if (out != null) { try { out.flush(); out.close(); out = null; } catch (IOException e) { // ignore } }
if (source != null) { try { source = FILE_UTILS.normalize(source.getAbsolutePath()); } catch (BuildException e) { // relative path } } return source;
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/tests/junit/org/apache/tools/mail/MailMessageTest.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/util/LoaderUtils.java
Method name: void disconnect() Method name: File normalizeSource(File)
Number of AST nodes: 5 Number of AST nodes: 4
1
if (out != null) {
1
if (source != null) {
2
                try {
2
            try {
3
                    out.flush();
3
                
4
                    out.close();
5
                    out = null;
6
    
4
source = FILE_UTILS.normalize(source.getAbsolutePath());
7
            } catch (IOException e) {
5
            } catch (BuildException e) {
8
                    // ignore
6
                // relative path
9
        
7
            }
10
        }
8
        }
11
    
12
        }
9
        return source;
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)0.2
Clones locationClones are in different classes
Number of node comparisons9
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements2
    Number of unmapped statements in the first code fragment3
    Number of unmapped statements in the second code fragment2
    Time elapsed for statement mapping (ms)0.7
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    if (out != null)
    1
    if (out != null)
    1
    if (source != null)
    Differences
    Expression1Expression2Difference
    outsourceVARIABLE_NAME_MISMATCH
    java.io.BufferedWriterjava.io.FileVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.io.BufferedWriter of variable out does not match with type java.io.File of variable source
    • Make classes java.io.BufferedWriter and java.io.File extend a common superclass
    1
    if (source != null)
    2
    try
    2
    try
    2
    try
    Differences
    Expression1Expression2Difference
    java.io.IOExceptionorg.apache.tools.ant.BuildExceptionSUBCLASS_TYPE_MISMATCH
    java.io.IOExceptionorg.apache.tools.ant.BuildExceptionSUBCLASS_TYPE_MISMATCH
    2
    try
                                                                                                                      
    3
    source = FILE_UTILS.normalize(source.getAbsolutePath());
    Preondition Violations
    Unmatched statement source=FILE_UTILS.normalize(source.getAbsolutePath()); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    Unmatched statement source=FILE_UTILS.normalize(source.getAbsolutePath()); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
    3
    source = FILE_UTILS.normalize(source.getAbsolutePath());
    3
    out.flush();
    3
    out.flush();
    Preondition Violations
    Unmatched statement out.flush(); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
                                  
    4
    out.close();
    4
    out.close();
    Preondition Violations
    Unmatched statement out.close(); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
                                  
    5
    out = null;
                            
                                      
    4
    return source;
    Preondition Violations
    Unmatched return source;
    4
    return source;
    Precondition Violations (6)
    Row Violation
    1Type java.io.BufferedWriter of variable out does not match with type java.io.File of variable source
    2Unmatched statement source=FILE_UTILS.normalize(source.getAbsolutePath()); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted
    3Unmatched statement source=FILE_UTILS.normalize(source.getAbsolutePath()); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
    4Unmatched statement out.flush(); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
    5Unmatched statement out.close(); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
    6Unmatched return source;