3 namespace CoreFramework\Output;
5 // Import framework stuff
6 use CoreFramework\Bootstrap\FrameworkBootstrap;
7 use CoreFramework\Manager\ManageableApplication;
8 use CoreFramework\Output\BaseOutput;
9 use CoreFramework\Registry\Registerable;
10 use CoreFramework\Stream\Output\OutputStreamer;
13 * This class simply puts HTML code / JavaScript code or CSS code out to the
16 * @author Roland Haeder <webmaster@shipsimu.org>
18 * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2017 Core Developer Team
19 * @license GNU GPL 3.0 or any newer version
20 * @link http://www.shipsimu.org
22 * This program is free software: you can redistribute it and/or modify
23 * it under the terms of the GNU General Public License as published by
24 * the Free Software Foundation, either version 3 of the License, or
25 * (at your option) any later version.
27 * This program is distributed in the hope that it will be useful,
28 * but WITHOUT ANY WARRANTY; without even the implied warranty of
29 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
30 * GNU General Public License for more details.
32 * You should have received a copy of the GNU General Public License
33 * along with this program. If not, see <http://www.gnu.org/licenses/>.
35 class WebOutput extends BaseOutput implements OutputStreamer, Registerable {
37 * The instance for the singleton design pattern
39 private static $webInstance = NULL;
42 * Protected constructor
46 protected function __construct () {
47 // Call parent constructor
48 parent::__construct(__CLASS__);
52 * Create a new web output system and set the content type
54 * @param $applicationInstance An instance of a ManageableApplication class
55 * @return $debugInstance An instance of this middleware class
57 public static final function createWebOutput (ManageableApplication $applicationInstance) {
58 // Is the self-instance already set?
59 if (is_null(self::$webInstance)) {
60 // Get a new instance and set it
61 self::$webInstance = new WebOutput();
63 // Get the content type
64 $contentType = self::$webInstance->getConfigInstance()->getConfigEntry('web_content_type');
66 // Set the content type
67 if (!empty($contentType)) {
69 FrameworkBootstrap::getResponseInstance()->addHeader('Content-type', $contentType);
74 return self::$webInstance;
80 * @param $outStream Stream to output
81 * @param $stripTags Whether HTML tags shall be stripped out
84 public final function output ($outStream = false, $stripTags = false) {
85 print(stripslashes($outStream));
89 * Determines seek position
91 * @return $seekPosition Current seek position
92 * @throws UnsupportedOperationException If this method is called
94 public function determineSeekPosition () {
95 throw new UnsupportedOperationException(array($this, __FUNCTION__), self::EXCEPTION_UNSPPORTED_OPERATION);
99 * Seek to given offset (default) or other possibilities as fseek() gives.
101 * @param $offset Offset to seek to (or used as "base" for other seeks)
102 * @param $whence Added to offset (default: only use offset to seek to)
103 * @return $status Status of file seek: 0 = success, -1 = failed
104 * @throws UnsupportedOperationException If this method is called
106 public function seek ($offset, $whence = SEEK_SET) {
107 self::createDebugInstance(__CLASS__, __LINE__)->debugOutput('[' . __METHOD__ . ':' . __LINE__ . '] offset=' . $offset . ',whence=' . $whence);
108 throw new UnsupportedOperationException(array($this, __FUNCTION__), self::EXCEPTION_UNSPPORTED_OPERATION);
114 * @return $size Size (in bytes) of file
115 * @throws UnsupportedOperationException If this method is called
117 public function size () {
118 throw new UnsupportedOperationException(array($this, __FUNCTION__), self::EXCEPTION_UNSPPORTED_OPERATION);