if (perm != null) { perm.setSecurityManager(); }
if (name != null) { add(baseDir, new String[] {name}, m); }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/junit/JUnitTestRunner.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Copy.java
Method name: void run() Method name: void add(File, String, Map)
Number of AST nodes: 2 Number of AST nodes: 2
1
if (perm != null) {
1
if (name != null) {
2
                perm.setSecurityManager();
2
            
3
    
3
add(baseDir, new String[] {name}, m);
4
        }
4
        }
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 comparisons4
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements2
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)4.6
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    25
    if (perm != null)
    25
    if (perm != null)
    1
    if (name != null)
    Differences
    Expression1Expression2Difference
    permnameVARIABLE_NAME_MISMATCH
    org.apache.tools.ant.types.Permissionsjava.lang.StringVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.apache.tools.ant.types.Permissions of variable perm does not match with type java.lang.String of variable name
    • Make classes org.apache.tools.ant.types.Permissions and java.lang.String extend a common superclass
    1
    if (name != null)
    26
    perm.setSecurityManager();
    26
    perm.setSecurityManager();
    2
    add(baseDir, new String[] {name}, m);
    Differences
    Expression1Expression2Difference
    setSecurityManageraddMETHOD_INVOCATION_NAME_MISMATCH
    perm.setSecurityManager()add(baseDir,new String[]{name},m)ARGUMENT_NUMBER_MISMATCH
    permMISSING_METHOD_INVOCATION_EXPRESSION
    Preondition Violations
    Expression perm.setSecurityManager() is a void method call, and thus it cannot be parameterized
    Expression add(baseDir,new String[]{name},m) is a void method call, and thus it cannot be parameterized
    Expression perm.setSecurityManager() is a void method call, and thus it cannot be parameterized
    Expression add(baseDir,new String[]{name},m) is a void method call, and thus it cannot be parameterized
    2
    add(baseDir, new String[] {name}, m);
    Precondition Violations (5)
    Row Violation
    1Type org.apache.tools.ant.types.Permissions of variable perm does not match with type java.lang.String of variable name
    2Expression perm.setSecurityManager() is a void method call, and thus it cannot be parameterized
    3Expression add(baseDir,new String[]{name},m) is a void method call, and thus it cannot be parameterized
    4Expression perm.setSecurityManager() is a void method call, and thus it cannot be parameterized
    5Expression add(baseDir,new String[]{name},m) is a void method call, and thus it cannot be parameterized