A CsqWebRequest object manages data and state related to a WebRequest
Inheritance: ICsqWebRequest
コード例 #1
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ファイル: BasicWeb.cs プロジェクト: emrahoner/CsQuery
        public void GetHtmlTimeout()
        {

            var creator = new Mocks.MockWebRequestCreator();
            creator.ResponseTime = 1000;
            creator.ResponseStream = GetMemoryStream("<div>Test</div>");
            
            var request = new CsqWebRequest("http://test.com", creator);
            request.Options = new ServerConfig
            {
                Timeout = TimeSpan.FromMilliseconds(500),
                UserAgent = "test"
            };

            var httpRequest = request.GetWebRequest();

            IHttpWebResponse response;

            Assert.Throws<System.Net.WebException>(() =>
            {
                response = httpRequest.GetResponse();
            });

            request.Timeout = 1500;
            httpRequest = request.GetWebRequest();
            response = httpRequest.GetResponse();

            var responseStream = response.GetResponseStream();
            var encoding = CsqWebRequest.GetEncoding(response);

            var dom = CQ.CreateDocument(responseStream, encoding);


            Assert.AreEqual(1, dom["div"].Length);
        }
コード例 #2
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 public static CQ CreateFromUrl(string url)
 {
     CsqWebRequest con = new CsqWebRequest(url);
     con.Get();
     con.UserAgent = UserAgent;
     return CQ.Create(con.Html);
 }
コード例 #3
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ファイル: CreateFromUrl.cs プロジェクト: kaleb/CsQuery
        /// <summary>
        /// Creates a new DOM from an HTML file.
        /// </summary>
        ///
        /// <param name="url">
        /// The URL of the remote server.
        /// </param>
        /// <param name="options">
        /// The options to use when creating the reqest.
        /// </param>
        ///
        /// <returns>
        /// A CQ object composed from the HTML response from the server.
        /// </returns>

        public static CQ CreateFromUrl(string url, ServerConfig options=null)
        {
            
            CsqWebRequest request = new CsqWebRequest(url);
            ServerConfig.Apply(options, request);

            request.Get();

            return CQ.CreateDocument(request.Html);
        }
コード例 #4
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ファイル: ServerConfig.cs プロジェクト: kaleb/CsQuery
        /// <summary>
        /// Apply these options to a web request.
        /// </summary>
        ///
        /// <param name="options">
        /// The options.
        /// </param>
        /// <param name="request">
        /// The CsqWebRequest object to apply the options to.
        /// </param>

        public static void Apply(ServerConfig options, CsqWebRequest request)
        {
            var opts = Merge(options);
            if (opts.Timeout != null)
            {
                request.Timeout = (int)Math.Floor(opts.Timeout.TotalMilliseconds);
            }
            if (opts.UserAgent != null)
            {
                request.UserAgent = opts.UserAgent;
            }
        }
コード例 #5
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        /// <summary>
        /// Apply these options to a web request.
        /// </summary>
        ///
        /// <param name="options">
        /// The options.
        /// </param>
        /// <param name="request">
        /// The CsqWebRequest object to apply the options to.
        /// </param>

        public static void Apply(ServerConfig options, CsqWebRequest request)
        {
            var opts = Merge(options);

            if (opts.Timeout != null)
            {
                request.Timeout = (int)Math.Floor(opts.Timeout.TotalMilliseconds);
            }
            if (opts.UserAgent != null)
            {
                request.UserAgent = opts.UserAgent;
            }
        }
コード例 #6
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ファイル: CreateFromUrl.cs プロジェクト: xinmyname/CsQuery
        /// <summary>
        /// Creates a new DOM from an HTML file.
        /// </summary>
        ///
        /// <param name="url">
        /// The URL of the remote server.
        /// </param>
        /// <param name="options">
        /// The options to use when creating the reqest.
        /// </param>
        ///
        /// <returns>
        /// A CQ object composed from the HTML response from the server.
        /// </returns>

        public static CQ CreateFromUrl(string url, ServerConfig options=null)
        {
            
            CsqWebRequest request = new CsqWebRequest(url);
            request.Options = options;

            var httpRequest = request.GetWebRequest();
            var response = httpRequest.GetResponse();
            var responseStream = response.GetResponseStream();
            var encoding = CsqWebRequest.GetEncoding(response);

