annotate vendor/zendframework/zend-feed/src/Reader/Http/Response.php @ 19:fa3358dc1485 tip

Add ndrum files
author Chris Cannam
date Wed, 28 Aug 2019 13:14:47 +0100
parents 129ea1e6d783
children
rev   line source
Chris@0 1 <?php
Chris@0 2 /**
Chris@0 3 * Zend Framework (http://framework.zend.com/)
Chris@0 4 *
Chris@0 5 * @link http://github.com/zendframework/zf2 for the canonical source repository
Chris@0 6 * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
Chris@0 7 * @license http://framework.zend.com/license/new-bsd New BSD License
Chris@0 8 */
Chris@0 9
Chris@0 10 namespace Zend\Feed\Reader\Http;
Chris@0 11
Chris@0 12 use Zend\Feed\Reader\Exception;
Chris@0 13
Chris@0 14 class Response implements HeaderAwareResponseInterface
Chris@0 15 {
Chris@0 16 /**
Chris@0 17 * @var string
Chris@0 18 */
Chris@0 19 private $body;
Chris@0 20
Chris@0 21 /**
Chris@0 22 * @var array
Chris@0 23 */
Chris@0 24 private $headers;
Chris@0 25
Chris@0 26 /**
Chris@0 27 * @var int
Chris@0 28 */
Chris@0 29 private $statusCode;
Chris@0 30
Chris@0 31 /**
Chris@0 32 * @param int $statusCode
Chris@0 33 * @param string|object $body
Chris@0 34 * @param array $headers
Chris@0 35 * @throws Exception\InvalidArgumentException
Chris@0 36 */
Chris@0 37 public function __construct($statusCode, $body = '', array $headers = [])
Chris@0 38 {
Chris@0 39 $this->validateStatusCode($statusCode);
Chris@0 40 $this->validateBody($body);
Chris@0 41 $this->validateHeaders($headers);
Chris@0 42
Chris@0 43 $this->statusCode = (int) $statusCode;
Chris@0 44 $this->body = (string) $body;
Chris@0 45 $this->headers = $this->normalizeHeaders($headers);
Chris@0 46 }
Chris@0 47
Chris@0 48 /**
Chris@0 49 * {@inheritDoc}
Chris@0 50 */
Chris@0 51 public function getStatusCode()
Chris@0 52 {
Chris@0 53 return $this->statusCode;
Chris@0 54 }
Chris@0 55
Chris@0 56 /**
Chris@0 57 * {@inheritDoc}
Chris@0 58 */
Chris@0 59 public function getBody()
Chris@0 60 {
Chris@0 61 return $this->body;
Chris@0 62 }
Chris@0 63
Chris@0 64 /**
Chris@0 65 * {@inheritDoc}
Chris@0 66 */
Chris@0 67 public function getHeaderLine($name, $default = null)
Chris@0 68 {
Chris@0 69 $normalizedName = strtolower($name);
Chris@0 70 return isset($this->headers[$normalizedName])
Chris@0 71 ? $this->headers[$normalizedName]
Chris@0 72 : $default;
Chris@0 73 }
Chris@0 74
Chris@0 75 /**
Chris@0 76 * Validate that we have a status code argument that will work for our context.
Chris@0 77 *
Chris@17 78 * @param int $statusCode
Chris@0 79 * @throws Exception\InvalidArgumentException for arguments not castable
Chris@0 80 * to integer HTTP status codes.
Chris@0 81 */
Chris@0 82 private function validateStatusCode($statusCode)
Chris@0 83 {
Chris@0 84 if (! is_numeric($statusCode)) {
Chris@0 85 throw new Exception\InvalidArgumentException(sprintf(
Chris@0 86 '%s expects a numeric status code; received %s',
Chris@0 87 __CLASS__,
Chris@0 88 (is_object($statusCode) ? get_class($statusCode) : gettype($statusCode))
Chris@0 89 ));
Chris@0 90 }
Chris@0 91
Chris@0 92 if (100 > $statusCode || 599 < $statusCode) {
Chris@0 93 throw new Exception\InvalidArgumentException(sprintf(
Chris@0 94 '%s expects an integer status code between 100 and 599 inclusive; received %s',
Chris@0 95 __CLASS__,
Chris@0 96 $statusCode
Chris@0 97 ));
Chris@0 98 }
Chris@0 99
Chris@0 100 if (intval($statusCode) != $statusCode) {
Chris@0 101 throw new Exception\InvalidArgumentException(sprintf(
Chris@0 102 '%s expects an integer status code; received %s',
Chris@0 103 __CLASS__,
Chris@0 104 $statusCode
Chris@0 105 ));
Chris@0 106 }
Chris@0 107 }
Chris@0 108
Chris@0 109 /**
Chris@0 110 * Validate that we have a body argument that will work for our context.
Chris@0 111 *
Chris@0 112 * @param mixed $body
Chris@0 113 * @throws Exception\InvalidArgumentException for arguments not castable
Chris@0 114 * to strings.
Chris@0 115 */
Chris@0 116 private function validateBody($body)
Chris@0 117 {
Chris@0 118 if (is_string($body)) {
Chris@0 119 return;
Chris@0 120 }
Chris@0 121
Chris@0 122 if (is_object($body) && method_exists($body, '__toString')) {
Chris@0 123 return;
Chris@0 124 }
Chris@0 125
Chris@0 126 throw new Exception\InvalidArgumentException(sprintf(
Chris@0 127 '%s expects a string body, or an object that can cast to string; received %s',
Chris@0 128 __CLASS__,
Chris@0 129 (is_object($body) ? get_class($body) : gettype($body))
Chris@0 130 ));
Chris@0 131 }
Chris@0 132
Chris@0 133 /**
Chris@0 134 * Validate header values.
Chris@0 135 *
Chris@0 136 * @param array $headers
Chris@0 137 * @throws Exception\InvalidArgumentException
Chris@0 138 */
Chris@0 139 private function validateHeaders(array $headers)
Chris@0 140 {
Chris@0 141 foreach ($headers as $name => $value) {
Chris@0 142 if (! is_string($name) || is_numeric($name) || empty($name)) {
Chris@0 143 throw new Exception\InvalidArgumentException(sprintf(
Chris@0 144 'Header names provided to %s must be non-empty, non-numeric strings; received %s',
Chris@0 145 __CLASS__,
Chris@0 146 $name
Chris@0 147 ));
Chris@0 148 }
Chris@0 149
Chris@0 150 if (! is_string($value) && ! is_numeric($value)) {
Chris@0 151 throw new Exception\InvalidArgumentException(sprintf(
Chris@0 152 'Individual header values provided to %s must be a string or numeric; received %s for header %s',
Chris@0 153 __CLASS__,
Chris@0 154 (is_object($value) ? get_class($value) : gettype($value)),
Chris@0 155 $name
Chris@0 156 ));
Chris@0 157 }
Chris@0 158 }
Chris@0 159 }
Chris@0 160
Chris@0 161 /**
Chris@0 162 * Normalize header names to lowercase.
Chris@0 163 *
Chris@0 164 * @param array $headers
Chris@0 165 * @return array
Chris@0 166 */
Chris@0 167 private function normalizeHeaders(array $headers)
Chris@0 168 {
Chris@0 169 $normalized = [];
Chris@0 170 foreach ($headers as $name => $value) {
Chris@0 171 $normalized[strtolower($name)] = $value;
Chris@0 172 }
Chris@0 173 return $normalized;
Chris@0 174 }
Chris@0 175 }