82 lines
2.9 KiB
PHP
Executable File
82 lines
2.9 KiB
PHP
Executable File
<?php
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/*
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* Copyright 2017 Google LLC
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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namespace Google\ApiCore;
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/**
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* @internal
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*/
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trait ValidationTrait
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{
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/**
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* @param array $arr Associative array
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* @param array $requiredKeys List of keys to check for in $arr
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* @return array Returns $arr for fluent use
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*/
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public static function validate(array $arr, array $requiredKeys)
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{
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return self::validateImpl($arr, $requiredKeys, true);
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}
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/**
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* @param array $arr Associative array
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* @param array $requiredKeys List of keys to check for in $arr
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* @return array Returns $arr for fluent use
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*/
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public static function validateNotNull(array $arr, array $requiredKeys)
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{
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return self::validateImpl($arr, $requiredKeys, false);
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}
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private static function validateImpl($arr, $requiredKeys, $allowNull)
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{
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foreach ($requiredKeys as $requiredKey) {
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$valid = array_key_exists($requiredKey, $arr)
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&& ($allowNull || !is_null($arr[$requiredKey]));
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if (!$valid) {
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throw new ValidationException("Missing required argument $requiredKey");
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}
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}
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return $arr;
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}
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/**
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* @param string $filePath
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* @throws ValidationException
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*/
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private static function validateFileExists(string $filePath)
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{
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if (!file_exists($filePath)) {
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throw new ValidationException("Could not find specified file: $filePath");
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}
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}
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}
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