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<?php
/**
* This file is part of the Geocoder package.
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*
* @license MIT License
*/
namespace Geocoder;
use Geocoder\Provider\ProviderInterface;
use Geocoder\Result\ResultFactoryInterface;
use Geocoder\Result\DefaultResultFactory;
/**
* @author William Durand <william.durand1@gmail.com>
*/
class Geocoder implements GeocoderInterface
{
/**
* Version
*/
const VERSION = '2.5.1-dev';
/**
* @var integer
*/
const MAX_RESULTS = 5;
/**
* @var ProviderInterface[]
*/
private $providers = array();
/**
* @var ProviderInterface
*/
private $provider;
/**
* @var ResultFactoryInterface
*/
private $resultFactory;
/**
* @var integer
*/
private $maxResults;
/**
* @param ProviderInterface $provider
* @param ResultFactoryInterface $resultFactory
* @param integer $maxResults
*/
public function __construct(ProviderInterface $provider = null, ResultFactoryInterface $resultFactory = null, $maxResults = self::MAX_RESULTS)
{
$this->provider = $provider;
$this->setResultFactory($resultFactory);
$this->limit($maxResults);
}
/**
* @param ResultFactoryInterface $resultFactory
*/
public function setResultFactory(ResultFactoryInterface $resultFactory = null)
{
$this->resultFactory = $resultFactory ?: new DefaultResultFactory();
}
/**
* @param integer $maxResults
*
* @return GeocoderInterface
*/
public function limit($maxResults)
{
$this->maxResults = $maxResults;
return $this;
}
/**
* @return integer $maxResults
*/
public function getMaxResults()
{
return $this->maxResults;
}
/**
* {@inheritDoc}
*/
public function geocode($value)
{
if (empty($value)) {
// let's save a request
return $this->returnResult(array());
}
$provider = $this->getProvider()->setMaxResults($this->getMaxResults());
$data = $provider->getGeocodedData(trim($value));
$result = $this->returnResult($data);
return $result;
}
/**
* {@inheritDoc}
*/
public function reverse($latitude, $longitude)
{
if (empty($latitude) || empty($longitude)) {
// let's save a request
return $this->returnResult(array());
}
$provider = $this->getProvider()->setMaxResults($this->getMaxResults());
$data = $provider->getReversedData(array($latitude, $longitude));
$result = $this->returnResult($data);
return $result;
}
/**
* Registers a provider.
*
* @param ProviderInterface $provider
*
* @return GeocoderInterface
*/
public function registerProvider(ProviderInterface $provider)
{
if (null !== $provider) {
$this->providers[$provider->getName()] = $provider;
}
return $this;
}
/**
* Registers a set of providers.
*
* @param ProviderInterface[] $providers
*
* @return GeocoderInterface
*/
public function registerProviders(array $providers = array())
{
foreach ($providers as $provider) {
$this->registerProvider($provider);
}
return $this;
}
/**
* Sets the provider to use.
*
* @param string $name A provider's name
*
* @return GeocoderInterface
*/
public function using($name)
{
if (isset($this->providers[$name])) {
$this->provider = $this->providers[$name];
}
return $this;
}
/**
* Returns registered providers indexed by name.
*
* @return ProviderInterface[]
*/
public function getProviders()
{
return $this->providers;
}
/**
* Returns the provider to use.
*
* @return ProviderInterface
*/
protected function getProvider()
{
if (null === $this->provider) {
if (0 === count($this->providers)) {
throw new \RuntimeException('No provider registered.');
} else {
$this->provider = $this->providers[key($this->providers)];
}
}
return $this->provider;
}
/**
* @param array $data An array of data.
*
* @return ResultInterface
*/
protected function returnResult(array $data = array())
{
return $this->resultFactory->createFromArray($data);
}
}