Methods should not be private
Class tx_linkvalidator_Processor contains 2 private methods. This should be avoided at all costs, since it prevents useful XCLASSing. You would need very good reasons to make methods private. They should be protected instead. CGL reference: http://typo3.org/documentation/document-library/core-documentation/doc_core_cgl/4.5.1/view/1/3/
Was there a real reason for this decision or can it be changed?