            return CQ.CreateDocument(responseStream,encoding);
        }
コード例 #7
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        /// <summary>
        /// Start an async request, and return a unique ID that identifies it.
        /// </summary>
        ///
        /// <param name="url">
        /// The URL of the remote server.
        /// </param>
        /// <param name="success">
        /// A delegate to invoke upon successful completion of the request.
        /// </param>
        /// <param name="fail">
        /// A delegate to invoke when a request fails.
        /// </param>
        /// <param name="id">
        /// The identifier.
        /// </param>
        /// <param name="options">
        /// Options to be used when creating this request. If not provided, the default options will be
        /// used.
        /// </param>

        public static void StartAsyncWebRequest(string url, Action <ICsqWebResponse> success, Action <ICsqWebResponse> fail, int id, ServerConfig options = null)
        {
            var request = new CsqWebRequest(url);

            ServerConfig.Apply(options, request);

            request.Id    = id;
            request.Async = true;

            var mrEvent = request.GetAsync(success, fail);

            AsyncEvents.Add(mrEvent);
        }
コード例 #8
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        private void RespCallback(IAsyncResult ar)
        {
            // Get the RequestState object from the async result.
            WebRequestState rs = (WebRequestState)ar.AsyncState;

            // Get the WebRequest from RequestState.
            IHttpWebRequest req = rs.Request;

            req.Timeout = Timeout;
            req.Headers["UserAgent"] = UserAgent;

            try
            {
                // Call EndGetResponse, which produces the WebResponse object
                //  that came from the request issued above.
                Response = (IHttpWebResponse)req.EndGetResponse(ar);
            }
            catch (WebException e)
            {
                Complete     = true;
                Success      = false;
                WebException = e;

                if (CallbackFail != null)
                {
                    CallbackFail(this);
                }
                allDone.Set();
                return;
            }

            ResponseEncoding = CsqWebRequest.GetEncoding(Response);

            //  Start reading data from the response stream.
            Stream responseStream = Response.GetResponseStream();

            // Store the response stream in RequestState to read
            // the stream asynchronously.
            rs.ResponseStreamAsync = responseStream;
            ResponseStream         = new MemoryStream();


            //  Pass rs.BufferRead to BeginRead. Read data into rs.BufferRead
            IAsyncResult iarRead = responseStream.BeginRead(rs.BufferRead, 0,
                                                            BUFFER_SIZE, new AsyncCallback(ReadCallBack), rs);
        }
コード例 #9
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ファイル: BasicWeb.cs プロジェクト: emrahoner/CsQuery
        public void GetHtmlAsyncTimeout()
        {

            var creator = new Mocks.MockWebRequestCreator();
            creator.ResponseTime = 1000;
            creator.ResponseStream = GetMemoryStream("<div>Test</div>");

            var request = new CsqWebRequest("http://test.com", creator);
            request.Options = new ServerConfig
            {
                Timeout = TimeSpan.FromMilliseconds(500),
                UserAgent = "test"
            };

            bool? done = null;

            request.GetAsync((r) =>
            {
                done = true;
            }, (r) =>
            {
                done = false;
            });

            while (done == null) ;
            Assert.IsFalse((bool)done);

            creator.ResponseTime = 300;
            request = new CsqWebRequest("http://test.com", creator);

            done = null;
            request.GetAsync((r) =>
            {
                done = true;
            }, (r) =>
            {
                done = false;
            });

            while (done == null) ;
            Assert.IsTrue((bool)done);


        }
コード例 #10
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        public void Utf8NoContentType()
        {

            var creator = new Mocks.MockWebRequestCreator();
            creator.CharacterSet = "ISO-8859-1";
            creator.ResponseStream = GetMemoryStream(TestHtml("arabic"), new UTF8Encoding(false));

            CsqWebRequest request = new CsqWebRequest("http://test.com", creator);
            
            // remove the content type header
            var html = request.Get();
            var start = html.IndexOf(@"<meta http-equiv=""Content-Type""");
            var end = html.IndexOf(">",start);
            html = html.Substring(0,start)+html.Substring(end+1);

            var dom = CQ.CreateDocument(html);
            var expected = @"البابا: اوقفوا ""المجزرة"" في سوريا قبل ان تتحول البلاد الى ""أطلال""";

            Assert.AreNotEqual(expected, dom["h1"].Text());

