/**
* Checks if $value is an absolute URL.
*
* @param mixed $value
* @return boolean
*/
public function isValid($value)
{
$this->_setValue($value);
if (!is_string($value)) {
$this->_error(self::FAILURE_INVALID, Mol_Util_Stringifier::stringify($value));
return false;
}
if (!$this->isUrl($value)) {
$this->_error(self::FAILURE_NO_URL);
return false;
}
if (!$this->hasAllowedHostname($value)) {
$this->_error(self::FAILURE_HOSTNAME_NOT_ALLOWED);
return false;
}
return true;
}
/**
* Creates the relation validator that belongs to the provided identifier.
*
* @param string $identifier
* @return Zend_Validate_Interface
* @throws InvalidArgumentException If an invalid identifier is provided.
*/
protected function createRelationByIdentifier($identifier)
{
switch ($identifier) {
case '==':
return new Mol_Validate_Form_Relation_Equal();
case '!=':
return new Mol_Validate_Form_Relation_NotEqual();
case '>':
return new Mol_Validate_Form_Relation_GreaterThan();
case '>=':
return new Mol_Validate_Form_Relation_GreaterThanOrEqual();
case '<':
return new Mol_Validate_Form_Relation_LessThan();
case '<=':
return new Mol_Validate_Form_Relation_LessThanOrEqual();
}
$message = Mol_Util_Stringifier::stringify($identifier) . ' is not a valid relation identifier.';
throw new InvalidArgumentException($message);
}
/**
* Ensures that stringifyException() indents the second inner exception
* correctly. Indention is indicated via ">>".
*/
public function testStringifyExceptionIndentsSecondInnerException()
{
$secondLevelException = new BadMethodCallException('2nd level', 7);
$firstLevelException = new RuntimeException('1st level', 0, $secondLevelException);
$exception = new RuntimeException('An error occurred!', 42, $firstLevelException);
$representation = Mol_Util_Stringifier::stringifyException($exception);
$this->assertInternalType('string', $representation);
$this->assertContains('>> ', $representation);
}
/**
* Converts the provided data to a string value.
*
* If a string object is provided then the charset will
* be automatically converted if necessary.
*
* @param string|Mol_DataType_String|mixed $data
* @return string The simple string value.
* @throws InvalidArgumentException If the method cannot convert the data into a string.
*/
protected function toValue($data)
{
if (is_string($data)) {
return $data;
}
if ($data instanceof self) {
return $data->convertTo($this->charset)->toString();
}
$received = Mol_Util_Stringifier::stringify($data);
$message = 'Expected string or instance of ' . __CLASS__ . ', but ' . $received . ' provided.';
throw new InvalidArgumentException($message);
}
/**
* Asserts that the given value is a string.
*
* @param mixed $value
* @throws InvalidArgumentException If $value is not a string.
*/
protected function assertString($value)
{
if (is_string($value)) {
return;
}
$format = 'String expected, but received: %s';
$message = sprintf($format, Mol_Util_Stringifier::stringify($value));
throw new InvalidArgumentException($message);
}