comparison vendor/zendframework/zend-feed/src/PubSubHubbub/HttpResponse.php @ 0:c75dbcec494b

Initial commit from drush-created site

+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Feed\PubSubHubbub;
+
+class HttpResponse
+{
+    /**
+     * The body of any response to the current callback request
+     *
+     * @var string
+     */
+    protected $content = '';
+
+    /**
+     * Array of headers. Each header is an array with keys 'name' and 'value'
+     *
+     * @var array
+     */
+    protected $headers = [];
+
+    /**
+     * HTTP response code to use in headers
+     *
+     * @var int
+     */
+    protected $statusCode = 200;
+
+    /**
+     * Send the response, including all headers
+     *
+     * @return void
+     */
+    public function send()
+    {
+        $this->sendHeaders();
+        echo $this->getContent();
+    }
+
+    /**
+     * Send all headers
+     *
+     * Sends any headers specified. If an {@link setHttpResponseCode() HTTP response code}
+     * has been specified, it is sent with the first header.
+     *
+     * @return void
+     */
+    public function sendHeaders()
+    {
+        if (count($this->headers) || (200 != $this->statusCode)) {
+            $this->canSendHeaders(true);
+        } elseif (200 == $this->statusCode) {
+            return;
+        }
+        $httpCodeSent = false;
+        foreach ($this->headers as $header) {
+            if (!$httpCodeSent && $this->statusCode) {
+                header($header['name'] . ': ' . $header['value'], $header['replace'], $this->statusCode);
+                $httpCodeSent = true;
+            } else {
+                header($header['name'] . ': ' . $header['value'], $header['replace']);
+            }
+        }
+        if (!$httpCodeSent) {
+            header('HTTP/1.1 ' . $this->statusCode);
+        }
+    }
+
+    /**
+     * Set a header
+     *
+     * If $replace is true, replaces any headers already defined with that
+     * $name.
+     *
+     * @param  string $name
+     * @param  string $value
+     * @param  bool $replace
+     * @return \Zend\Feed\PubSubHubbub\HttpResponse
+     */
+    public function setHeader($name, $value, $replace = false)
+    {
+        $name  = $this->_normalizeHeader($name);
+        $value = (string) $value;
+        if ($replace) {
+            foreach ($this->headers as $key => $header) {
+                if ($name == $header['name']) {
+                    unset($this->headers[$key]);
+                }
+            }
+        }
+        $this->headers[] = [
+            'name'    => $name,
+            'value'   => $value,
+            'replace' => $replace,
+        ];
+
+        return $this;
+    }
+
+    /**
+     * Check if a specific Header is set and return its value
+     *
+     * @param  string $name
+     * @return string|null
+     */
+    public function getHeader($name)
+    {
+        $name = $this->_normalizeHeader($name);
+        foreach ($this->headers as $header) {
+            if ($header['name'] == $name) {
+                return $header['value'];
+            }
+        }
+    }
+
+    /**
+     * Return array of headers; see {@link $headers} for format
+     *
+     * @return array
+     */
+    public function getHeaders()
+    {
+        return $this->headers;
+    }
+
+    /**
+     * Can we send headers?
+     *
+     * @param  bool $throw Whether or not to throw an exception if headers have been sent; defaults to false
+     * @return HttpResponse
+     * @throws Exception\RuntimeException
+     */
+    public function canSendHeaders($throw = false)
+    {
+        $ok = headers_sent($file, $line);
+        if ($ok && $throw) {
+            throw new Exception\RuntimeException('Cannot send headers; headers already sent in ' . $file . ', line ' . $line);
+        }
+        return !$ok;
+    }
+
+    /**
+     * Set HTTP response code to use with headers
+     *
+     * @param  int $code
+     * @return HttpResponse
+     * @throws Exception\InvalidArgumentException
+     */
+    public function setStatusCode($code)
+    {
+        if (!is_int($code) || (100 > $code) || (599 < $code)) {
+            throw new Exception\InvalidArgumentException('Invalid HTTP response'
+            . ' code:' . $code);
+        }
+        $this->statusCode = $code;
+        return $this;
+    }
+
+    /**
+     * Retrieve HTTP response code
+     *
+     * @return int
+     */
+    public function getStatusCode()
+    {
+        return $this->statusCode;
+    }
+
+    /**
+     * Set body content
+     *
+     * @param  string $content
+     * @return \Zend\Feed\PubSubHubbub\HttpResponse
+     */
+    public function setContent($content)
+    {
+        $this->content = (string) $content;
+        $this->setHeader('content-length', strlen($content));
+        return $this;
+    }
+
+    /**
+     * Return the body content
+     *
+     * @return string
+     */
+    public function getContent()
+    {
+        return $this->content;
+    }
+
+    /**
+     * Normalizes a header name to X-Capitalized-Names
+     *
+     * @param  string $name
+     * @return string
+     */
+    protected function _normalizeHeader($name)
+    {
+        $filtered = str_replace(['-', '_'], ' ', (string) $name);
+        $filtered = ucwords(strtolower($filtered));
+        $filtered = str_replace(' ', '-', $filtered);
+        return $filtered;
+    }
+}