }
try { os.close(); } catch (IOException e) { //ignore }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/util/FileUtils.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/PumpStreamHandler.java
Method name: void close(Writer) Method name: void setProcessInputStream(OutputStream)
Number of AST nodes: 3 Number of AST nodes: 2
1
if (device != null) {
2
            try {
1
try {
3
                device.close();
2
                os.close();
4
            } catch (IOException ioex) {
3
            } catch (IOException e) {
5
                //ignore
4
                //ignore
6
            }
5
            }
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)0.1
Clones locationClones are in different classes
Number of node comparisons4
  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 fragment0
    Time elapsed for statement mapping (ms)0.5
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    2
    try
    2
    try
    3
    try
    Differences
    Expression1Expression2Difference
    ioexeVARIABLE_NAME_MISMATCH
    3
    try
    3
    device.close();
    3
    device.close();
    4
    os.close();
    Differences
    Expression1Expression2Difference
    deviceosVARIABLE_NAME_MISMATCH
    java.io.Writerjava.io.OutputStreamVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.io.Writer of variable device does not match with type java.io.OutputStream of variable os
    • Make classes java.io.Writer and java.io.OutputStream extend a common superclass
    4
    os.close();
    Precondition Violations (1)
    Row Violation
    1Type java.io.Writer of variable device does not match with type java.io.OutputStream of variable os