if (name == null) { throw new BuildException("Name attribute is missing."); } return name;
if (perm == null) { perm = new Permissions(); } return perm;
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/XSLTProcess.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/junit/JUnitTask.java
Method name: String getName() Method name: Permissions createPermissions()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (name == null) {
1
if (perm == null) {
2
                throw new BuildException("Name attribute is missing.");
2
            perm = new Permissions();
3
            }
3
        }
4
            return name;
4
        return perm;
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)0.3
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (name == null)
    1
    if (name == null)
    1
    if (perm == null)
    Differences
    Expression1Expression2Difference
    namepermVARIABLE_NAME_MISMATCH
    java.lang.Stringorg.apache.tools.ant.types.PermissionsVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.String of variable name does not match with type org.apache.tools.ant.types.Permissions of variable perm
    • Make classes java.lang.String and org.apache.tools.ant.types.Permissions extend a common superclass
    1
    if (perm == null)
                                                        
    2
    perm = new Permissions();
    2
    throw new BuildException("Name attribute is missing.");
    2
    throw new BuildException("Name attribute is missing.");
    Preondition Violations
    Unmatched throw new BuildException("Name attribute is missing.");
                                                                                                                        
                                  
    3
    return perm;
    Preondition Violations
    Unmatched return perm;
    3
    return perm;
    3
    return name;
    3
    return name;
    Preondition Violations
    Unmatched return name;
                                  
    Precondition Violations (4)
    Row Violation
    1Type java.lang.String of variable name does not match with type org.apache.tools.ant.types.Permissions of variable perm
    2Unmatched throw new BuildException("Name attribute is missing.");
    3Unmatched return perm;
    4Unmatched return name;