* * @author Arthur Schiwon * @author Christoph Wurst * * @license GNU AGPL version 3 or any later version * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see . * */ namespace OC\L10N; use OCP\IConfig; use OCP\IUser; use OCP\L10N\ILanguageIterator; class LanguageIterator implements ILanguageIterator { private $i = 0; /** @var IConfig */ private $config; /** @var IUser */ private $user; public function __construct(IUser $user, IConfig $config) { $this->config = $config; $this->user = $user; } /** * Rewind the Iterator to the first element */ public function rewind(): void { $this->i = 0; } /** * Return the current element * * @since 14.0.0 */ public function current(): string { switch ($this->i) { /** @noinspection PhpMissingBreakStatementInspection */ case 0: $forcedLang = $this->config->getSystemValue('force_language', false); if (is_string($forcedLang)) { return $forcedLang; } $this->next(); /** @noinspection PhpMissingBreakStatementInspection */ // no break case 1: $forcedLang = $this->config->getSystemValue('force_language', false); if (is_string($forcedLang) && ($truncated = $this->getTruncatedLanguage($forcedLang)) !== $forcedLang ) { return $truncated; } $this->next(); /** @noinspection PhpMissingBreakStatementInspection */ // no break case 2: $userLang = $this->config->getUserValue($this->user->getUID(), 'core', 'lang', null); if (is_string($userLang)) { return $userLang; } $this->next(); /** @noinspection PhpMissingBreakStatementInspection */ // no break case 3: $userLang = $this->config->getUserValue($this->user->getUID(), 'core', 'lang', null); if (is_string($userLang) && ($truncated = $this->getTruncatedLanguage($userLang)) !== $userLang ) { return $truncated; } $this->next(); // no break case 4: return $this->config->getSystemValueString('default_language', 'en'); /** @noinspection PhpMissingBreakStatementInspection */ case 5: $defaultLang = $this->config->getSystemValueString('default_language', 'en'); if (($truncated = $this->getTruncatedLanguage($defaultLang)) !== $defaultLang) { return $truncated; } $this->next(); // no break default: return 'en'; } } /** * Move forward to next element * * @since 14.0.0 */ public function next(): void { ++$this->i; } /** * Return the key of the current element * * @since 14.0.0 */ public function key(): int { return $this->i; } /** * Checks if current position is valid * * @since 14.0.0 */ public function valid(): bool { return $this->i <= 6; } protected function getTruncatedLanguage(string $lang):string { $pos = strpos($lang, '_'); if ($pos !== false) { $lang = substr($lang, 0, $pos); } return $lang; } } Vaadin 6, 7, 8 is a Java framework for modern Java web applications: https://github.com/vaadin/frameworkwww-data

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