if (token == null) { token = new NestedString(); } return token;
if (bootclasspath == null) { bootclasspath = new Path(p); } return bootclasspath;
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Replace.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/types/CommandlineJava.java
Method name: NestedString createReplaceToken() Method name: Path createBootclasspath(Project)
Number of AST nodes: 3 Number of AST nodes: 3
1
if (token == null) {
1
if (bootclasspath == null) {
2
            token = new NestedString();
2
            bootclasspath = new Path(p);
3
        }
3
        }
4
        return token;
4
        return bootclasspath;
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 comparisons5
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements1
    Number of unmapped statements in the first code fragment2
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)0.4
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (token == null)
    1
    if (token == null)
    1
    if (bootclasspath == null)
    Differences
    Expression1Expression2Difference
    tokenbootclasspathVARIABLE_NAME_MISMATCH
    org.apache.tools.ant.taskdefs.Replace.NestedStringorg.apache.tools.ant.types.PathVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.apache.tools.ant.taskdefs.Replace.NestedString of variable token does not match with type org.apache.tools.ant.types.Path of variable bootclasspath
    • Make classes org.apache.tools.ant.taskdefs.Replace.NestedString and org.apache.tools.ant.types.Path extend a common superclass
    1
    if (bootclasspath == null)
                                                              
    2
    bootclasspath = new Path(p);
    2
    token = new NestedString();
                                                            
                                                    
    3
    return bootclasspath;
    Preondition Violations
    Unmatched return bootclasspath;
    3
    return bootclasspath;
    3
    return token;
    3
    return token;
    Preondition Violations
    Unmatched return token;
                                    
    Precondition Violations (3)
    Row Violation
    1Type org.apache.tools.ant.taskdefs.Replace.NestedString of variable token does not match with type org.apache.tools.ant.types.Path of variable bootclasspath
    2Unmatched return bootclasspath;
    3Unmatched return token;