if (regex != null) { throw new BuildException("Only one regular expression is allowed."); } regex = new RegularExpression(); return regex;
if (factory != null) { throw new BuildException("'factory' element must be unique"); } factory = new Factory(); return factory;
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/ReplaceRegExp.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/XSLTProcess.java
Method name: RegularExpression createRegexp() Method name: Factory createFactory()
Number of AST nodes: 4 Number of AST nodes: 4
1
if (regex != null) {
1
if (factory != null) {
2
            throw new BuildException("Only one regular expression is allowed.");
2
            throw new BuildException("'factory' element must be unique");
3
        }
3
        }
4
        regex = new RegularExpression();
4
        factory = new Factory();
5
        return regex;
5
        return factory;
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 comparisons8
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements2
    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
    1
    if (regex != null)
    1
    if (regex != null)
    1
    if (factory != null)
    Differences
    Expression1Expression2Difference
    regexfactoryVARIABLE_NAME_MISMATCH
    org.apache.tools.ant.types.RegularExpressionorg.apache.tools.ant.taskdefs.XSLTProcess.FactoryVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.apache.tools.ant.types.RegularExpression of variable regex does not match with type org.apache.tools.ant.taskdefs.XSLTProcess.Factory of variable factory
    • Make classes org.apache.tools.ant.types.RegularExpression and org.apache.tools.ant.taskdefs.XSLTProcess.Factory extend a common superclass
    1
    if (factory != null)
    2
    throw new BuildException("Only one regular expression is allowed.");
    2
    throw new BuildException("Only one regular expression is allowed.");
    2
    throw new BuildException("'factory' element must be unique");
    Differences
    Expression1Expression2Difference
    "Only one regular expression is allowed.""'factory' element must be unique"LITERAL_VALUE_MISMATCH
    2
    throw new BuildException("'factory' element must be unique");
                                                      
    3
    factory = new Factory();
    3
    regex = new RegularExpression();
                                                                      
                                        
    4
    return factory;
    Preondition Violations
    Unmatched return factory;
    4
    return factory;
    4
    return regex;
    4
    return regex;
    Preondition Violations
    Unmatched return regex;
                                    
    Precondition Violations (3)
    Row Violation
    1Type org.apache.tools.ant.types.RegularExpression of variable regex does not match with type org.apache.tools.ant.taskdefs.XSLTProcess.Factory of variable factory
    2Unmatched return factory;
    3Unmatched return regex;