| Imports System.IO | |
| Imports System.Net | |
| Imports System.Net.Http | |
| Imports System.Text | |
| Imports System.Threading | |
| Imports HtmlAgilityPack | |
| Imports System.IO.Compression | |
| Public Class FOSSEEFlowsheet | |
| Public Property Address As String = "" | |
| Public Property ProposerName As String = "" | |
| Public Property Title As String = "" | |
| Public Property Institution As String = "" | |
| Public Property DWSIMVersion As String = "" | |
| Public Property Reference As String = "" | |
| Public Property DownloadLink As String = "" | |
| Public Property DisplayName As String = "" | |
| End Class | |
| Public Class FOSSEEFlowsheets | |
| Public Shared Function GetFOSSEEFlowsheets() As List(Of FOSSEEFlowsheet) | |
| Dim website As String = "http://dwsim.fossee.in/flowsheeting-project/completed-flowsheet" | |
| Dim siteUri As Uri = New Uri(website) | |
| Dim proxyUri As Uri = Net.WebRequest.GetSystemWebProxy.GetProxy(siteUri) | |
| Dim handler As New HttpClientHandler() | |
| Try | |
| If Not siteUri.AbsolutePath = proxyUri.AbsolutePath Then | |
| Dim proxyObj As New WebProxy(proxyUri) | |
| proxyObj.Credentials = CredentialCache.DefaultCredentials | |
| handler.Proxy = proxyObj | |
| End If | |
| Catch ex As Exception | |
| End Try | |
| Dim http As New HttpClient(handler) | |
| Dim response = http.GetByteArrayAsync(website) | |
| response.Wait() | |
| Dim enc = Encoding.GetEncoding("utf-8") | |
| Dim source As [String] = enc.GetString(response.Result, 0, response.Result.Length - 1) | |
| source = WebUtility.HtmlDecode(source) | |
| Dim htmlpage As New HtmlDocument() | |
| htmlpage.LoadHtml(source) | |
| Dim tbody = htmlpage.DocumentNode.Descendants("tbody").FirstOrDefault | |
| If tbody Is Nothing Then Return New List(Of FOSSEEFlowsheet) | |
| Dim rows = tbody.Descendants("tr").ToList | |
| Dim list As New List(Of FOSSEEFlowsheet) | |
| Dim i As Integer = 1 | |
| For Each r In rows | |
| Dim fs As New FOSSEEFlowsheet | |
| fs.Address = "http://dwsim.fossee.in" & r.ChildNodes(1).ChildNodes(0).Attributes(0).Value | |
| With fs | |
| .Institution = r.ChildNodes(3).ChildNodes(0).InnerText | |
| .ProposerName = r.ChildNodes(2).ChildNodes(0).InnerText | |
| .Title = r.ChildNodes(1).ChildNodes(0).InnerText | |
| .DownloadLink = fs.Address.Replace("dwsim-flowsheet-run", "full-download/project") | |
| .DisplayName = i.ToString("000") + ". " + .Title | |
| End With | |
| list.Add(fs) | |
| i += 1 | |
| Next | |
| Return list.Where(Function(x) Not x.ProposerName.Contains("Daniel Wagner") And Not x.ProposerName.Contains("Daniel Wagner")).ToList | |
| End Function | |
| Public Shared Function GetFOSSEEFlowsheetInfo(address As String) As FOSSEEFlowsheet | |
| Dim website As String = "http://dwsim.fossee.in/flowsheeting-project/completed-flowsheet" | |
| Dim siteUri As Uri = New Uri(website) | |
| Dim proxyUri As Uri = Net.WebRequest.GetSystemWebProxy.GetProxy(siteUri) | |
| Dim fs As New FOSSEEFlowsheet | |
| fs.Address = address | |
| Dim handler2 As New HttpClientHandler() | |
| Try | |
| If Not siteUri.AbsolutePath = proxyUri.AbsolutePath Then | |
| Dim proxyObj2 As New WebProxy(proxyUri) | |
| proxyObj2.Credentials = CredentialCache.DefaultCredentials | |
| handler2.Proxy = proxyObj2 | |
| End If | |
| Catch ex As Exception | |
| End Try | |
| Dim http2 As New HttpClient(handler2) | |
