if (token == null) { token = new NestedString(); } return token;
if (path == null) { path = new Union(); path.setProject(getProject()); } return path;
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/taskdefs/PathConvert.java
Method name: NestedString createReplaceToken() Method name: Union getPath()
Number of AST nodes: 3 Number of AST nodes: 4
1
if (token == null) {
1
if (path == null) {
2
            token = new NestedString(
2
            path = new Union();
3
);
3
            path.setProject(getProject());
4
        }
4
        }
5
        return token;
5
        return path;
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 comparisons7
  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 fragment3
    Time elapsed for statement mapping (ms)0.4
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    if (token == null)
    1
    if (token == null)
    1
    if (path == null)
    Differences
    Expression1Expression2Difference
    tokenpathVARIABLE_NAME_MISMATCH
    org.apache.tools.ant.taskdefs.Replace.NestedStringorg.apache.tools.ant.types.resources.UnionVARIABLE_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.resources.Union of variable path
    • Make classes org.apache.tools.ant.taskdefs.Replace.NestedString and org.apache.tools.ant.types.resources.Union extend a common superclass
    1
    if (path == null)
                                            
    2
    path = new Union();
    2
    token = new NestedString();
                                                            
                                                                      
    3
    path.setProject(getProject());
    3
    return token;
    3
    return token;
    Preondition Violations
    Unmatched return token;
                                    
                                  
    4
    return path;
    Preondition Violations
    Unmatched return path;
    4
    return path;
    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.resources.Union of variable path
    2Unmatched return token;
    3Unmatched return path;