Set result = new HashSet(); StringTokenizer tk = new StringTokenizer(actions, ","); while (tk.hasMoreTokens()) { String item = tk.nextToken().trim(); if (!item.equals("")) { result.add(item); } } return result;
ResourceCollection rc = getResourceCollection(); Iterator iter = rc.iterator(); if (!(iter.hasNext())) { return Collections.EMPTY_SET; } SortedBag b = new SortedBag(comp); while (iter.hasNext()) { b.add(iter.next()); } return b;
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/types/Permissions.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/types/resources/Sort.java
Method name: Set parseActions(String) Method name: Collection getCollection()
Number of AST nodes: 7 Number of AST nodes: 8
1
Set result = new HashSet();
2
            StringTokenizer tk = new StringTokenizer(actions, ",");
3
            while (tk.hasMoreTokens()) {
4
                String item = tk.nextToken().trim(
1
ResourceCollection rc = getResourceCollection();
2
        Iterator iter = rc.iterator();
3
        if (!(iter.hasNext())) {
4
            return Collections.EMPTY_SET;
5
        }
5
);
6
        SortedBag b = new SortedBag(comp);
6
                if (!item.equals("")) {
7
        while (iter.hasNext()) {
7
                    result.add(item);
8
            
8
      
9
b.add(iter.next());
9
          }
10
        }
10
            }
11
            return result;
11
        return b;
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 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)2.7
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
                                                                                                      
    1
    ResourceCollection rc = getResourceCollection();
                                                                  
    2
    Iterator iter = rc.iterator();
    4
    String item = tk.nextToken().trim();
    4
    String item = tk.nextToken().trim();
    Preondition Violations
    Unmatched statement String item=tk.nextToken().trim(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                                              
    5
    if (!item.equals(""))
    5
    if (!item.equals(""))
    3
    if (!(iter.hasNext()))
    Differences
    Expression1Expression2Difference
    item.equals("")(iter.hasNext())TYPE_COMPATIBLE_REPLACEMENT
    3
    if (!(iter.hasNext()))
                                                                    
    4
    return Collections.EMPTY_SET;
    Preondition Violations
    Unmatched return Collections.EMPTY_SET;
    4
    return Collections.EMPTY_SET;
    6
    result.add(item);
                                            
    Precondition Violations (2)
    Row Violation
    1Unmatched statement String item=tk.nextToken().trim(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    2Unmatched return Collections.EMPTY_SET;