if (expression == null) { throw new BuildException("Expression attribute is missing."); } return expression;
if (bootclasspath == null) { bootclasspath = new Path(getProject()); } return bootclasspath.createPath();
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/XSLTProcess.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Javadoc.java
Method name: String getExpression() Method name: Path createBootclasspath()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (expression == null) {
1
if (bootclasspath == null) {
2
                throw new BuildException("Expression attribute is missing.");
2
            bootclasspath = new Path(getProject());
3
            }
3
        
4
  
4
}
5
          return expression;
5
        return bootclasspath.createPath();
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
    1
    if (expression == null)
    1
    if (expression == null)
    1
    if (bootclasspath == null)
    Differences
    Expression1Expression2Difference
    expressionbootclasspathVARIABLE_NAME_MISMATCH
    java.lang.Stringorg.apache.tools.ant.types.PathVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.String of variable expression does not match with type org.apache.tools.ant.types.Path of variable bootclasspath
    • Make classes java.lang.String and org.apache.tools.ant.types.Path extend a common superclass
    1
    if (bootclasspath == null)
                                                                                    
    2
    bootclasspath = new Path(getProject());
    2
    throw new BuildException("Expression attribute is missing.");
    2
    throw new BuildException("Expression attribute is missing.");
    Preondition Violations
    Unmatched throw new BuildException("Expression attribute is missing.");
                                                                                                                                    
                                                                              
    3
    return bootclasspath.createPath();
    Preondition Violations
    Unmatched return bootclasspath.createPath();
    3
    return bootclasspath.createPath();
    3
    return expression;
    3
    return expression;
    Preondition Violations
    Unmatched return expression;
                                              
    Precondition Violations (4)
    Row Violation
    1Type java.lang.String of variable expression does not match with type org.apache.tools.ant.types.Path of variable bootclasspath
    2Unmatched throw new BuildException("Expression attribute is missing.");
    3Unmatched return bootclasspath.createPath();
    4Unmatched return expression;