PHP HttpClient::setCacheTime方法代码示例

 /**
  * @param $name artist name
  * @return spotify:artist:uri or false
  */
 function getArtistId($name)
 {
     if (!$name) {
         return false;
     }
     $url = 'http://ws.spotify.com/search/1/artist?q=' . urlencode($name);
     $http = new HttpClient($url);
     $http->setCacheTime(60 * 60 * 24);
     //24 hours
     $data = $http->getBody();
     //TODO: use expire time for cached response
     $expires = strtotime($http->getResponseHeader('Expires')) - time();
     if ($http->getStatus() != 200) {
         d('SpotifyMetadata->getArtistId server error: ' . $http->getStatus());
         d($http->getResponseHeaders());
         return false;
     }
     $arr = $this->parseArtists($data);
     foreach ($arr as $a) {
         if ($a['artist'] == $name) {
             //d("exact match");
             return $a['id'];
         }
         if (soundex($a['artist']) == soundex($name)) {
             //d("fuzzy match");
             return $a['id'];
         }
     }
     return false;
 }

 function parse($raw)
 {
     // TODO XmlReader should not handle HTTP protocol details
     if (is_url($raw)) {
         $url = $raw;
         $h = new HttpClient($url);
         //            $h->setCacheTime('30m');
         $raw = $h->getBody();
         //            d( $h->getResponseHeaders() );
         if ($h->getStatus() == 404) {
             // not found
             return false;
         }
         if ($h->getStatus() == 302) {
             $redir = $h->getResponseHeader('location');
             // echo "REDIRECT: ".$redir."\n";
             $h = new HttpClient($redir);
             //XXX: reuse previous client?
             $h->setCacheTime('30m');
             $url = $redir;
             $raw = $h->getBody();
         }
         // prepend XML header if nonexistent
         if (strpos($raw, '<?xml ') === false) {
             $raw = '<?xml version="1.0"?>' . $raw;
         }
     }
     if (!$this->xml($raw)) {
         if (isset($url)) {
             throw new \Exception("Failed to parse XML from " . $url);
         }
         throw new \Exception("Failed to parse XML");
     }
 }

 static function shorten($input_url)
 {
     $url = 'http://is.gd/api.php?longurl=' . urlencode($input_url);
     $http = new HttpClient($url);
     $http->setCacheTime(86400);
     //24 hours
     $res = $http->getBody();
     if (substr($res, 0, 4) == 'http') {
         return trim($res);
     }
     throw new \Exception('Error: ' . $res);
 }

 static function shorten($url)
 {
     $url = 'http://tinyurl.com/api-create.php?url=' . urlencode($url);
     $http = new HttpClient($url);
     $http->setCacheTime(86400);
     //24 hours
     $res = $http->getBody();
     if (substr($res, 0, 4) == 'http') {
         return trim($res);
     }
     list($error_code, $error_message) = explode('|', $res);
     throw new \Exception('Error: ' . $error_message . ' (' . $error_code . ')');
 }

 static function shorten($input_url)
 {
     /*
             $login = 'bitlyapidemo';
             $key = 'R_0da49e0a9118ff35f52f629d2d71bf07';
     */
     $login = 'martinunicorn';
     $key = 'R_f37747e06a18173096b714827c76b567';
     $url = 'http://api.bit.ly/v3/shorten?format=json&login=' . $login . '&apiKey=' . $key . '&longUrl=' . urlencode($input_url);
     $http = new HttpClient($url);
     $http->setCacheTime(86400);
     //24 hours
     $res = Json::decode($http->getBody());
     if ($res->status_code != 200) {
         throw new \Exception('Error code ' . $res->status_code . ': ' . $res->status_txt);
     }
     return $res->data->url;
 }

 private function query($method, $params)
 {
     $url = 'http://ws.audioscrobbler.com/2.0/?method=' . $method . '&api_key=' . $this->api_key;
     $http = new HttpClient($url);
     $http->setCacheTime('12h');
     foreach ($params as $key => $val) {
         $http->Url->setParam($key, $val);
     }
     echo "QUERYING " . $http->getUrl() . "\n";
     $data = $http->getBody();
     //d($data);
     $x = simplexml_load_string($data);
     /*
             $attrs = $x->attributes();
             if ($attrs['status'] == 'failed')
                 throw new \Exception ('last.fm api error: '.$x->error);
     */
     return $x;
 }

