if (subs != null) { throw new BuildException("Only one substitution expression is " + "allowed"); } subs = new Substitution(); return subs;
if (handler != null) { throw new BuildException( "Cannot define > 1 nested input handler"); } handler = new Handler(); return handler;
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/ReplaceRegExp.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Input.java
Method name: Substitution createSubstitution() Method name: Handler createHandler()
Number of AST nodes: 4 Number of AST nodes: 4
1
if (subs != null) {
1
if (handler != null) {
2
            throw new BuildException("Only one substitution expression is "
2
            throw new BuildException(
3
                                     + "allowed
4
");
3
                "Cannot define > 1 nested input handler");
5
        }
4
        }
6
        subs = new Substitution();
5
        handler = new Handler();
7
        return subs;
6
        return handler;
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)0.6
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (subs != null)
    1
    if (subs != null)
    1
    if (handler != null)
    Differences
    Expression1Expression2Difference
    subshandlerVARIABLE_NAME_MISMATCH
    org.apache.tools.ant.types.Substitutionorg.apache.tools.ant.taskdefs.Input.HandlerSUBCLASS_TYPE_MISMATCH
    1
    if (handler != null)
    2
    throw new BuildException("Only one substitution expression is " + "allowed");
    2
    throw new BuildException("Only one substitution expression is " + "allowed");
    2
    throw new BuildException("Cannot define > 1 nested input handler");
    Differences
    Expression1Expression2Difference
    "Only one substitution expression is " + "allowed""Cannot define > 1 nested input handler"TYPE_COMPATIBLE_REPLACEMENT
    2
    throw new BuildException("Cannot define > 1 nested input handler");
    3
    subs = new Substitution();
    3
    subs = new Substitution();
    3
    handler = new Handler();
    Differences
    Expression1Expression2Difference
    subshandlerVARIABLE_NAME_MISMATCH
    org.apache.tools.ant.types.Substitutionorg.apache.tools.ant.taskdefs.Input.HandlerSUBCLASS_TYPE_MISMATCH
    org.apache.tools.ant.types.Substitutionorg.apache.tools.ant.taskdefs.Input.HandlerSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression subs is a field being modified, and thus it cannot be parameterized
    Expression handler is a field being modified, and thus it cannot be parameterized
    3
    handler = new Handler();
    4
    return subs;
    4
    return subs;
    4
    return handler;
    Differences
    Expression1Expression2Difference
    subshandlerVARIABLE_NAME_MISMATCH
    org.apache.tools.ant.types.Substitutionorg.apache.tools.ant.taskdefs.Input.HandlerSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression subs cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression handler cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4
    return handler;
    Precondition Violations (4)
    Row Violation
    1Expression subs is a field being modified, and thus it cannot be parameterized
    2Expression handler is a field being modified, and thus it cannot be parameterized
    3Expression subs cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression handler cannot be parameterized, because it has dependencies to/from statements that will be extracted