try { return classLoader.loadClass(name); } catch (Exception e) { return null; }
try { return Class.forName("org.bouncycastle.jce.provider.BouncyCastleProvider").newInstance(); } catch(Exception e) { // provider is not available return null; }
Clone fragments detected by clone detection tool
File path: /jruby-1.4.0/src/org/jruby/internal/runtime/methods/InvocationMethodFactory.java File path: /jruby-1.4.0/src/org/jruby/RubyDigest.java
Method name: Class tryClass(String) Method name: Object run()
Number of AST nodes: 2 Number of AST nodes: 2
1
try {
1
try {
2
            return classLoader.loadClass(name);
2
                    return Class
3
.forName("org.bouncycastle.jce.provider.BouncyCastleProvider").newInstance();
3
        } catch (Exception e) {
4
                } catch(Exception e) {
5
                    // provider is not available
4
            return null;
6
                    return null;
5
        }
7
                }
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 comparisons4
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements1
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)0.4
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    try
    1
    try
                                                                                                                                                                                            
    2
    return Class.forName("org.bouncycastle.jce.provider.BouncyCastleProvider").newInstance();
    Preondition Violations
    Unmatched statement return Class.forName("org.bouncycastle.jce.provider.BouncyCastleProvider").newInstance(); 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
    Unmatched return Class.forName("org.bouncycastle.jce.provider.BouncyCastleProvider").newInstance();
    2
    return Class.forName("org.bouncycastle.jce.provider.BouncyCastleProvider").newInstance();
    2
    return classLoader.loadClass(name);
    2
    return classLoader.loadClass(name);
    Preondition Violations
    Unmatched statement return classLoader.loadClass(name); 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
    Unmatched return classLoader.loadClass(name);
                                                                                
    Precondition Violations (4)
    Row Violation
    1Unmatched statement return Class.forName("org.bouncycastle.jce.provider.BouncyCastleProvider").newInstance(); 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
    2Unmatched return Class.forName("org.bouncycastle.jce.provider.BouncyCastleProvider").newInstance();
    3Unmatched statement return classLoader.loadClass(name); 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 return classLoader.loadClass(name);