if (newProject == null) { reinit(); } return newProject;
if (token == null) { token = new NestedString(); } return token;
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Ant.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Replace.java
Method name: Project getNewProject() Method name: NestedString createReplaceToken()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (newProject == null) {
1
if (token == null) {
2
            reinit();
2
            token = new NestedString();
3
        }
3
        }
4
        return newProject;
4
        return token;
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 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 (newProject == null)
    1
    if (newProject == null)
    1
    if (token == null)
    Differences
    Expression1Expression2Difference
    newProjecttokenVARIABLE_NAME_MISMATCH
    org.apache.tools.ant.Projectorg.apache.tools.ant.taskdefs.Replace.NestedStringVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.apache.tools.ant.Project of variable newProject does not match with type org.apache.tools.ant.taskdefs.Replace.NestedString of variable token
    • Make classes org.apache.tools.ant.Project and org.apache.tools.ant.taskdefs.Replace.NestedString extend a common superclass
    1
    if (token == null)
                                                            
    2
    token = new NestedString();
    2
    reinit();
                            
                                    
    3
    return token;
    Preondition Violations
    Unmatched return token;
    3
    return token;
    3
    return newProject;
    3
    return newProject;
    Preondition Violations
    Unmatched return newProject;
                                              
    Precondition Violations (3)
    Row Violation
    1Type org.apache.tools.ant.Project of variable newProject does not match with type org.apache.tools.ant.taskdefs.Replace.NestedString of variable token
    2Unmatched return token;
    3Unmatched return newProject;