if (charset == null) { charset = Charset.forName(System.getProperty("file.encoding")); } return charset;
if (viewItem == null) { viewItem = new ViewItem(getRoot().getElement("/options/gui/view")); } return viewItem;
Clone fragments detected by clone detection tool
File path: /columba-1.4-src/mail/src/main/java/org/columba/mail/gui/composer/ComposerModel.java File path: /columba-1.4-src/mail/src/main/java/org/columba/mail/config/ComposerOptionsXmlConfig.java
Method name: Charset getCharset() Method name: ViewItem getViewItem()
Number of AST nodes: 3 Number of AST nodes: 3
1
if (charset == null) {
1
if (viewItem == null) {
2
			charset = Charset.forName(Sys
3
tem.getProperty("file.encoding"));
2
            viewItem = new ViewItem(getRoot().getElemen
4
		}
5
		return charset
3
t("/options/gui/view"));
4
        }
6
;
5
        return viewItem;
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 (charset == null)
    1
    if (charset == null)
    1
    if (viewItem == null)
    Differences
    Expression1Expression2Difference
    charsetviewItemVARIABLE_NAME_MISMATCH
    java.nio.charset.Charsetorg.columba.core.config.ViewItemVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.nio.charset.Charset of variable charset does not match with type org.columba.core.config.ViewItem of variable viewItem
    • Make classes java.nio.charset.Charset and org.columba.core.config.ViewItem extend a common superclass
    1
    if (viewItem == null)
                                                                                                                                            
    2
    viewItem = new ViewItem(getRoot().getElement("/options/gui/view"));
    2
    charset = Charset.forName(System.getProperty("file.encoding"));
                                                                                                                                    
                                          
    3
    return viewItem;
    Preondition Violations
    Unmatched return viewItem;
    3
    return viewItem;
    3
    return charset;
    3
    return charset;
    Preondition Violations
    Unmatched return charset;
                                        
    Precondition Violations (3)
    Row Violation
    1Type java.nio.charset.Charset of variable charset does not match with type org.columba.core.config.ViewItem of variable viewItem
    2Unmatched return viewItem;
    3Unmatched return charset;