--- /dev/null
+<?php
+/**
+ * A class for an HTTP response on an HTTP request
+ *
+ * @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/>.
+ */
+class HttpResponse extends BaseFrameworkSystem implements Responseable {
+ /**
+ * Response status
+ */
+ private $responseStatus = "200 OK";
+
+ /**
+ * Array with all headers
+ */
+ private $responseHeaders = array();
+
+ /**
+ * Body of the response
+ */
+ private $responseBody = "";
+
+ /**
+ * Instance of the template engine
+ */
+ private $templateEngine = null;
+
+ /**
+ * Protected constructor
+ *
+ * @return void
+ */
+ protected function __construct () {
+ // Call parent constructor
+ parent::__construct(__CLASS__);
+
+ // Set part description
+ $this->setObjectDescription("HTTP-Antwort");
+
+ // Create unique ID number
+ $this->createUniqueID();
+
+ // Clean up a little
+ $this->removeNumberFormaters();
+ $this->removeSystemArray();
+ }
+
+ /**
+ * Creates an object of this class
+ *
+ * @param $appInstance An instance of a manageable application
+ * @return $responseInstance A prepared instance of this class
+ */
+ public final static function createHttpResponse (ManageableApplication $appInstance) {
+ // Get a new instance
+ $responseInstance = new HttpResponse();
+
+ // Initialize the template engine here
+ $responseInstance->initTemplateEngine($appInstance);
+
+ // Return the prepared instance
+ return $responseInstance;
+ }
+
+ /**
+ * 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;
+ }
+
+ /**
+ * "Writes" data to the response body
+ *
+ * @param $output Output we shall sent in the HTTP response
+ * @return void
+ */
+ public function writeToBody ($output) {
+ $this->responseBody .= $output;
+ }
+
+ /**
+ * Flushs the cached HTTP response to the outer world
+ *
+ * @param $foce Wether we shall force the output or abort if headers are
+ * already sent with an exception
+ * @return void
+ * @throws ResponseHeadersAlreadySentException Thrown if headers are
+ * already sent
+ */
+ public function flushResponse ($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/1.0 {$this->responseStatus}");
+ foreach ($this->responseHeaders as $name=>$value) {
+ header("{$name}: {$value}");
+ }
+ }
+
+ // Flush the output to the world
+ $this->getWebOutputInstance()->output($this->responseBody);
+ $this->reponseBody = "";
+ $this->responseHeaders = array();
+ }
+
+ /**
+ * Initializes the template engine instance
+ *
+ * @param $appInstance An instance of a manageable application
+ * @return void
+ */
+ public final function initTemplateEngine (ManageableApplication $appInstance) {
+ $this->templateEngine = $this->prepareTemplateEngine($appInstance);
+ }
+
+ /**
+ * Getter for the template engine instance
+ *
+ * @return $templateEngine An instance of the used template engine
+ */
+ public final function getTemplateEngine () {
+ return $this->templateEngine;
+ }
+}
+
+// [EOF]
+?>