 function parse($data)
 {
     if (is_url($data)) {
         $u = new HttpClient($data);
         $u->setCacheTime(60 * 60);
         //1h
         $data = $u->getBody();
         //FIXME check http client return code for 404
         if (substr($data, 0, 5) != '<asx ') {
             dp('input_asx->parse FAIL: cant parse playlist from ' . $u->getUrl());
             return false;
         }
     }
     $reader = new XMLReader();
     if ($this->getDebug()) {
         echo 'Parsing ASX: ' . $data . ln();
     }
     $reader->xml($data);
     $item = new VideoResource();
     while ($reader->read()) {
         if ($reader->nodeType == XMLReader::END_ELEMENT && $reader->name == 'asx') {
             $this->items[] = $item;
             $item = new VideoResource();
         }
         if ($reader->nodeType != XMLReader::ELEMENT) {
             continue;
         }
         switch ($reader->name) {
             case 'asx':
                 if ($reader->getAttribute('version') != '3.0') {
                     die('XXX FIXME unsupported ASX version ' . $reader->getAttribute('version'));
                 }
                 break;
             case 'entry':
                 while ($reader->read()) {
                     if ($reader->nodeType == XMLReader::END_ELEMENT && $reader->name == 'entry') {
                         break;
                     }
                     if ($reader->nodeType != XMLReader::ELEMENT) {
                         continue;
                     }
                     switch ($reader->name) {
                         case 'author':
                             break;
                             //<author>svt.se</author>
                         //<author>svt.se</author>
                         case 'copyright':
                             break;
                             //<copyright>Sveriges Television AB 2009</copyright>
                         //<copyright>Sveriges Television AB 2009</copyright>
                         case 'starttime':
                             break;
                             //<starttime value="00:00:00.00"/>
                         //<starttime value="00:00:00.00"/>
                         case 'ref':
                             //<ref href="mms://wm0.c90901.cdn.qbrick.com/90901/kluster/20091026/aekonomi920.wmv"/>
                             $item->setUrl($reader->getAttribute('href'));
                             break;
                         case 'duration':
                             //<duration value="00:03:39.00"/>
                             $item->setDuration($reader->getAttribute('value'));
                             break;
                         default:
                             echo "bad entry " . $reader->name . ln();
                     }
                 }
                 break;
             default:
                 echo "unknown " . $reader->name . ln();
                 break;
         }
     }
     $reader->close();
     return true;
 }

 function parse($data)
 {
     $base_url = '';
     if (is_url($data)) {
         //d($data);
         $http = new HttpClient($data);
         $http->setCacheTime(60 * 60);
         //1h
         $data = $http->getBody();
         if (strpos($data, '#EXTM3U') === false) {
             throw new \Exception('M3uReader->parse FAIL: cant parse feed from ' . $http->getUrl());
             return false;
         }
         $base_url = dirname($http->getUrl());
     }
     $this->items = array();
     $rows = explode("\n", $data);
     $ent = new VideoResource();
     //echo '<pre>';
     foreach ($rows as $row) {
         $row = trim($row);
         $p = explode(':', $row, 2);
         switch ($p[0]) {
             case '#EXTM3U':
             case '':
                 break;
                 /*
                 #EXT-X-VERSION:2
                 #EXT-X-ALLOW-CACHE:YES
                 #EXT-X-TARGETDURATION:10
                 #EXT-X-MEDIA-SEQUENCE:0
                 */
             /*
             #EXT-X-VERSION:2
             #EXT-X-ALLOW-CACHE:YES
             #EXT-X-TARGETDURATION:10
             #EXT-X-MEDIA-SEQUENCE:0
             */
             case '#EXTINF':
                 $x = explode(',', $p[1], 2);
                 $ent->setDuration($x[0] != '-1' ? $x[0] : '');
                 $ent->setTitle($x[1]);
                 break;
                 // multiple quality streams for same media can exist
             // multiple quality streams for same media can exist
             case '#EXT-X-STREAM-INF':
                 // #EXT-X-STREAM-INF:PROGRAM-ID=1, BANDWIDTH=294332
                 $x = explode(',', $p[1]);
                 foreach ($x as $kv) {
                     $x2 = explode('=', trim($kv), 2);
                     if ($x2[0] == 'PROGRAM-ID') {
                         $ent->track_id = $x2[1];
                     }
                     if ($x2[0] == 'BANDWIDTH') {
                         // XXX BITRATE???
                         $ent->bitrate = $x2[1];
                     }
                 }
                 break;
             default:
                 if (substr($row, 0, 1) == '#') {
                     break;
                 }
                 if ($base_url && strpos($row, '://') === false) {
                     $row = $base_url . '/' . $row;
                 }
                 $ent->setUrl($row);
                 $this->items[] = $ent;
                 $ent = new VideoResource();
                 break;
         }
     }
 }