]> git.mxchange.org Git - core.git/blobdiff - inc/main/classes/response/class_BaseResponse.php
Renamed classes/main/ to main/classes/ + added FuseFeature, an upcoming feature
[core.git] / inc / main / classes / response / class_BaseResponse.php
diff --git a/inc/main/classes/response/class_BaseResponse.php b/inc/main/classes/response/class_BaseResponse.php
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index 0000000..0becb58
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+<?php
+/**
+ * A generic request class
+ *
+ * @author             Roland Haeder <webmaster@shipsimu.org>
+ * @version            0.0.0
+ * @copyright  Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2015 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/>.
+ *
+ * The extended headers are taken from phpMyAdmin setup tool, written by
+ * Michal Cihar <michal@cihar.com>, licensed under GNU GPL 2.0.
+ */
+class BaseResponse extends BaseFrameworkSystem {
+       /**
+        * Response status
+        */
+       private $responseStatus = '200 OK';
+
+       /**
+        * Array with all headers
+        */
+       private $responseHeaders = array();
+
+       /**
+        * Cookies we shall sent out
+        */
+       private $cookies = array();
+
+       /**
+        * Body of the response
+        */
+       private $responseBody = '';
+
+       /**
+        * Instance of the template engine
+        */
+       private $templateInstance = NULL;
+
+       /**
+        * Response type
+        */
+       private $responseType = 'invalid';
+
+       /**
+        * Protected constructor
+        *
+        * @param       $className      Name of the concrete response
+        * @return      void
+        */
+       protected function __construct ($className) {
+               // Call parent constructor
+               parent::__construct($className);
+       }
+
+       /**
+        * Setter for status
+        *
+        * @param       $status         New response status
+        * @return      void
+        */
+       public final function setResponseStatus ($status) {
+               $this->responseStatus = (string) $status;
+       }
+
+       /**
+        * Add header element
+        *
+        * @param       $name   Name of header element
+        * @param       $value  Value of header element
+        * @return      void
+        */
+       public final function addHeader ($name, $value) {
+               $this->responseHeaders[$name] = $value;
+       }
+
+       /**
+        * Reset the header array
+        *
+        * @return      void
+        */
+       public final function resetResponseHeaders () {
+               $this->responseHeaders = array();
+       }
+
+       /**
+        * "Writes" data to the response body
+        *
+        * @param       $output         Output we shall sent in the HTTP response
+        * @return      void
+        */
+       public final function writeToBody ($output) {
+               $this->responseBody .= $output;
+       }
+
+       /**
+        * Sets the response body to something new
+        *
+        * @param       $output         Output we shall sent in the HTTP response
+        * @return      void
+        */
+       public final function setResponseBody ($output) {
+               $this->responseBody = $output;
+       }
+
+       /**
+        * Setter for response type
+        *
+        * @param       $responseType   Response type
+        * @return      void
+        */
+       protected final function setResponseType ($responseType) {
+               $this->responseType = $responseType;
+       }
+
+       /**
+        * Getter for response type
+        *
+        * @param       $responseType   Response type
+        * @return      void
+        */
+       public final function getResponseType () {
+               return $this->responseType;
+       }
+
+       /**
+        * Adds a fatal message id to the response. The added messages can then be
+        * processed and outputed to the world
+        *
+        * @param       $messageId      The message id we shall add
+        * @return      void
+        */
+       public final function addFatalMessage ($messageId) {
+               // Adds the resolved message id to the fatal message list
+               $this->addFatalMessagePlain($this->getApplicationInstance()->getLanguageInstance()->getMessage($messageId));
+       }
+
+       /**
+        * Adds a plain fatal message id to the response
+        *
+        * @param       $message        The plain message we shall add
+        * @return      void
+        */
+       public final function addFatalMessagePlain ($message) {
+               // Adds the resolved message id to the fatal message list
+               $this->pushValueToGenericArrayKey('fatal_messages', 'generic', 'message', $message);
+       }
+
+       /**
+        * Flushs the cached HTTP response to the outer world
+        *
+        * @param       $force  Whether we shall force the output or abort if headers are
+        *                                      already sent with an exception
+        * @return      void
+        * @throws      ResponseHeadersAlreadySentException             Thrown if headers are
+        *                                                                                                      already sent
+        */
+       public function flushBuffer ($force = FALSE) {
+               if ((headers_sent()) && ($force === FALSE)) {
+                       // Headers are already sent!
+                       throw new ResponseHeadersAlreadySentException($this, self::EXCEPTION_HEADERS_ALREADY_SENT);
+               } elseif (!headers_sent()) {
+                       // Send headers out
+                       header('HTTP/1.1 ' . $this->responseStatus);
+
+                       // Used later
+                       $now = gmdate('D, d M Y H:i:s') . ' GMT';
+
+                       // General header for no caching
+                       $this->addHeader('Expired', $now); // RFC2616 - Section 14.21
+                       $this->addHeader('Last-Modified', $now);
+                       $this->addHeader('Cache-Control', 'no-store, no-cache, must-revalidate, pre-check=0, post-check=0, max-age=0'); // HTTP/1.1
+                       $this->addHeader('Pragma', 'no-cache'); // HTTP/1.0
+
+                       // Define the charset to be used
+                       //$this->addHeader('Content-type:', sprintf("text/html; charset=%s", $this->getConfigInstance()->getConfigEntry('header_charset')));
+
+                       // Send all headers
+                       foreach ($this->responseHeaders as $name => $value) {
+                               header($name . ': ' . $value);
+                               //* DEBUG: */ self::createDebugInstance(__CLASS__)->debugOutput('name=' . $name . ',value=' . $value);
+                       } // END - foreach
+
+                       // Send cookies out?
+                       if (count($this->cookies) > 0) {
+                               // Send all cookies
+                               $cookieString = implode(' ', $this->cookies);
+                               header('Set-Cookie: ' . $cookieString);
+
+                               // Remove them all
+                               $this->cookies = array();
+                       } // END - if
+               }
+
+               // Are there some error messages?
+               if ((!$this->isValidGenericArrayKey('fatal_messages', 'generic', 'message')) || ($this->countGenericArrayElements('fatal_messages', 'generic', 'message') == 0)) {
+                       // Flush the output to the world
+                       $this->getWebOutputInstance()->output($this->responseBody);
+               } else {
+                       // Display all error messages
+                       $this->getApplicationInstance()->handleFatalMessages($this->getGenericArrayKey('fatal_messages', 'generic', 'message'));
+
+                       // Send the error messages out to the world
+                       $this->getWebOutputInstance()->output($this->responseBody);
+               }
+
+               // Clear response header and body
+               $this->setResponseBody('');
+               $this->resetResponseHeaders();
+       }
+
+       /**
+        * "Getter" for default command
+        *
+        * @return      $defaultCommand         Default command for this response
+        */
+       public function determineDefaultCommand () {
+               // Get application instance
+               $applicationInstance = Registry::getRegistry()->getInstance('app');
+
+               // Generate config key
+               $configKey = sprintf('default_%s_%s_command',
+                       $applicationInstance->getAppShortName(),
+                       $this->getResponseType()
+               );
+
+               // Get default command response
+               $defaultCommand = $this->getConfigInstance()->getConfigEntry($configKey);
+
+               // Return it
+               return $defaultCommand;
+       }
+}
+
+// [EOF]
+?>