69 lines
2.1 KiB
PHP
69 lines
2.1 KiB
PHP
<?php
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/** DomFramework
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* @package domframework
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* @author Dominique Fournier <dominique@fournier38.fr>
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* @license BSD
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*/
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namespace Domframework;
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/** Allow to manage the REST protocol by using the users output types
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*/
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class Rest
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{
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/** Allowed types by default
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*/
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public $allowedtypes = array("json", "xml", "txt", "csv");
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/** Converted types
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*/
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private $convert = array(
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"application/json" => "json",
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"application/xml" => "xml",
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"text/plain" => "txt",
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"text/csv" => "csv",
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);
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/** This method allow to choose the type of plugin to use on output
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* Based on the HTTP_ACCEPT parameter provided by the user
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* @return string like "json", "xml", "txt", "csv"
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*/
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public function chooseType()
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{
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$type = reset($this->allowedtypes);
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if (isset($_SERVER["HTTP_ACCEPT"])) {
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// Must work with the complete definition to match, and by the name of
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// the output plugin at the end
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$convert = array_intersect($this->convert, $this->allowedtypes);
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$type = array_search(reset($this->allowedtypes), $this->convert);
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$http = new Http();
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$type = $http->bestChoice(
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$_SERVER["HTTP_ACCEPT"],
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array_keys($convert),
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$type
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);
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$type = $this->convert[$type];
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}
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return $type;
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}
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/** Display the message (which can be a string, an array, an integer...)
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* into the type asked by the client if it is allowed.
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* By default, the JSON type is used
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* @param string $message Message to be displayed by the output type
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* @param integer|null $code HTTP code to use
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*/
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public function display($message, $code = 200)
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{
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$http = new Http();
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$text = $http->codetext($code);
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header($_SERVER["SERVER_PROTOCOL"] . " $code $text");
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$type = $this->chooseType();
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$constr = __NAMESPACE__ . "\\Output$type";
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$method = "out";
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$obj = new $constr();
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$obj->$method($message);
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}
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}
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