/**
* @param mixed $value
* @param string $classBaseName
* @param array $args OPTIONAL
* @param mixed $namespaces OPTIONAL
* @return boolean
* @throws Postman_Zend_Validate_Exception
*/
public static function is($value, $classBaseName, array $args = array(), $namespaces = array())
{
$namespaces = array_merge((array) $namespaces, self::$_defaultNamespaces, array('Postman_Zend_Validate'));
$className = ucfirst($classBaseName);
try {
if (!class_exists($className, false)) {
require_once 'Zend/Loader.php';
foreach ($namespaces as $namespace) {
$class = $namespace . '_' . $className;
$file = str_replace('_', DIRECTORY_SEPARATOR, $class) . '.php';
if (Postman_Zend_Loader::isReadable($file)) {
Postman_Zend_Loader::loadClass($class);
$className = $class;
break;
}
}
}
$class = new ReflectionClass($className);
if ($class->implementsInterface('Postman_Zend_Validate_Interface')) {
if ($class->hasMethod('__construct')) {
$keys = array_keys($args);
$numeric = false;
foreach ($keys as $key) {
if (is_numeric($key)) {
$numeric = true;
break;
}
}
if ($numeric) {
$object = $class->newInstanceArgs($args);
} else {
$object = $class->newInstance($args);
}
} else {
$object = $class->newInstance();
}
return $object->isValid($value);
}
} catch (Postman_Zend_Validate_Exception $ze) {
// if there is an exception while validating throw it
throw $ze;
} catch (Exception $e) {
// fallthrough and continue for missing validation classes
}
require_once 'Zend/Validate/Exception.php';
throw new Postman_Zend_Validate_Exception("Validate class not found from basename '{$classBaseName}'");
}
/**
* Sets a new barcode adapter
*
* @param string|Postman_Zend_Validate_Barcode $adapter Barcode adapter to use
* @param array $options Options for this adapter
* @return $this
* @throws Postman_Zend_Validate_Exception
*/
public function setAdapter($adapter, $options = null)
{
$adapter = ucfirst(strtolower($adapter));
require_once 'Zend/Loader.php';
if (Postman_Zend_Loader::isReadable('Zend/Validate/Barcode/' . $adapter . '.php')) {
$adapter = 'Postman_Zend_Validate_Barcode_' . $adapter;
}
if (!class_exists($adapter)) {
Postman_Zend_Loader::loadClass($adapter);
}
$this->_adapter = new $adapter($options);
if (!$this->_adapter instanceof Postman_Zend_Validate_Barcode_AdapterInterface) {
require_once 'Zend/Validate/Exception.php';
throw new Postman_Zend_Validate_Exception("Adapter " . $adapter . " does not implement Postman_Zend_Validate_Barcode_AdapterInterface");
}
return $this;
}