+<?php
+/**
+ * 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 2 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, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ */
+
+/**
+ * This exception will be thrown when dieUsage is called to stop module execution.
+ *
+ * @ingroup API
+ * @deprecated since 1.29, use ApiUsageException instead
+ */
+class UsageException extends MWException {
+
+ private $mCodestr;
+
+ /**
+ * @var null|array
+ */
+ private $mExtraData;
+
+ /**
+ * @param string $message
+ * @param string $codestr
+ * @param int $code
+ * @param array|null $extradata
+ */
+ public function __construct( $message, $codestr, $code = 0, $extradata = null ) {
+ parent::__construct( $message, $code );
+ $this->mCodestr = $codestr;
+ $this->mExtraData = $extradata;
+
+ if ( !$this instanceof ApiUsageException ) {
+ wfDeprecated( __METHOD__, '1.29' );
+ }
+
+ // This should never happen, so throw an exception about it that will
+ // hopefully get logged with a backtrace (T138585)
+ if ( !is_string( $codestr ) || $codestr === '' ) {
+ throw new InvalidArgumentException( 'Invalid $codestr, was ' .
+ ( $codestr === '' ? 'empty string' : gettype( $codestr ) )
+ );
+ }
+ }
+
+ /**
+ * @return string
+ */
+ public function getCodeString() {
+ wfDeprecated( __METHOD__, '1.29' );
+ return $this->mCodestr;
+ }
+
+ /**
+ * @return array
+ */
+ public function getMessageArray() {
+ wfDeprecated( __METHOD__, '1.29' );
+ $result = [
+ 'code' => $this->mCodestr,
+ 'info' => $this->getMessage()
+ ];
+ if ( is_array( $this->mExtraData ) ) {
+ $result = array_merge( $result, $this->mExtraData );
+ }
+
+ return $result;
+ }
+
+ /**
+ * @return string
+ */
+ public function __toString() {
+ return "{$this->getCodeString()}: {$this->getMessage()}";
+ }
+}