public static XmlDocument Run(string[] processes, string Language)
        {
            StringBuilder retString = new StringBuilder();

            retString.Append(Global.XmlHeader + "<wps:ProcessDescriptions " + Global.WPSServiceVersion + " xml:lang='" + Language + "' " + Global.WPSXmlSchemas + " " + Global.WPSDescribeProcessSchema + ">");

            // On identifier is ALL, catch all the available processes
            if (processes.Length == 1 && Utils.StrICmp(processes[0], "ALL"))
            {
                ProcessDescription[] processDescriptions = GetCapabilities.getAvailableProcesses();
                foreach (ProcessDescription process in processDescriptions)
                {
                    retString.Append(process.GetProcessDescriptionDocument());
                }
            }
            else
            {
                ExceptionReport exception = null;

                // Loop through all the processes and get process description
                foreach (string processId in processes)
                {
                    try
                    {
                        retString.Append(ProcessDescription.GetProcessDescription(processId).GetProcessDescriptionDocument());
                    }
                    catch (ExceptionReport e)
                    {
                        exception = new ExceptionReport(e, exception);
                    }
                }

                if (exception != null)
                {
                    throw exception;
                }
            }

            retString.Append("</wps:ProcessDescriptions>");

            try
            {
                XmlDocument doc = new XmlDocument();
                doc.LoadXml(retString.ToString());
                HttpContext.Current.Response.StatusCode = 200;
                return(doc);
            }
            catch (XmlException ex)
            {
                throw new ExceptionReport("Unable to generate the description document. Contact the administrator." + ex.ToString());
            }
        }
        // Return the available processes (for which a dll is present and an xml description file is associated)
        public static ProcessDescription[] getAvailableProcesses()
        {
            // Search all the DLL files could contain process operations
            string[] processDLLPath;
            try
            {
                processDLLPath = Directory.GetFiles(Utils.MapPath(Global.ProcessesBinPath), "*.dll");
            }
            catch
            {
                throw new ExceptionReport("Unable to retrieve the list of assemblies containing the processes available on the server. Contact the administrator.");
            }

            // Retrieve the name of all the available processes
            List <string> processIdList = new List <string>();

            for (int i = 0; i < processDLLPath.Length; i++)
            {
                string processDllName = processDLLPath[i].Substring(processDLLPath[i].LastIndexOf("\\") + 1, processDLLPath[i].IndexOf(".dll") - processDLLPath[i].LastIndexOf("\\") - 1);
                processIdList.Add(processDllName);
            }

            List <ProcessDescription> processes = new List <ProcessDescription>();

            foreach (string processId in processIdList)
            {
                try
                {
                    processes.Add(ProcessDescription.GetProcessDescription(processId));
                }
                catch
                {
                }
            }

            return(processes.ToArray());
        }
Beispiel #3
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        public static XmlDocument RunFromHTTPPost(XmlNode requestNode, string language)
        {
            XmlNamespaceManager nsmgr       = Utils.CreateWPSNamespaceManager(requestNode.OwnerDocument);
            XmlNode             processNode = requestNode.SelectSingleNode("ows:Identifier", nsmgr);

            if (processNode == null || string.IsNullOrEmpty(processNode.InnerText))
            {
                throw new ExceptionReport(ExceptionCode.MissingParameterValue, "ows:Identifier");
            }

            string processId = processNode.InnerText;

            //List<InputData> processInputParams = null;
            //List<OutputData> processOutputParams = null;
            ProcessDescription processDescription = null;

            processDescription = ProcessDescription.GetProcessDescription(processId);
            //processInputParams = processDescription.GetProcessInputParameters();
            //processOutputParams = processDescription.GetProcessOutputParameters();

            List <InputData> inputParams = new List <InputData>();

            ExceptionReport exception = null;

            XmlNodeList inputs = requestNode.SelectNodes("wps:DataInputs/wps:Input", nsmgr);

            foreach (XmlNode node in inputs)
            {
                XmlNode nodeid = node.SelectSingleNode("ows:Identifier", nsmgr);
                if (nodeid == null)
                {
                    exception = new ExceptionReport(exception, "The parameter <ows:Identifier> is missing!",
                                                    ExceptionCode.MissingParameterValue, "ows:Identifier");
                    continue;
                }

                InputData input = processDescription.GetProcessInputParameter(nodeid.InnerText);
                if (input == null)
                {
                    exception = new ExceptionReport(exception, "The parameter " + nodeid.InnerText +
                                                    " is not a valid parameter for this execute request!",
                                                    ExceptionCode.InvalidParameterValue, nodeid.InnerText);
                    continue;
                }
                InputData myinput = input.Clone();
                try
                {
                    myinput.ParseValue(node);
                    inputParams.Add(myinput);
                }
                catch (ExceptionReport e)
                {
                    exception = new ExceptionReport(e, exception);
                }
            }

            if (exception != null)
            {
                throw exception;
            }

