try { BaseResourceCollectionContainer c = (BaseResourceCollectionContainer) super.clone(); c.rc = new ArrayList(rc); c.coll = null; return c; } catch (CloneNotSupportedException e) { throw new BuildException(e); }
int cOptions = getCompilerOptions(options); try { RE reg = new RE(pattern); reg.setMatchFlags(cOptions); return reg; } catch (RESyntaxException e) { throw new BuildException(e); }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/types/resources/BaseResourceCollectionContainer.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/util/regexp/JakartaRegexpMatcher.java
Method name: Object clone() Method name: RE getCompiledPattern(int)
Number of AST nodes: 5 Number of AST nodes: 5
1
try {
2
            BaseResourceCollectionContainer c
3
                = (BaseResourceCollectionContainer) super.clone();
1
int cOptions = getCompilerOptions(options);
2
        try {
4
            c.rc = new ArrayList(rc);
3
            RE reg = new RE(pattern);
5
            c.coll = null;
4
            reg.setMatchFlags(cOptions);
6
            return c;
5
            return reg;
7
        } catch (CloneNotSupportedException e) {
6
        } catch (RESyntaxException e) {
8
            throw new BuildException(e);
7
            throw new BuildException(e);
9
        }
8
        }
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 comparisons20
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements1
    Number of unmapped statements in the first code fragment4
    Number of unmapped statements in the second code fragment4
    Time elapsed for statement mapping (ms)0.7
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
                                                                                            
    1
    int cOptions = getCompilerOptions(options);
    1
    try
    1
    try
    2
    try
    Differences
    Expression1Expression2Difference
    java.lang.CloneNotSupportedExceptionorg.apache.regexp.RESyntaxExceptionSUBCLASS_TYPE_MISMATCH
    java.lang.CloneNotSupportedExceptionorg.apache.regexp.RESyntaxExceptionSUBCLASS_TYPE_MISMATCH
    java.lang.CloneNotSupportedExceptionorg.apache.regexp.RESyntaxExceptionSUBCLASS_TYPE_MISMATCH
    2
    try
    2
    BaseResourceCollectionContainer c = (BaseResourceCollectionContainer)super.clone();
    2
    BaseResourceCollectionContainer c = (BaseResourceCollectionContainer)super.clone();
    Preondition Violations
    Unmatched statement BaseResourceCollectionContainer c=(BaseResourceCollectionContainer)super.clone(); 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
    RE reg = new RE(pattern);
    3
    c.rc = new ArrayList(rc);
                                                        
                                                                  
    4
    reg.setMatchFlags(cOptions);
    4
    c.coll = null;
                                  
                                
    5
    return reg;
    Preondition Violations
    Unmatched return reg;
    5
    return reg;
    5
    return c;
    5
    return c;
    Preondition Violations
    Unmatched return c;
                            
    Precondition Violations (3)
    Row Violation
    1Unmatched statement BaseResourceCollectionContainer c=(BaseResourceCollectionContainer)super.clone(); 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 reg;
    3Unmatched return c;