/**
* {@inheritdoc}
*/
protected function decode($content)
{
try {
return Json::decode($content);
} catch (JsonException $e) {
throw new AccessException('Invalid JSON file: ' . $e->getMessage(), 0, $e);
}
}
/**
* {@inheritdoc}
*/
public function decode(DataType $type, $value)
{
if (!isset($value)) {
return null;
}
switch ($type->type) {
case DataType::BOOLEAN:
return $value != 0;
case DataType::INTEGER:
case DataType::DATE:
case DataType::DATETIME:
return intval($value);
case DataType::FLOAT:
return floatval($value);
case DataType::TEXT:
case DataType::BINARY:
case DataType::STRING:
case DataType::ENUM:
return strval($value);
case DataType::OBJECT:
return Json::decode($value);
}
}
/**
* Get information about a database driver.
*
* The returned information array is of the format:
* <code>
* array(
* 'driver' => ..., // Driver name (string)
* 'name' => ..., // Formal name, e.g. 'MySQL' instead of 'MySql' (string)
* 'requiredOptions' => array(...), // List of required options (string[])
* 'optionalOptions' => array(...), // List of optional options (string[])
* 'isAvailable' => ..., // Whether or not driver is available (bool)
* 'missingExtensions => array(...) // List of missing extensions (string[])
* )
* </code>
*
* @param string $driver
* Driver name
* @return array Driver information as an associative array.
* @throws InvalidDriverException If driver is missing or invalid.
*/
public function checkDriver($driver)
{
if (!file_exists($this->drivers . '/' . $driver . '/' . $driver . 'Database.php')) {
throw new InvalidDriverException('Driver class not found: ' . $driver);
}
if (!file_exists($this->drivers . '/' . $driver . '/driver.json')) {
throw new InvalidDriverException('Driver manifest not found: ' . $driver);
}
try {
$info = Json::decodeFile($this->drivers . '/' . $driver . '/driver.json');
} catch (JsonException $e) {
throw new InvalidDriverException('Invalid driver manifest: ' . $driver . ' (' . $e->getMessage() . ')', 0, $e);
}
if (!isset($info['required'])) {
$info['required'] = array();
}
if (!isset($info['optional'])) {
$info['optional'] = array();
}
if (!isset($info['phpExtensions'])) {
$info['phpExtensions'] = array();
}
$missing = array();
foreach ($info['phpExtensions'] as $dependency) {
if (!extension_loaded($dependency)) {
$missing[] = $dependency;
}
}
return array('driver' => $driver, 'name' => $info['name'], 'requiredOptions' => $info['required'], 'optionalOptions' => $info['optional'], 'isAvailable' => count($missing) < 1, 'missingExtensions' => $missing);
}