            ResponseFormType responseForm = new ResponseFormType("wps:ResponseForm");

            XmlNode responseFormNode = requestNode.SelectSingleNode("wps:ResponseForm", nsmgr);

            responseForm.Parse(responseFormNode, processDescription);

            return(Execute.Run(processDescription, inputParams, responseForm));
        }
Beispiel #4
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        public static XmlDocument RunFromHTTPGet(string language)
        {
            ResponseFormType responseForm = new ResponseFormType("wps:ResponseForm");
            string           processId    = Utils.GetParameter("Identifier");

            if (string.IsNullOrEmpty(processId))
            {
                throw new ExceptionReport(ExceptionCode.MissingParameterValue, "Identifier");
            }

            List <InputData>   processInputParams  = null;
            List <OutputData>  processOutputParams = null;
            ProcessDescription processDescription  = null;

            processDescription  = ProcessDescription.GetProcessDescription(processId);
            processInputParams  = processDescription.GetProcessInputParameters();
            processOutputParams = processDescription.GetProcessOutputParameters();

            List <InputData> inputParams = new List <InputData>();
            //string p = Utils.DecodeURI(Utils.GetParameter("DataInputs"));
            string p = Utils.GetParameter("DataInputs");

            ExceptionReport exception = null;

            if (!String.IsNullOrEmpty(p))
            {
                string[] tokens = p.Split(new char[] { ';' }, StringSplitOptions.RemoveEmptyEntries);
                foreach (string param in tokens)
                {
                    string[] kv = param.Split(new char[] { '=' }, 2, StringSplitOptions.RemoveEmptyEntries);
                    if (kv.Length == 2)
                    {
                        InputData input = processDescription.GetProcessInputParameter(kv[0]);
                        if (input != null)
                        {
                            InputData myinput = input.Clone();
                            try
                            {
                                myinput.ParseValue(kv[1]);
                            }
                            catch (ExceptionReport e)
                            {
                                exception = new ExceptionReport(e, exception);
                            }
                            inputParams.Add(myinput);
                        }
                        else
                        {
                            exception = new ExceptionReport(exception, "The parameter " + kv[0] +
                                                            " is not a valid parameter for this execute request!", ExceptionCode.InvalidParameterValue, kv[0]);
                        }
                    }
                }
            }

            if (exception != null)
            {
                throw exception;
            }

            //List<string> outputIds = new List<string>();

            responseForm.Parse(processDescription);

            return(Run(processDescription, inputParams, responseForm));
        }
Beispiel #5
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        public static XmlDocument Run(ProcessDescription processDescription, List <InputData> inputParams, ResponseFormType responseForm)
        {
            /* error is unreachable because check (via throwing an exception) is done before
             * if (processDescription == null)
             *  throw new ExceptionReport("The ows:Identifier tag of the process can't be found in the xml file. It must be placed under the root 'Execute' node.",
             *      ExceptionCode.MissingParameterValue);*/

            string processId = processDescription.Identifier;

            List <InputData>  processInputParams  = processDescription.GetProcessInputParameters();
            List <OutputData> processOutputParams = processDescription.GetProcessOutputParameters();

            ExceptionReport exception = null;

            ProcessInputParams args = new ProcessInputParams();

            // Get and check input parameters
            foreach (InputData processInputParam in processInputParams)
            {
                int              occurs = 0;
                bool             loop   = processInputParam.MaxOccurs > 0 || processInputParam.MaxOccurs == -1;
                List <InputData> iargs  = new List <InputData>();
                while (loop)
                {
                    loop = false;
                    foreach (InputData input in inputParams)
                    {
                        if (input.Identifier != processInputParam.Identifier)
                        {
                            continue;
                        }
                        if (!input.IsValueAllowed())
                        {
                            exception = new ExceptionReport(exception, "The parameter "
                                                            + input.Identifier + " has not a valid value!",
                                                            ExceptionCode.InvalidParameterValue, input.Identifier);
                        }
                        occurs++;
                        iargs.Add(input.Clone());
                        inputParams.Remove(input);
                        loop = true;
                        break;
                    }
                }

                if (occurs < processInputParam.MinOccurs || (occurs > processInputParam.MaxOccurs && processInputParam.MaxOccurs != -1))
                {
                    exception = new ExceptionReport(exception, "The parameter "
                                                    + processInputParam.Identifier + " has " + occurs
                                                    + " occurrences but it should have at least " + processInputParam.MinOccurs
                                                    + " and at most " + processInputParam.MaxOccurs + " occurrences.",
                                                    ExceptionCode.InvalidParameterValue, processInputParam.Identifier);
                }

                // default value for LiteralData
                if (occurs == 0 && processInputParam.asLiteralInput() != null &&
                    !String.IsNullOrEmpty(processInputParam.asLiteralInput().Default))
                {
                    iargs.Add(processInputParam);
                }

                args.parameters[processInputParam.Identifier] = iargs.ToArray();
            }

            if (exception != null)
            {
                throw exception;
            }

