Header header = folder.getHeaderFields(uid, new String[] { "To"}); String from = header.get("To"); if (from == null) return MAX_PROBABILITY; if (from.length() == 0) return MAX_PROBABILITY;
Header header = folder.getHeaderFields(uid, new String[] { "Subject"}); String subject = header.get("Subject"); if (subject == null) return NEARLY_ZERO; if (subject.length() == 0) return NEARLY_ZERO;
Clone fragments detected by clone detection tool
File path: /columba-1.4-src/mail/src/main/java/org/columba/mail/spam/rules/MissingToHeaderRule.java File path: /columba-1.4-src/mail/src/main/java/org/columba/mail/spam/rules/SubjectContainsSpamRule.java
Method name: float score(IMailbox, Object) Method name: float score(IMailbox, Object)
Number of AST nodes: 6 Number of AST nodes: 6
1
Header header = folder.getHeaderFields(uid, new String[] { "To"});
1
Header header = folder.getHeaderFields(uid, new String[] { "Subject"});
2
        String from = header.get("To");
2
        String subject = header.get("Subject");
3
        if (from == null) return MAX_PROBABILITY;
3
        if (subject == null) return NEARLY_ZERO;
4
        if (from.length() == 0) return MAX_PROBABILITY;
4
        if (subject.length() == 0) return NEARLY_ZERO;
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)0.3
Clones locationClones are in different classes having the same super class
Number of node comparisons17
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements6
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)0.8
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    Header header = folder.getHeaderFields(uid, new String[] {"To"});
    1
    Header header = folder.getHeaderFields(uid, new String[] {"To"});
    1
    Header header = folder.getHeaderFields(uid, new String[] {"Subject"});
    Differences
    Expression1Expression2Difference
    "To""Subject"LITERAL_VALUE_MISMATCH
    1
    Header header = folder.getHeaderFields(uid, new String[] {"Subject"});
    2
    String from = header.get("To");
    2
    String from = header.get("To");
    2
    String subject = header.get("Subject");
    Differences
    Expression1Expression2Difference
    fromsubjectVARIABLE_NAME_MISMATCH
    "To""Subject"LITERAL_VALUE_MISMATCH
    2
    String subject = header.get("Subject");
    3
    if (from == null)
    3
    if (from == null)
    3
    if (subject == null)
    Differences
    Expression1Expression2Difference
    fromsubjectVARIABLE_NAME_MISMATCH
    3
    if (subject == null)
    4
    return MAX_PROBABILITY;
    4
    return MAX_PROBABILITY;
    4
    return NEARLY_ZERO;
    Differences
    Expression1Expression2Difference
    MAX_PROBABILITYNEARLY_ZEROVARIABLE_NAME_MISMATCH
    4
    return NEARLY_ZERO;
    5
    if (from.length() == 0)
    5
    if (from.length() == 0)
    5
    if (subject.length() == 0)
    Differences
    Expression1Expression2Difference
    fromsubjectVARIABLE_NAME_MISMATCH
    5
    if (subject.length() == 0)
    6
    return MAX_PROBABILITY;
    6
    return MAX_PROBABILITY;
    6
    return NEARLY_ZERO;
    Differences
    Expression1Expression2Difference
    MAX_PROBABILITYNEARLY_ZEROVARIABLE_NAME_MISMATCH
    6
    return NEARLY_ZERO;
    Precondition Violations (1)
    Row Violation
    1Clone fragment #1 returns variables , while Clone fragment #2 returns variables subject