baseDir = getKeyFile(baseDir); List l = (List) m.get(baseDir); if (l == null) { l = new ArrayList(names.length); m.put(baseDir, l); } l.addAll(java.util.Arrays.asList(names));
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/Copy.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/depend/Depend.java
Method name: void add(File, String[], Map) Method name: void determineDependencies()
Number of AST nodes: 6 Number of AST nodes: 7
1
baseDir = getKeyFile(baseDir);
2
            List l = (List) m.get(baseDir);
1
while (depEnum.hasMoreElements()) {
2
                String dependentClass = (String) depEnum.nextElement();
3
                Hashtable affectedClasses
4
                    = (Hashtable) affectedClassMap.get(dependentClass);
3
            if (l == null) {
5
                if (affectedClasses == null) {
4
                l = new ArrayList(names.length);
6
                
5
                m.put(baseDir, l
7
    affectedClasses = new Hashtable();
6
);
8
                    affectedClassMap.put(dependentClass, affectedClasses);
7
            }
9
                }
8
            l.addAll(java.util.Arrays.asList(names));
10
                affectedClasses.put(info.className, info);
11
            }
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 comparisons19
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements2
    Number of unmapped statements in the first code fragment4
    Number of unmapped statements in the second code fragment4
    Time elapsed for statement mapping (ms)1.2
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    2
    baseDir = getKeyFile(baseDir);
                                                                  
    3
    List l = (List)m.get(baseDir);
                                                                  
                                                                                                                    
    36
    String dependentClass = (String)depEnum.nextElement();
    Preondition Violations
    Unmatched statement String dependentClass=(String)depEnum.nextElement(); 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);
    4
    if (l == null)
    4
    if (l == null)
    38
    if (affectedClasses == null)
    Differences
    Expression1Expression2Difference
    laffectedClassesVARIABLE_NAME_MISMATCH
    java.util.Listjava.util.HashtableVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.util.List of variable l does not match with type java.util.Hashtable of variable affectedClasses
    • Make classes java.util.List and java.util.Hashtable extend a common superclass
    38
    if (affectedClasses == null)
    5
    l = new ArrayList(names.length);
    5
    l = new ArrayList(names.length);
    Preondition Violations
    Unmatched statement l=new ArrayList(names.length); 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();
    6
    m.put(baseDir, l);
    6
    m.put(baseDir, l);
    40
    affectedClassMap.put(dependentClass, affectedClasses);
    Differences
    Expression1Expression2Difference
    baseDirdependentClassVARIABLE_NAME_MISMATCH
    java.io.Filejava.lang.StringVARIABLE_TYPE_MISMATCH
    maffectedClassMapVARIABLE_NAME_MISMATCH
    java.util.Mapjava.util.HashtableVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.io.File of variable baseDir does not match with type java.lang.String of variable dependentClass
    • Make classes java.io.File and java.lang.String extend a common superclass
    Type java.util.Map of variable m does not match with type java.util.Hashtable of variable affectedClassMap
    • Make classes java.util.Map and java.util.Hashtable extend a common superclass
    40
    affectedClassMap.put(dependentClass, affectedClasses);
    7
    l.addAll(java.util.Arrays.asList(names));
                                                                                            
                                                                                              
    41
    affectedClasses.put(info.className, info);
    Precondition Violations (7)
    Row Violation
    1Unmatched statement String dependentClass=(String)depEnum.nextElement(); 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.util.List of variable l does not match with type java.util.Hashtable of variable affectedClasses
    4Unmatched statement l=new ArrayList(names.length); 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
    6Type java.io.File of variable baseDir does not match with type java.lang.String of variable dependentClass
    7Type java.util.Map of variable m does not match with type java.util.Hashtable of variable affectedClassMap