if (var != null) { procEnvironment.addElement(var); } var = line;
if (mapperElement != null) { throw new BuildException("Cannot define more than one mapper", getLocation()); } mapperElement = mapper;
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/XSLTProcess.java
Method name: Vector getProcEnvironment() Method name: void addMapper(Mapper)
Number of AST nodes: 3 Number of AST nodes: 3
1
if (var != null) {
1
if (mapperElement != null) {
2
                        procEnvironment.addElement(var);
2
            throw new BuildException("Cannot define more than one mapper",
3
                    }
3
                    
4
                    var = line
4
                 getLocation());
5
        }
5
;
6
        mapperElement = mapper;
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 (mapperElement != null)
    Differences
    Expression1Expression2Difference
    varmapperElementVARIABLE_NAME_MISMATCH
    java.lang.Stringorg.apache.tools.ant.types.MapperVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.String of variable var does not match with type org.apache.tools.ant.types.Mapper of variable mapperElement
    • Make classes java.lang.String and org.apache.tools.ant.types.Mapper extend a common superclass
    1
    if (mapperElement != null)
                                                                                                                                                                    
    2
    throw new BuildException("Cannot define more than one mapper", getLocation());
    Preondition Violations
    Unmatched throw new BuildException("Cannot define more than one mapper",getLocation());
    2
    throw new BuildException("Cannot define more than one mapper", getLocation());
    23
    procEnvironment.addElement(var);
                                                                            
                                                    
    3
    mapperElement = mapper;
    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.Mapper of variable mapperElement
    2Unmatched throw new BuildException("Cannot define more than one mapper",getLocation());
    3Unmatched statement var=line; cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted