+<?php
+// Own namespace
+namespace Org\Mxchange\CoreFramework\String\Utils;
+
+// Import framework stuff
+use Org\Mxchange\CoreFramework\Configuration\FrameworkConfiguration;
+use Org\Mxchange\CoreFramework\Generic\NullPointerException;
+use Org\Mxchange\CoreFramework\Object\BaseFrameworkSystem;
+
+// Import SPL stuff
+use \InvalidArgumentException;
+
+/**
+ * A string utility class
+ *
+ * @author Roland Haeder <webmaster@ship-simu.org>
+ * @version 0.0.0
+ * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2017 Core Developer Team
+ * @license GNU GPL 3.0 or any newer version
+ * @link http://www.ship-simu.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+final class StringUtils extends BaseFrameworkSystem {
+ /**
+ * Private constructor, no instance needed
+ *
+ * @return void
+ */
+ private function __construct () {
+ // Call parent constructor
+ parent::__construct(__CLASS__);
+ }
+
+ /**
+ * Converts dashes to underscores, e.g. useable for configuration entries
+ *
+ * @param $str The string with maybe dashes inside
+ * @return $str The converted string with no dashed, but underscores
+ * @throws NullPointerException If $str is null
+ * @throws InvalidArgumentException If $str is empty
+ */
+ public static function convertDashesToUnderscores ($str) {
+ // Is it null?
+ if (is_null($str)) {
+ // Throw NPE
+ throw new NullPointerException($this, self::EXCEPTION_IS_NULL_POINTER);
+ } elseif (!is_string($str)) {
+ // Entry is empty
+ throw new InvalidArgumentException(sprintf('str[]=%s is not a string', gettype($str)), FrameworkConfiguration::EXCEPTION_CONFIG_KEY_IS_EMPTY);
+ } elseif ((is_string($str)) && (empty($str))) {
+ // Entry is empty
+ throw new InvalidArgumentException('str is empty', FrameworkConfiguration::EXCEPTION_CONFIG_KEY_IS_EMPTY);
+ }
+
+ // Convert them all
+ $str = str_replace('-', '_', $str);
+
+ // Return converted string
+ return $str;
+ }
+
+}
projects / core.git / commitdiff