+<?php
+// Own namespace
+namespace CoreFramework\Output;
+
+// Import framework stuff
+use CoreFramework\Manager\ManageableApplication;
+use CoreFramework\Output\BaseOutput;
+use CoreFramework\Registry\Registerable;
+use CoreFramework\Stream\Output\OutputStreamer;
+
+/**
+ * This class simply puts HTML code / JavaScript code or CSS code out to the
+ * browser
+ *
+ * @author Roland Haeder <webmaster@shipsimu.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.shipsimu.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/>.
+ */
+class WebOutput extends BaseOutput implements OutputStreamer, Registerable {
+ /**
+ * The instance for the singleton design pattern
+ */
+ private static $webInstance = NULL;
+
+ /**
+ * Protected constructor
+ *
+ * @return void
+ */
+ protected function __construct () {
+ // Call parent constructor
+ parent::__construct(__CLASS__);
+ }
+
+ /**
+ * Create a new web output system and set the content type
+ *
+ * @param $applicationInstance An instance of a ManageableApplication class
+ * @return $debugInstance An instance of this middleware class
+ */
+ public static final function createWebOutput (ManageableApplication $applicationInstance) {
+ // Is the self-instance already set?
+ if (is_null(self::$webInstance)) {
+ // Get a new instance and set it
+ self::$webInstance = new WebOutput();
+
+ // Get the content type
+ $contentType = self::$webInstance->getConfigInstance()->getConfigEntry('web_content_type');
+
+ // Set the content type
+ if (!empty($contentType)) {
+ // Set the header
+ $applicationInstance->getResponseInstance()->addHeader('Content-type', $contentType);
+ } // END - if
+ } // END - if
+
+ // Return instance
+ return self::$webInstance;
+ }
+
+ /**
+ * Output the code
+ *
+ * @param $outStream Stream to output
+ * @param $stripTags Whether HTML tags shall be stripped out
+ * @return void
+ */
+ public final function output ($outStream = FALSE, $stripTags = FALSE) {
+ print(stripslashes($outStream));
+ }
+
+ /**
+ * Determines seek position
+ *
+ * @return $seekPosition Current seek position
+ * @throws UnsupportedOperationException If this method is called
+ */
+ public function determineSeekPosition () {
+ throw new UnsupportedOperationException(array($this, __FUNCTION__), self::EXCEPTION_UNSPPORTED_OPERATION);
+ }
+
+ /**
+ * Seek to given offset (default) or other possibilities as fseek() gives.
+ *
+ * @param $offset Offset to seek to (or used as "base" for other seeks)
+ * @param $whence Added to offset (default: only use offset to seek to)
+ * @return $status Status of file seek: 0 = success, -1 = failed
+ * @throws UnsupportedOperationException If this method is called
+ */
+ public function seek ($offset, $whence = SEEK_SET) {
+ self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('[' . __METHOD__ . ':' . __LINE__ . '] offset=' . $offset . ',whence=' . $whence);
+ throw new UnsupportedOperationException(array($this, __FUNCTION__), self::EXCEPTION_UNSPPORTED_OPERATION);
+ }
+
+ /**
+ * Size of file stack
+ *
+ * @return $size Size (in bytes) of file
+ * @throws UnsupportedOperationException If this method is called
+ */
+ public function size () {
+ throw new UnsupportedOperationException(array($this, __FUNCTION__), self::EXCEPTION_UNSPPORTED_OPERATION);
+ }
+
+}