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113 lines (98 loc) · 2.39 KB
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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\Provider;
use Geocoder\Exception\ChainNoResult;
use Geocoder\Exception\InvalidCredentials;
/**
* @author Markus Bachmann <markus.bachmann@bachi.biz>
*/
class Chain implements Provider
{
/**
* @var Provider[]
*/
private $providers = [];
/**
* @param Provider[] $providers
*/
public function __construct(array $providers = [])
{
$this->providers = $providers;
}
/**
* {@inheritDoc}
*/
public function geocode($address)
{
$exceptions = [];
foreach ($this->providers as $provider) {
try {
return $provider->geocode($address);
} catch (InvalidCredentials $e) {
throw $e;
} catch (\Exception $e) {
$exceptions[] = $e;
}
}
throw new ChainNoResult(sprintf('No provider could geocode address: "%s".', $address), $exceptions);
}
/**
* {@inheritDoc}
*/
public function reverse($latitude, $longitude)
{
$exceptions = [];
foreach ($this->providers as $provider) {
try {
return $provider->reverse($latitude, $longitude);
} catch (InvalidCredentials $e) {
throw $e;
} catch (\Exception $e) {
$exceptions[] = $e;
}
}
throw new ChainNoResult(sprintf('No provider could reverse coordinates: %f, %f.', $latitude, $longitude), $exceptions);
}
/**
* {@inheritDoc}
*/
public function limit($limit)
{
foreach ($this->providers as $provider) {
$provider->limit($limit);
}
return $this;
}
/**
* {@inheritDoc}
*/
public function getLimit()
{
throw new \LogicException("The `Chain` provider is not able to return the limit value.");
}
/**
* {@inheritDoc}
*/
public function getName()
{
return 'chain';
}
/**
* Adds a provider.
*
* @param Provider $provider
*
* @return Chain
*/
public function add(Provider $provider)
{
$this->providers[] = $provider;
return $this;
}
}