/**
* Determine the type converter to be used. If no converter has been found, an exception is raised.
*
* @param mixed $source
* @param string $targetType
* @param PropertyMappingConfigurationInterface $configuration
* @throws Exception\TypeConverterException
* @throws Exception\InvalidTargetException
* @return \TYPO3\CMS\Extbase\Property\TypeConverterInterface Type Converter which should be used to convert between $source and $targetType.
*/
protected function findTypeConverter($source, $targetType, PropertyMappingConfigurationInterface $configuration)
{
if ($configuration->getTypeConverter() !== null) {
return $configuration->getTypeConverter();
}
$sourceType = $this->determineSourceType($source);
if (!is_string($targetType)) {
throw new Exception\InvalidTargetException('The target type was no string, but of type "' . gettype($targetType) . '"', 1297941727);
}
$targetType = $this->parseCompositeType($targetType);
// This is needed to correctly convert old class names to new ones
// This compatibility layer will be removed with 7.0
$targetType = \TYPO3\CMS\Core\Core\ClassLoadingInformation::getClassNameForAlias($targetType);
$targetType = TypeHandlingUtility::normalizeType($targetType);
$converter = null;
if (TypeHandlingUtility::isSimpleType($targetType)) {
if (isset($this->typeConverters[$sourceType][$targetType])) {
$converter = $this->findEligibleConverterWithHighestPriority($this->typeConverters[$sourceType][$targetType], $source, $targetType);
}
} else {
$converter = $this->findFirstEligibleTypeConverterInObjectHierarchy($source, $sourceType, $targetType);
}
if ($converter === null) {
throw new Exception\TypeConverterException('No converter found which can be used to convert from "' . $sourceType . '" to "' . $targetType . '".');
}
return $converter;
}