            //test synchronous: this is the code that CreateFromURL uses 

            request = new CsqWebRequest("http://test.com", creator);

            var httpRequest = request.GetWebRequest();
            var response = httpRequest.GetResponse();
            var responseStream = response.GetResponseStream();
            var encoding = CsqWebRequest.GetEncoding(response);
            var dom2 = CQ.CreateDocument(responseStream, encoding);

            Assert.AreEqual(expected, dom2["h1"].Text());

            // Test async version now

            request = new CsqWebRequest("http://test.com", creator);
            
            bool? done=null;
            CQ dom3=null;

            request.GetAsync((r) =>
            {
                dom3 = r.Dom;
                done = true;
            }, (r)=>{
                done = false;   
            });

            while (done == null) ;
            Assert.IsTrue((bool)done);
            Assert.AreEqual(expected, dom3["h1"].Text());

        }
コード例 #11
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        public void ContentTypeHeader()
        {
            var creator = new Mocks.MockWebRequestCreator();
            creator.CharacterSet = "windows-1255";
            creator.ResponseHTML = htmlStart + htmlStart3 + hebrewChar + htmlEnd;
            
            CsqWebRequest request = new CsqWebRequest("http://test.com", creator);
            
            var dom1 = CQ.Create(request.Get());

            creator.CharacterSet = "";
            request = new CsqWebRequest("http://test.com", creator);
            var dom2 = CQ.Create(request.Get());

            var output = dom1.Render(OutputFormatters.HtmlEncodingMinimum);

            // The characters should be encoded differently.

            var outputHebrewChar = dom1["#test"].Text();
            var outputUTF8Char = dom2["#test"].Text();
            Assert.AreNotEqual(outputHebrewChar, outputUTF8Char);

            // try it again, using the meta tag
            creator.CharacterSet = "windows-1255";
            creator.ResponseHTML = htmlStart + htmlStartMeta + htmlStart3 + hebrewChar + htmlEnd;

            request = new CsqWebRequest("http://test.com", creator);
            var dom3 = CQ.Create(request.Get());
            var outputHebrewChar2 = dom3["#test"].Text();

            Assert.AreEqual(outputHebrewChar, outputHebrewChar2);

        }
コード例 #12
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        /// <summary>
        /// Start an async request, and return a unique ID that identifies it.
        /// </summary>
        ///
        /// <param name="url">
        /// The URL of the remote server.
        /// </param>
        /// <param name="success">
        /// A delegate to invoke upon successful completion of the request.
        /// </param>
        /// <param name="fail">
        /// A delegate to invoke when a request fails.
        /// </param>
        /// <param name="id">
        /// The identifier.
        /// </param>
        /// <param name="options">
        /// Options to be used when creating this request. If not provided, the default options will be
        /// used.
        /// </param>

        public static void StartAsyncWebRequest(string url, Action<ICsqWebResponse> success, Action<ICsqWebResponse> fail, int id, ServerConfig options = null)
        {
            var request = new CsqWebRequest(url);
            ServerConfig.Apply(options, request);

            request.Id = id;
            request.Async = true;
            
            var mrEvent = request.GetAsync(success, fail);
            AsyncEvents.Add(mrEvent);
        }
コード例 #13
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        public static void StartAsyncWebRequest(string url, Action<ICsqWebResponse> callback, object id=null)
        {
            var request = new CsqWebRequest(url);
            request.Id = id;
            request.Async = true;

            var mrEvent = request.GetAsync(callback);
            AsyncEvents.Add(mrEvent);
        }
コード例 #14
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        public void ContentTypeHeader()
        {
            var creator = new Mocks.MockWebRequestCreator();
            creator.CharacterSet = "windows-1255";
            creator.ResponseStream = GetMemoryStream(htmlStart + htmlStart3 + hebrewChar + htmlEnd, Encoding.GetEncoding("windows-1255"));
            
            CsqWebRequest request = new CsqWebRequest("http://test.com", creator);
            
            var dom1 = CQ.Create(request.Get());

            creator.CharacterSet = "";
            request = new CsqWebRequest("http://test.com", creator);
            var dom2 = CQ.Create(request.Get());

            var output = dom1.Render(OutputFormatters.HtmlEncodingMinimum);

            // The characters should be encoded differently.

            var outputHebrewChar = dom1["#test"].Text();
            var outputUTF8Char = dom2["#test"].Text();
            Assert.AreNotEqual(outputHebrewChar, outputUTF8Char);

