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59 lines
1.6 KiB
59 lines
1.6 KiB
<?php
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/** @license MIT
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* Copyright 2018 J. King et al.
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* See LICENSE and AUTHORS files for details */
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declare(strict_types=1);
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namespace JKingWeb\Lax\JSON;
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use JKingWeb\Lax\Person\Person;
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use JKingWeb\Lax\Person\Collection as PersonCollection;
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trait Construct {
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use \JKingWeb\Lax\Construct;
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/** @var object */
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public $json;
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/** Returns an object member if the member exists and is of the expected type
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*
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* Returns null otherwise
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*/
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protected function fetchMember(string $key, string $type, \stdClass $obj = null) {
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$obj = $obj ?? $this->json;
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if (!isset($obj->$key)) {
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return null;
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}
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$type = strtolower($type);
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switch ($type) {
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case "bool":
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$type = "boolean";
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break;
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case "int":
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$type = "integer";
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break;
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case "float":
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$type = "double";
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break;
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case "str":
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$type = "string";
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break;
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}
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if (strtolower(gettype($obj->$key))==$type) {
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return $obj->$key;
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} else {
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return null;
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}
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}
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/** Returns an object member as a resolved URL */
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protected function fetchUrl(string $key, \stdClass $obj = null) {
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$url = $this->fetchMember($key, "str", $obj);
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return (!is_null($url)) ? $this->resolveUrl($url, $this->url) : $url;
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}
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/** Returns an object member as a parsed date */
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protected function fetchDate(string $key, \stdClass $obj = null) {
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return $this->parseDate($this->fetchMember($key, "str", $obj) ?? "");
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}
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}
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