if (value == null) { throw new BuildException("Nothing to test for truth"); } return value.booleanValue();
if (dependencies == null) { dependencies = new ArrayList(2); } dependencies.add(dependency);
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/condition/IsTrue.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/Target.java
Method name: boolean eval() Method name: void addDependency(String)
Number of AST nodes: 3 Number of AST nodes: 3
1
if (value == null) {
1
if (dependencies == null) {
2
            throw new BuildException("Nothing to test for truth");
2
            
3
        }
4
        return value.booleanValue(
3
dependencies = new ArrayList(2);
4
        }
5
);
5
        dependencies.add(dependency);
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)0.2
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (value == null)
    1
    if (value == null)
    1
    if (dependencies == null)
    Differences
    Expression1Expression2Difference
    valuedependenciesVARIABLE_NAME_MISMATCH
    java.lang.Booleanjava.util.ListVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.Boolean of variable value does not match with type java.util.List of variable dependencies
    • Make classes java.lang.Boolean and java.util.List extend a common superclass
    1
    if (dependencies == null)
                                                                      
    2
    dependencies = new ArrayList(2);
    2
    throw new BuildException("Nothing to test for truth");
    2
    throw new BuildException("Nothing to test for truth");
    Preondition Violations
    Unmatched throw new BuildException("Nothing to test for truth");
                                                                                                                      
                                                                    
    3
    dependencies.add(dependency);
    3
    return value.booleanValue();
    3
    return value.booleanValue();
    Preondition Violations
    Unmatched return value.booleanValue();
                                                                  
    Precondition Violations (3)
    Row Violation
    1Type java.lang.Boolean of variable value does not match with type java.util.List of variable dependencies
    2Unmatched throw new BuildException("Nothing to test for truth");
    3Unmatched return value.booleanValue();