if (var != null) { procEnvironment.addElement(var); } var = line;
if (rc != null) { throw new BuildException(ONE_NESTED_MESSAGE); } rc = r;
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Execute.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/ResourceCount.java
Method name: Vector getProcEnvironment() Method name: void add(ResourceCollection)
Number of AST nodes: 3 Number of AST nodes: 3
1
if (var != null) {
1
if (rc != null) {
2
                        procEnvironment.addElement(var);
2
            
3
       
3
throw new BuildException(ONE_NESTED_MESSAGE);
4
             }
4
        }
5
                    var = line;
5
        rc = r;
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
    22
    if (var != null)
    22
    if (var != null)
    1
    if (rc != null)
    Differences
    Expression1Expression2Difference
    varrcVARIABLE_NAME_MISMATCH
    java.lang.Stringorg.apache.tools.ant.types.ResourceCollectionVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.String of variable var does not match with type org.apache.tools.ant.types.ResourceCollection of variable rc
    • Make classes java.lang.String and org.apache.tools.ant.types.ResourceCollection extend a common superclass
    1
    if (rc != null)
                                                                                                    
    2
    throw new BuildException(ONE_NESTED_MESSAGE);
    Preondition Violations
    Unmatched throw new BuildException(ONE_NESTED_MESSAGE);
    2
    throw new BuildException(ONE_NESTED_MESSAGE);
    23
    procEnvironment.addElement(var);
                                                                            
                    
    3
    rc = r;
    24
    var = line;
    24
    var = line;
    Preondition Violations
    Unmatched statement var=line; cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                              
    Precondition Violations (3)
    Row Violation
    1Type java.lang.String of variable var does not match with type org.apache.tools.ant.types.ResourceCollection of variable rc
    2Unmatched throw new BuildException(ONE_NESTED_MESSAGE);
    3Unmatched statement var=line; cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted