protected override Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
{
return Task.Run(() =>
{
var headers = request.Headers as IEnumerable<KeyValuePair<string, IEnumerable<string>>>;
using(var ms = new MemoryStream())
{
if(request.Content != null)
{
var t = request.Content.CopyToAsync(ms);
t.Wait();
headers = headers.Union(request.Content.Headers);
}
var rq = new NSMutableUrlRequest()
{
AllowsCellularAccess = true,
Body = NSData.FromArray(ms.ToArray()),
CachePolicy = NSUrlRequestCachePolicy.ReloadIgnoringCacheData,
Headers = headers.Aggregate(new NSMutableDictionary(), (acc, x) =>
{
acc.Add(new NSString(x.Key), new NSString(String.Join(getHeaderSeparator(x.Key), x.Value)));
return acc;
}),
HttpMethod = request.Method.ToString().ToUpperInvariant(),
Url = NSUrl.FromString(request.RequestUri.AbsoluteUri),
};
NativeMessageConnectionDelegate connectionDelegate = new NativeMessageConnectionDelegate(request);
var connection = new NSUrlConnection(rq, connectionDelegate, false);
connection.Schedule(NSRunLoop.Main, NSRunLoop.NSDefaultRunLoopMode);
connection.Start();
connectionDelegate.wait();
return connectionDelegate.Response;
}
});
}
public string FetchDocument(int page)
{
var p = page > 1 ? "&p=" + page : "";
var uri = string.Format("http://www.dzone.com/links/index.html?type=html{0}", p);
/* WebClient doesn't work because libc.dylib is not being linked properly by MonoMac
* Use Cocoa NSUrlRequest instead as a not-so-pretty-fix
*
var web = new WebClient();
web.Headers["User-Agent"] = "Mozilla/5.0 (Windows NT 5.1; U; rv:5.0) Gecko/20100101 Firefox/5.0";
return web.DownloadString(uri);
*/
var pool = new NSAutoreleasePool();
NSError error = null;
NSUrlResponse response = null;
NSMutableUrlRequest request = new NSMutableUrlRequest(NSUrl.FromString(uri));
var headerKeys = new NSObject[] {
(NSString)"Accept",
(NSString)"Accept-Charset",
(NSString)"Accept-Encoding",
(NSString)"Accept-Language",
(NSString)"Cache-Control",
(NSString)"Host",
(NSString)"User-Agent"
};
var headerVals = new NSObject[] {
(NSString)"text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
(NSString)"ISO-8859-1,utf-8;q=0.7,*;q=0.3",
(NSString)"deflate",
(NSString)"en-US,en;q=0.8",
(NSString)"max-age=0",
(NSString)"www.dzone.com",
(NSString)"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_2) AppleWebKit/535.7 (KHTML, like Gecko) Chrome/16.0.912.21 Safari/535.7"
};
request.Headers = NSDictionary.FromObjectsAndKeys(headerVals, headerKeys);
var data = NSUrlConnection.SendSynchronousRequest(request, out response, out error);
var html = (string)NSString.FromData(data, NSStringEncoding.UTF8);
pool.Dispose();
return html;
}
