protected function getConverterRegistry()
{
if (!isset($this->fieldRegistry)) {
$this->fieldRegistry = new ConverterRegistry(array('ezdatetime' => new Converter\DateAndTimeConverter(), 'ezinteger' => new Converter\IntegerConverter(), 'ezstring' => new Converter\TextLineConverter(), 'ezprice' => new Converter\IntegerConverter(), 'ezurl' => new Converter\UrlConverter(), 'ezrichtext' => new Converter\RichTextConverter(), 'ezboolean' => new Converter\CheckboxConverter(), 'ezkeyword' => new Converter\KeywordConverter()));
}
return $this->fieldRegistry;
}