/**
* Factory method for creating a Named CRS object from properties.
*
* @see CoordinateReferenceSystem::jsonUnserialize()
* @param array|object $properties
* @return Named
* @throws UnserializationException
*/
protected static function jsonUnserializeFromProperties($properties)
{
if (!is_array($properties) && !is_object($properties)) {
throw UnserializationException::invalidProperty('Named CRS', 'properties', $properties, 'array or object');
}
$properties = new \ArrayObject($properties);
if (!$properties->offsetExists('name')) {
throw UnserializationException::missingProperty('Named CRS', 'properties.name', 'string');
}
$name = (string) $properties['name'];
return new self($name);
}
/**
* Factory method for creating a Linked CRS object from properties.
*
* @see CoordinateReferenceSystem::jsonUnserialize()
* @param array|object $properties
* @return Linked
* @throws UnserializationException
*/
protected static function jsonUnserializeFromProperties($properties)
{
if (!is_array($properties) && !is_object($properties)) {
throw UnserializationException::invalidProperty('Linked CRS', 'properties', $properties, 'array or object');
}
$properties = new \ArrayObject($properties);
if (!$properties->offsetExists('href')) {
throw UnserializationException::missingProperty('Linked CRS', 'properties.href', 'string');
}
$href = (string) $properties['href'];
$type = isset($properties['type']) ? (string) $properties['type'] : null;
return new self($href, $type);
}
/**
* @see JsonUnserializable::jsonUnserialize()
*/
public static final function jsonUnserialize($json)
{
if (!is_array($json) && !is_object($json)) {
throw UnserializationException::invalidValue('CRS', $json, 'array or object');
}
$json = new \ArrayObject($json);
if (!$json->offsetExists('type')) {
throw UnserializationException::missingProperty('CRS', 'type', 'string');
}
if (!$json->offsetExists('properties')) {
throw UnserializationException::missingProperty('CRS', 'properties', 'array or object');
}
$type = (string) $json['type'];
$properties = $json['properties'];
switch ($type) {
case 'link':
return Linked::jsonUnserializeFromProperties($properties);
case 'name':
return Named::jsonUnserializeFromProperties($properties);
}
throw UnserializationException::unsupportedType('CRS', $type);
}
/**
* @see JsonUnserializable::jsonUnserialize()
*/
public static final function jsonUnserialize($json)
{
if (!is_array($json) && !is_object($json)) {
throw UnserializationException::invalidValue('GeoJson', $json, 'array or object');
}
$json = new \ArrayObject($json);
if (!$json->offsetExists('type')) {
throw UnserializationException::missingProperty('GeoJson', 'type', 'string');
}
$type = (string) $json['type'];
$args = array();
switch ($type) {
case 'LineString':
case 'MultiLineString':
case 'MultiPoint':
case 'MultiPolygon':
case 'Point':
case 'Polygon':
if (!$json->offsetExists('coordinates')) {
throw UnserializationException::missingProperty($type, 'coordinates', 'array');
}
if (!is_array($json['coordinates'])) {
throw UnserializationException::invalidProperty($type, 'coordinates', $json['coordinates'], 'array');
}
$args[] = $json['coordinates'];
break;
case 'Feature':
$geometry = isset($json['geometry']) ? $json['geometry'] : null;
$properties = isset($json['properties']) ? $json['properties'] : null;
if (isset($geometry) && !is_array($geometry) && !is_object($geometry)) {
throw UnserializationException::invalidProperty($type, 'geometry', $geometry, 'array or object');
}
if (isset($properties) && !is_array($properties) && !is_object($properties)) {
throw UnserializationException::invalidProperty($type, 'properties', $properties, 'array or object');
}
$args[] = isset($geometry) ? self::jsonUnserialize($geometry) : null;
$args[] = isset($properties) ? (array) $properties : null;
$args[] = isset($json['id']) ? $json['id'] : null;
break;
case 'FeatureCollection':
if (!$json->offsetExists('features')) {
throw UnserializationException::missingProperty($type, 'features', 'array');
}
if (!is_array($json['features'])) {
throw UnserializationException::invalidProperty($type, 'features', $json['features'], 'array');
}
$args[] = array_map(array('self', 'jsonUnserialize'), $json['features']);
break;
case 'GeometryCollection':
if (!$json->offsetExists('geometries')) {
throw UnserializationException::missingProperty($type, 'geometries', 'array');
}
if (!is_array($json['geometries'])) {
throw UnserializationException::invalidProperty($type, 'geometries', $json['geometries'], 'array');
}
$args[] = array_map(array('self', 'jsonUnserialize'), $json['geometries']);
break;
default:
throw UnserializationException::unsupportedType('GeoJson', $type);
}
if (isset($json['bbox'])) {
$args[] = BoundingBox::jsonUnserialize($json['bbox']);
}
if (isset($json['crs'])) {
$args[] = CoordinateReferenceSystem::jsonUnserialize($json['crs']);
}
$class = sprintf('GeoJson\\%s\\%s', strncmp('Feature', $type, 7) === 0 ? 'Feature' : 'Geometry', $type);
$class = new \ReflectionClass($class);
return $class->newInstanceArgs($args);
}