            // try it again, using the meta tag
            creator.CharacterSet = "windows-1255";
            creator.ResponseStream = GetMemoryStream(htmlStart + htmlStartMeta + htmlStart3 + hebrewChar + htmlEnd, Encoding.GetEncoding("windows-1255"));

            /// CreateFromUrl process
            
            request = new CsqWebRequest("http://test.com", creator);
            var httpRequest = request.GetWebRequest();
            var response = httpRequest.GetResponse();
            var responseStream = response.GetResponseStream();
            var encoding = CsqWebRequest.GetEncoding(response);

            var dom3 = CQ.CreateDocument(responseStream, encoding);
            var outputHebrewChar2 = dom3["#test"].Text();

            Assert.AreEqual(outputHebrewChar, outputHebrewChar2);

        }
コード例 #15
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        public void Utf8NoContentType()
        {

            var creator = new Mocks.MockWebRequestCreator();
            creator.CharacterSet = "ISO-8859-1";
            creator.ResponseStream = GetMemoryStream(TestHtml("arabic"), new UTF8Encoding(false));

            CsqWebRequest request = new CsqWebRequest("http://test.com", creator);
            
            // remove the content type header
            var html = ReplaceCharacterSet(request.Get());

            var dom = CQ.CreateDocument(html);

            Assert.AreNotEqual(arabicExpected, dom["h1"].Text());

            //test synchronous: this is the code that CreateFromURL uses 

            creator.CharacterSet = null;
            request = new CsqWebRequest("http://test.com", creator);

            var httpRequest = request.GetWebRequest();
            var response = httpRequest.GetResponse();
            var responseStream = response.GetResponseStream();
            var encoding = CsqWebRequest.GetEncoding(response);
            var dom2 = CQ.CreateDocument(responseStream, encoding);

            Assert.AreEqual(arabicExpected, dom2["h1"].Text());

            // Test async version now

            request = new CsqWebRequest("http://test.com", creator);
            
            bool? done=null;
            CQ dom3=null;

            request.GetAsync((r) =>
            {
                dom3 = r.Dom;
                done = true;
            }, (r)=>{
                done = false;   
            });

            while (done == null) ;
            Assert.IsTrue((bool)done);
            Assert.AreEqual(arabicExpected, dom3["h1"].Text());

        }
コード例 #16
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        public void MismatchedContentTypeHeaderAndBOM()
        {

            var creator = new Mocks.MockWebRequestCreator();
            creator.CharacterSet = "ISO-8859-1";
            
            // response stream has UTF8 BOM; the latin encoding should be ignored.
            var html = ReplaceCharacterSet(TestHtml("arabic"));
            creator.ResponseStream = GetMemoryStream(html, new UTF8Encoding(true));

            CsqWebRequest request = new CsqWebRequest("http://test.com", creator);


            var dom = ProcessMockWebRequestSync(request);

            Assert.AreEqual(arabicExpected, dom["h1"].Text());

          
        }
コード例 #17
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        public void XmlEncodingDeclaration()
        {

            var creator = new Mocks.MockWebRequestCreator();
            creator.CharacterSet = null;
            
            var html =  ReplaceCharacterSet(TestHtml("arabic"),"ISO-8859-1");
                       
            creator.ResponseStream = GetMemoryStream(html, null);
            CsqWebRequest request = new CsqWebRequest("http://test.com", creator);

            var dom = ProcessMockWebRequestSync(request);
            Assert.AreNotEqual(arabicExpected, dom["h1"].Text());


            // contains xml UTF8 and inline ISO encoding
            
            html = "<?xml version=\"1.0\" encoding=\"utf-8\" ?>" + html;
            creator.ResponseStream = GetMemoryStream(html, null);
            request = new CsqWebRequest("http://test.com", creator);
            
            dom = ProcessMockWebRequestSync(request);
            Assert.AreEqual(arabicExpected, dom["h1"].Text());
          
        }
コード例 #18
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        /// <summary>
        /// Process the mock web request synchronously using same rules as CreateFromUrl
        /// </summary>
        ///
        /// <param name="request">
        /// The request.
        /// </param>
        ///
        /// <returns>
        /// .
        /// </returns>

        private CQ ProcessMockWebRequestSync(CsqWebRequest request)
        {
            var httpRequest = request.GetWebRequest();
            var response = httpRequest.GetResponse();
            var responseStream = response.GetResponseStream();
            var encoding = CsqWebRequest.GetEncoding(response);
           return  CQ.CreateDocument(responseStream, encoding);
        }