while (iter.hasNext()) { FileResource r = (FileResource) iter.next(); File f = r.getFile(); if (f == null) { f = new File(r.getBaseDir(), r.getName()); } tarFile(f, tOut, f.getName(), tfs); }
while (depEnum.hasMoreElements()) { String dependentClass = (String) depEnum.nextElement(); Hashtable affectedClasses = (Hashtable) affectedClassMap.get(dependentClass); if (affectedClasses == null) { affectedClasses = new Hashtable(); affectedClassMap.put(dependentClass, affectedClasses); } affectedClasses.put(info.className, info); }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Tar.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/depend/Depend.java
Method name: void tar(ResourceCollection, TarOutputStream) Method name: void determineDependencies()
Number of AST nodes: 6 Number of AST nodes: 7
1
while (iter.hasNext()) {
1
while (depEnum.hasMoreElements()) {
2
                FileResource r = (FileResource) iter.next();
2
                String dependentClass = (String) depEnum.nextElement();
3
                File f = r.getFile(
3
                Hashtable affectedClasses
4
);
4
                    = (Hashtable) affectedClassMap.get(dependentClass);
5
                if (f == null) {
5
                if (affectedClasses == null) {
6
                    f = new File(r.getBaseDir(), r.getName()
6
                    affectedClasses = new Hashtable();
7
);
7
                    affectedClassMap.put(dependentClass, affectedClasses);
8
                }
8
                }
9
                tarFile(f, tOut, f.getName(), tfs);
9
                affectedClasses.put(info.className, info);
10
            }
10
            }
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)0.2
Clones locationClones are in different classes having the same super class
Number of node comparisons11
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements1
    Number of unmapped statements in the first code fragment3
    Number of unmapped statements in the second code fragment4
    Time elapsed for statement mapping (ms)0.9
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    17
    FileResource r = (FileResource)iter.next();
                                                                                              
    18
    File f = r.getFile();
    18
    File f = r.getFile();
    Preondition Violations
    Unmatched statement File f=r.getFile(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                  
                                                                                                                    
    36
    String dependentClass = (String)depEnum.nextElement();
                                                                                                                                                                
    37
    Hashtable affectedClasses = (Hashtable)affectedClassMap.get(dependentClass);
    Preondition Violations
    Unmatched statement Hashtable affectedClasses=(Hashtable)affectedClassMap.get(dependentClass); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    37
    Hashtable affectedClasses = (Hashtable)affectedClassMap.get(dependentClass);
    19
    if (f == null)
    19
    if (f == null)
    38
    if (affectedClasses == null)
    Differences
    Expression1Expression2Difference
    faffectedClassesVARIABLE_NAME_MISMATCH
    java.io.Filejava.util.HashtableVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.io.File of variable f does not match with type java.util.Hashtable of variable affectedClasses
    • Make classes java.io.File and java.util.Hashtable extend a common superclass
    38
    if (affectedClasses == null)
    20
    f = new File(r.getBaseDir(), r.getName());
    20
    f = new File(r.getBaseDir(), r.getName());
    Preondition Violations
    Unmatched statement f=new File(r.getBaseDir(),r.getName()); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
                                                                                          
                                                                            
    39
    affectedClasses = new Hashtable();
    Preondition Violations
    Unmatched statement affectedClasses=new Hashtable(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    39
    affectedClasses = new Hashtable();
                                                                                                                      
    40
    affectedClassMap.put(dependentClass, affectedClasses);
    Precondition Violations (5)
    Row Violation
    1Unmatched statement File f=r.getFile(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    2Unmatched statement Hashtable affectedClasses=(Hashtable)affectedClassMap.get(dependentClass); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    3Type java.io.File of variable f does not match with type java.util.Hashtable of variable affectedClasses
    4Unmatched statement f=new File(r.getBaseDir(),r.getName()); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    5Unmatched statement affectedClasses=new Hashtable(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted