if (mapper != null) { throw new BuildException("Only one mapper allowed"); } mapper = newmapper;
if (clazz != null) { throw new BuildException("The class attribute has already been set."); } clazz = c;
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/CopyPath.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/types/resources/selectors/InstanceOf.java
Method name: void add(FileNameMapper) Method name: void setClass(Class)
Number of AST nodes: 3 Number of AST nodes: 3
1
if (mapper != null) {
1
if (clazz != null) {
2
            throw new BuildException("Only one mapper allowed");
2
            throw new BuildException("The class attribute has already been set.");
3
        }
3
        }
4
        mapper = newmapper;
4
        clazz = c;
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 statements2
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)0.4
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (mapper != null)
    1
    if (mapper != null)
    1
    if (clazz != null)
    Differences
    Expression1Expression2Difference
    mapperclazzVARIABLE_NAME_MISMATCH
    org.apache.tools.ant.util.FileNameMapperjava.lang.ClassVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.apache.tools.ant.util.FileNameMapper of variable mapper does not match with type java.lang.Class of variable clazz
    • Make classes org.apache.tools.ant.util.FileNameMapper and java.lang.Class extend a common superclass
    1
    if (clazz != null)
    2
    throw new BuildException("Only one mapper allowed");
    2
    throw new BuildException("Only one mapper allowed");
    2
    throw new BuildException("The class attribute has already been set.");
    Differences
    Expression1Expression2Difference
    "Only one mapper allowed""The class attribute has already been set."LITERAL_VALUE_MISMATCH
    2
    throw new BuildException("The class attribute has already been set.");
                          
    3
    clazz = c;
    3
    mapper = newmapper;
                                            
    Precondition Violations (1)
    Row Violation
    1Type org.apache.tools.ant.util.FileNameMapper of variable mapper does not match with type java.lang.Class of variable clazz