if (handler != null) { throw new BuildException( "Cannot define > 1 nested input handler"); } handler = new Handler(); return handler;
if (nestedCondition != null) { throw new BuildException("Only one nested condition is allowed."); } nestedCondition = new NestedCondition(); return nestedCondition;
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Input.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Exit.java
Method name: Handler createHandler() Method name: ConditionBase createCondition()
Number of AST nodes: 4 Number of AST nodes: 4
1
if (handler != null) {
1
if (nestedCondition != null) {
2
            throw new BuildException(
2
            throw new BuildException(
3
                "Cannot define > 1 nested input handler");
4
        }
5
        handler = new Handler
3
"Only one nested condition is allowed.");
4
        }
6
();
5
        nestedCondition = new NestedCondition();
7
        return handler;
6
        return nestedCondition;
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 having the same super class
Number of node comparisons6
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements4
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)0.7
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (handler != null)
    1
    if (handler != null)
    1
    if (nestedCondition != null)
    Differences
    Expression1Expression2Difference
    handlernestedConditionVARIABLE_NAME_MISMATCH
    org.apache.tools.ant.taskdefs.Input.Handlerorg.apache.tools.ant.taskdefs.Exit.NestedConditionSUBCLASS_TYPE_MISMATCH
    1
    if (nestedCondition != null)
    2
    throw new BuildException("Cannot define > 1 nested input handler");
    2
    throw new BuildException("Cannot define > 1 nested input handler");
    2
    throw new BuildException("Only one nested condition is allowed.");
    Differences
    Expression1Expression2Difference
    "Cannot define > 1 nested input handler""Only one nested condition is allowed."LITERAL_VALUE_MISMATCH
    2
    throw new BuildException("Only one nested condition is allowed.");
    3
    handler = new Handler();
    3
    handler = new Handler();
    3
    nestedCondition = new NestedCondition();
    Differences
    Expression1Expression2Difference
    handlernestedConditionVARIABLE_NAME_MISMATCH
    org.apache.tools.ant.taskdefs.Input.Handlerorg.apache.tools.ant.taskdefs.Exit.NestedConditionSUBCLASS_TYPE_MISMATCH
    org.apache.tools.ant.taskdefs.Input.Handlerorg.apache.tools.ant.taskdefs.Exit.NestedConditionSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression handler is a field being modified, and thus it cannot be parameterized
    Expression nestedCondition is a field being modified, and thus it cannot be parameterized
    3
    nestedCondition = new NestedCondition();
    4
    return handler;
    4
    return handler;
    4
    return nestedCondition;
    Differences
    Expression1Expression2Difference
    handlernestedConditionVARIABLE_NAME_MISMATCH
    org.apache.tools.ant.taskdefs.Input.Handlerorg.apache.tools.ant.taskdefs.Exit.NestedConditionSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression handler cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression nestedCondition cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4
    return nestedCondition;
    Precondition Violations (4)
    Row Violation
    1Expression handler is a field being modified, and thus it cannot be parameterized
    2Expression nestedCondition is a field being modified, and thus it cannot be parameterized
    3Expression handler cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression nestedCondition cannot be parameterized, because it has dependencies to/from statements that will be extracted