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<?php
namespace jp3cki\gimei\address;
use jp3cki\gimei\Exception;
class Dictionary
{
private $prefectures;
private $cities;
private $towns;
public function __construct($jsonPath)
{
$this->load($jsonPath);
}
public function getOneOfPrefecture()
{
return $this->prefectures[
mt_rand(0, count($this->prefectures) - 1)
];
}
public function getOneOfCity()
{
return $this->cities[
mt_rand(0, count($this->cities) - 1)
];
}
public function getOneOfTown()
{
return $this->towns[
mt_rand(0, count($this->towns) - 1)
];
}
private function load($jsonPath)
{
if (!file_exists($jsonPath)) {
throw new Exception('Could not find ' . basename($jsonPath));
}
$json = json_decode(file_get_contents($jsonPath), true);
if (!isset($json['addresses']) ||
!isset($json['addresses']['prefecture']) ||
!isset($json['addresses']['city']) ||
!isset($json['addresses']['town'])) {
throw new Exception('Broken json: ' . basename($jsonPath));
}
$this->prefectures = $json['addresses']['prefecture'];
$this->cities = $json['addresses']['city'];
$this->towns = $json['addresses']['town'];
}
}