--- /dev/null
+<?php
+/**
+ * A generic request class
+ *
+ * @author Roland Haeder <webmaster@ship-simu.org>
+ * @version 0.0.0
+ * @copyright Copyright (c) 2007, 2008 Roland Haeder, this is free software
+ * @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/>.
+ *
+ * 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;
+
+ /**
+ * Fatal resolved messages from filters and so on
+ */
+ private $fatalMessages = array();
+
+ /**
+ * Protected constructor
+ *
+ * @param $className Name of the concrete response
+ * @return void
+ */
+ protected function __construct ($className) {
+ // Call parent constructor
+ parent::__construct($className);
+
+ // Clean up a little
+ $this->removeNumberFormaters();
+ $this->removeSystemArray();
+ }
+
+ /**
+ * 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;
+ }
+
+ /**
+ * 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->fatalMessages[] = $this->getApplicationInstance()->getLanguageInstance()->getMessage($messageId);
+ }
+
+ /**
+ * Flushs the cached HTTP response to the outer world
+ *
+ * @param $force Wether we shall force the output or abort if headers are
+ * already sent with an exception
+ * @return void
+ * @throws ResponseHeadersAlreadySentException Thrown if headers are
+ * already sent
+ */
+ public function flushBuffer ($force = false) {
+ if ((headers_sent()) && (!$force)) {
+ // Headers are already sent!
+ throw new ResponseHeadersAlreadySentException($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", $this->getConfigInstance()->readConfig('header_charset')));
+
+ // Send all headers
+ foreach ($this->responseHeaders as $name => $value) {
+ header("{$name}: {$value}");
+ //* DEBUG: */ echo "{$name}: {$value}<br />\n";
+ } // END - foreach
+
+ // Send cookies out?
+ if (count($this->cookies) > 0) {
+ // Send all cookies
+ $cookieString = implode(" ", $this->cookies);
+ header("Set-Cookie: {$cookieString}");
+
+ // Remove them all
+ $this->cookies = array();
+ } // END - if
+ }
+
+ // Are there some error messages?
+ if (count($this->fatalMessages) == 0) {
+ // Flush the output to the world
+ $this->getWebOutputInstance()->output($this->responseBody);
+ } else {
+ // Display all error messages
+ $this->getApplicationInstance()->handleFatalMessages($this->fatalMessages);
+
+ // Send the error messages out to the world
+ $this->getWebOutputInstance()->output($this->responseBody);
+ }
+
+ // Clear response header and body
+ $this->setResponseBody("");
+ $this->resetResponseHeaders();
+ }
+}
+
+// [EOF]
+?>
projects / shipsimu.git / blobdiff