if (textBuffer == null) { // Initialize to the size of the first text fragment, with // the hopes that it's the only one. textBuffer = new StringBuffer(text.length()); } // Append the fragment -- we defer property replacement until // later just in case we get a partial property in a fragment. textBuffer.append(text);
if (wlClasspath == null) { wlClasspath = new Path(getTask().getProject()); } return wlClasspath.createPath();
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Concat.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/ejb/WeblogicDeploymentTool.java
Method name: void addText(String) Method name: Path createWLClasspath()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (textBuffer == null) {
1
if (wlClasspath == null) {
2
            // Initialize to the size of the first text fragment, with
2
            
3
            // the hopes that it's the only one.
4
            textBuffer = new StringBuffer(text.length());
3
wlClasspath = new Path(getTask().getProject());
5
        }
4
        }
6
        // Append the fragment -- we defer property replacement until
5
        
7
        // later just in case we get a partial property in a fragment.
8
        textBuffer.append(text);
6
return wlClasspath.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)0.3
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (textBuffer == null)
    1
    if (textBuffer == null)
    1
    if (wlClasspath == null)
    Differences
    Expression1Expression2Difference
    textBufferwlClasspathVARIABLE_NAME_MISMATCH
    java.lang.StringBufferorg.apache.tools.ant.types.PathVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.StringBuffer of variable textBuffer does not match with type org.apache.tools.ant.types.Path of variable wlClasspath
    • Make classes java.lang.StringBuffer and org.apache.tools.ant.types.Path extend a common superclass
    1
    if (wlClasspath == null)
                                                                                                    
    2
    wlClasspath = new Path(getTask().getProject());
    2
    textBuffer = new StringBuffer(text.length());
                                                                                                
                                                                          
    3
    return wlClasspath.createPath();
    Preondition Violations
    Unmatched return wlClasspath.createPath();
    3
    return wlClasspath.createPath();
    3
    textBuffer.append(text);
                                                          
    Precondition Violations (2)
    Row Violation
    1Type java.lang.StringBuffer of variable textBuffer does not match with type org.apache.tools.ant.types.Path of variable wlClasspath
    2Unmatched return wlClasspath.createPath();