            ProcessReturnValue result = null;

            try
            {
                processDescription = ProcessDescription.GetProcessDescription(processId);
                if (responseForm.responseDocument != null && responseForm.responseDocument.status && responseForm.responseDocument.storeExecuteResponse)
                {
                    result = processDescription.CallProcess(args, responseForm, true);
                }
                else
                {
                    result = processDescription.CallProcess(args, responseForm, false);
                }
            }
            catch (ExceptionReport e)
            {
                if (responseForm.responseDocument != null && responseForm.responseDocument.status)
                {
                    exception = e;
                }
                else
                {
                    throw;// new ExceptionReport(e, "Error during process...", ExceptionCode.NoApplicableCode);
                }
            }

            int requestedOutputCount = result.GetOutputIdentifiers().Count;
            int returnedOutputCount  = result.returnValues.Count;

            // Problem during the process (validity check is done before launching the process)!
            if (requestedOutputCount != returnedOutputCount)
            {
                throw new ExceptionReport(String.Format("The process has generated {0} output{1} but {2} {3} requested. Contact the administrator to fix the process issue.",
                                                        returnedOutputCount, returnedOutputCount > 1 ? "s" : "",
                                                        requestedOutputCount, requestedOutputCount > 1 ? "were" : "was"),
                                          ExceptionCode.NoApplicableCode);
            }

            if (responseForm.outputDefinition != null)
            {
                OutputData data = result.returnValues[0];

                if (result.fileName == "")
                {
                    result.fileName = processId + "RawDataOuput";
                }
                HttpContext.Current.Response.Clear();
                HttpContext.Current.Response.ClearHeaders();
                HttpContext.Current.Response.StatusCode = 200;
                HttpContext.Current.Response.Buffer     = true;
                // not needed because rawdataoutput can only concern a ComplexOutput
                //string mimeType = (data is ComplexOutput) ? ((ComplexOutput)data).format.mimeType : "text/plain";
                string mimeType = data.asComplexOutput().Format.mimeType;
                HttpContext.Current.Response.ContentType = mimeType;
                string dispo = true ? "inline" : "attachment";
                HttpContext.Current.Response.AddHeader("Content-Disposition", dispo + "; filename=" + System.Uri.EscapeDataString(result.fileName));
                HttpContext.Current.Response.AddHeader("Access-Control-Allow-Origin", "*");
                byte[] content = data.ToByteArray();
                HttpContext.Current.Response.AddHeader("Content-Length", "" + content.Length);
                HttpContext.Current.Response.AddHeader("cache-control", "must-revalidate");
                HttpContext.Current.Response.OutputStream.Write(content, 0, content.Length);
                HttpContext.Current.Response.Flush();
                HttpContext.Current.ApplicationInstance.CompleteRequest();

                return(new XmlDocument());
            }
            else
            {
                s_processStartDate = DateTime.Now.ToString("yyyy_MM_dd_hh_mm_ss_ffff");
                s_processArgs      = args;

                s_responseHeader = Global.XmlHeader + "<wps:ExecuteResponse " + Global.WPSServiceVersion
                                   + " xml:lang='" + processDescription.Language + "' serviceInstance='"
                                   + HttpContext.Current.Request.Url.AbsoluteUri.Split('?')[0]
                                   + "?service=WPS&amp;Request=GetCapabilities' "
                                   + Global.WPSXmlSchemas + " " + Global.WPSExecuteSchema
                                   /** In case of storeExecuteResponse==true : append the absolute url to the stored response file */
                                   /**/ + (responseForm.responseDocument.storeExecuteResponse ? " statusLocation='"
                                           /**/ + Utils.ResolveUrl(Global.StoredResponsesPath
                                                                   /**/ + processDescription.processClass + "/response_"
                                                                   /**/ + s_processStartDate + ".xml' ") : " ")
                                   /************************************************************************************************/
                                   + ">" + Environment.NewLine
                                   + "<wps:Process wps:processVersion=\"" + processDescription.Version + "\"><ows:Identifier>" + processDescription.Identifier + "</ows:Identifier><ows:Title>"
                                   + processDescription.Title + "</ows:Title></wps:Process>"; //TODO: retiré 'wps:'

                XmlDocument xmlResponse = FormatResponseMessage(processDescription, s_processArgs, responseForm, result, exception, s_responseHeader);

                if (responseForm.responseDocument.storeExecuteResponse)
                {
                    if (!Directory.Exists(Global.StoredResponsesPath + "/" + processDescription.processClass))
                    {
                        Directory.CreateDirectory(Global.StoredResponsesPath + "/" + processDescription.processClass);
                    }

                    xmlResponse.Save(Global.StoredResponsesPath + processDescription.processClass + "/response_" + s_processStartDate + ".xml");
                }

                HttpContext.Current.Response.StatusCode = 200;
                return(xmlResponse);
            }
        }