if (null != requiredImplementationVersion) { if (null == implementationVersion || !isCompatible(implementationVersion, requiredImplementationVersion)) { return REQUIRE_IMPLEMENTATION_UPGRADE; } }
if (null != requiredImplementationVendorID) { if (null == implementationVendorID || !implementationVendorID.equals(requiredImplementationVendorID)) { return REQUIRE_VENDOR_SWITCH; } }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/extension/Extension.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/extension/Extension.java
Method name: Compatibility getCompatibilityWith(Extension) Method name: Compatibility getCompatibilityWith(Extension)
Number of AST nodes: 3 Number of AST nodes: 3
1
if (null != requiredImplementationVersion) {
1
if (null != requiredImplementationVendorID) {
2
            if (null == implementationVersion
2
            if (null == implementationVendorID
3
                || !isCompatible(implementationVersion, requiredImplementationVersion)) {
3
                || !implementationVendorID.equals(requiredImplementationVendorID)) {
4
                return REQUIRE_IMPLEMENTATION_UPGRADE;
4
                return REQUIRE_VENDOR_SWITCH;
5
            }
5
            }
6
        }
6
        }
Summary
Number of common nesting structure subtrees0
Number of refactorable cases0
Number of non-refactorable cases0
Time elapsed for finding largest common nesting structure subtrees (ms)0.2
Clones locationClones are in the same method
Number of node comparisons1