for (Iterator i = cacheCollection().iterator(); i.hasNext();) { if (!(i.next() instanceof FileResource)) { return false; } }
if (!checkParam(propertyfile)) { throw new BuildException("file token must not be null.", getLocation()); }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/types/resources/BaseResourceCollectionWrapper.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/PropertyFile.java
Method name: boolean isFilesystemOnly() Method name: void checkParameters()
Number of AST nodes: 3 Number of AST nodes: 2
1
for (Iterator i = cacheCollection().iterator(); i.hasNext();) {
2
            if (!(i.next() instanceof FileResource)) {
3
                return false;
4
            }
1
if (!checkParam(propertyfile)) {
2
            throw new BuildException("file token must not be null.", getLocation());
5
        }
3
        }
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 having the same super class
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)2.4
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    7
    if (!(i.next() instanceof FileResource))
    7
    if (!(i.next() instanceof FileResource))
    1
    if (!checkParam(propertyfile))
    Differences
    Expression1Expression2Difference
    (i.next() instanceof FileResource)checkParam(propertyfile)TYPE_COMPATIBLE_REPLACEMENT
    1
    if (!checkParam(propertyfile))
                                                                                                                                                        
    2
    throw new BuildException("file token must not be null.", getLocation());
    Preondition Violations
    Unmatched throw new BuildException("file token must not be null.",getLocation());
    2
    throw new BuildException("file token must not be null.", getLocation());
    8
    return false;
    8
    return false;
    Preondition Violations
    Unmatched return false;
                                    
    Precondition Violations (2)
    Row Violation
    1Unmatched throw new BuildException("file token must not be null.",getLocation());
    2Unmatched return false;