Пример #1
0
 public void WriteXML(MashupWriteContext wc, string pathBase)
 {
     wc.writer.WriteStartElement(FutureDocumentFromUri.GetXMLTag());
     wc.writer.WriteAttributeString(FutureDocumentFromUri.FetchedDocumentUriAttr, this.documentUri.ToString());
     wc.writer.WriteAttributeString(FutureDocumentFromUri.FetchedDocumentPageNumberAttr, this.pageNumber.ToString(CultureInfo.InvariantCulture));
     wc.writer.WriteEndElement();
 }
Пример #2
0
        public GeneralDocumentFuture(MashupParseContext context, string pathBase)
        {
            XMLTagReader xMLTagReader = context.NewTagReader(GeneralDocumentFuture.GetXMLTag());

            while (xMLTagReader.FindNextStartTag())
            {
                if (xMLTagReader.TagIs(FutureDocumentFromFilesystem.GetXMLTag()))
                {
                    if (this._documentFuture != null)
                    {
                        throw new InvalidMashupFile(context, "Too many specs in " + GeneralDocumentFuture.GetXMLTag());
                    }
                    this._documentFuture = new FutureDocumentFromFilesystem(context, pathBase);
                }
                else
                {
                    if (xMLTagReader.TagIs(FutureDocumentFromUri.GetXMLTag()))
                    {
                        if (this._documentFuture != null)
                        {
                            throw new InvalidMashupFile(context, "Too many specs in " + GeneralDocumentFuture.GetXMLTag());
                        }
                        this._documentFuture = new FutureDocumentFromUri(context);
                    }
                }
            }
            if (this._documentFuture == null)
            {
                throw new InvalidMashupFile(context, "No spec in " + GeneralDocumentFuture.GetXMLTag());
            }
        }
Пример #3
0
        public FutureDocumentFromUri(MashupParseContext context)
        {
            XMLTagReader xMLTagReader = context.NewTagReader(FutureDocumentFromUri.GetXMLTag());

            this.documentUri = new Uri(context.GetRequiredAttribute(FutureDocumentFromUri.FetchedDocumentUriAttr));
            this.pageNumber  = context.GetRequiredAttributeInt(FutureDocumentFromUri.FetchedDocumentPageNumberAttr);
            xMLTagReader.SkipAllSubTags();
        }
Пример #4
0
        public override Present Realize(string refCredit)
        {
            HttpWebRequest httpWebRequest = (HttpWebRequest)WebRequest.Create(this.documentUri);

            httpWebRequest.CachePolicy = new HttpRequestCachePolicy(HttpRequestCacheLevel.Revalidate);
            D.Sayf(0, "Fetching {0}", new object[]
            {
                this.documentUri
            });
            HttpWebResponse httpWebResponse;

            try
            {
                httpWebResponse = (HttpWebResponse)httpWebRequest.GetResponse();
            }
            catch (WebException ex)
            {
                throw new Exception(string.Format("timeout waiting for url ({0})", ex.ToString()));
            }
            if (httpWebResponse.StatusCode != HttpStatusCode.OK)
            {
                throw new Exception(string.Format("HTTP {0} from web source", httpWebResponse.StatusCode.ToString()));
            }
            Stream        responseStream = httpWebResponse.GetResponseStream();
            HashAlgorithm hashAlgorithm  = new SHA1CryptoServiceProvider();
            string        text           = FileUtilities.MakeTempFilename(FutureDocumentFromUri.MakeDownloadCacheDir(), "Download");
            Stream        outputStream   = new FileStream(text, FileMode.CreateNew);
            StreamTee     streamTee      = new StreamTee(responseStream, outputStream);

            byte[] buffer = hashAlgorithm.ComputeHash(streamTee);
            streamTee.Close();
            string arg   = this.BytesToHexString(buffer);
            string text2 = Path.Combine(FutureDocumentFromUri.MakeDownloadCacheDir(), string.Format("Hash-{0}.{1}", arg, ImageTypeMapper.ByMimeType(httpWebResponse.ContentType).extension));

            if (File.Exists(text2))
            {
                File.Delete(text);
            }
            else
            {
                File.Move(text, text2);
            }
            httpWebResponse.Close();
            return(new SourceDocument(new LocalDocumentDescriptor(text2, this.pageNumber)));
        }