| Dim response2 = http2.GetByteArrayAsync(fs.Address) | |
| response2.Wait() | |
| Dim source2 As [String] = Encoding.GetEncoding("utf-8").GetString(response2.Result, 0, response2.Result.Length - 1) | |
| source2 = WebUtility.HtmlDecode(source2) | |
| Dim htmlpage2 As New HtmlDocument() | |
| htmlpage2.LoadHtml(source2) | |
| Dim details = htmlpage2.DocumentNode.Descendants("div").Where(Function(x) x.Attributes.Contains("id") AndAlso x.Attributes("id").Value = "ajax_flowsheet_details").FirstOrDefault.ChildNodes.Descendants("li").ToList | |
| With fs | |
| .DownloadLink = "http://dwsim.fossee.in" & htmlpage2.DocumentNode.Descendants("a").Where(Function(x) x.InnerText = "Download Flowsheet").SingleOrDefault.Attributes("href").Value | |
| .DWSIMVersion = details(3).InnerText.Split(":")(1).Trim() | |
| .Institution = details(2).InnerText.Split(":")(1).Trim() | |
| .ProposerName = details(0).InnerText.Split(":")(1).Trim() | |
| .Reference = details(4).InnerText.Remove(0, 11) | |
| .Title = details(1).InnerText.Split(":")(1).Trim() | |
| End With | |
| Return fs | |
| End Function | |
| Public Shared Function LoadFlowsheet(fpath As String) As XDocument | |
| Dim fpath2 = Path.Combine(Path.GetTempPath(), "FOSSEE_DWSIM_TEMP") | |
| Directory.CreateDirectory(fpath2) | |
| Dim simname As String = "" | |
| Dim pdffiledir = GlobalSettings.Settings.GetConfigFileDir() + "FOSSEE" | |
| If Not Directory.Exists(pdffiledir) Then Directory.CreateDirectory(pdffiledir) | |
| Dim abstractfile As String = "" | |
| Dim abstractfile0 As String = "" | |
| ZipFile.ExtractToDirectory(fpath, fpath2) | |
| Dim subdirs = Directory.GetDirectories(fpath2) | |
| Dim rootdir = fpath2 | |
| If subdirs.Count > 0 Then rootdir = subdirs(0) | |
| For Each file In Directory.GetFiles(rootdir) | |
| If Path.GetExtension(file).ToLower = ".dwxmz" Or Path.GetExtension(file).ToLower = ".dwxml" Then | |
| simname = file | |
| ElseIf Path.GetExtension(file).ToLower = ".pdf" Then | |
| abstractfile0 = file | |
| End If | |
| Next | |
| Dim xdoc As XDocument = Nothing | |
| If Path.GetExtension(simname).ToLower = ".dwxmz" Then | |
| xdoc = LoadZippedXML(simname) | |
| Else | |
| xdoc = XDocument.Load(simname) | |
| End If | |
| If abstractfile0 <> "" Then | |
| Try | |
| File.Copy(abstractfile0, Path.Combine(pdffiledir, Path.GetFileName(abstractfile0)), True) | |
| abstractfile = Path.Combine(pdffiledir, Path.GetFileName(abstractfile0)) | |
| Catch ex As Exception | |
| Console.WriteLine("Error copying " & abstractfile0 & ": " & ex.ToString) | |
| End Try | |
| End If | |
| Try | |
| File.Delete(fpath) | |
| Catch ex As Exception | |
| Console.WriteLine("Error deleting " & fpath & ": " & ex.ToString) | |
| End Try | |
| Try | |
| Directory.Delete(fpath2, True) | |
| Catch ex As Exception | |
| Console.WriteLine("Error deleting " & fpath2 & ": " & ex.ToString) | |
| End Try | |
| If abstractfile <> "" Then | |
| Task.Factory.StartNew(Sub() | |
| Dim p = Process.Start(abstractfile) | |
| p?.WaitForExit() | |
| If MessageBox.Show(String.Format("Delete Abstract File '{0}'?", abstractfile), "Delete Abstract File", MessageBoxButtons.YesNo, MessageBoxIcon.Question) = DialogResult.Yes Then | |
| Try | |
| File.Delete(abstractfile) | |
| MessageBox.Show("Abstract File deleted successfully.", "DWSIM") | |
| Catch ex As Exception | |
| MessageBox.Show(ex.Message, "Error deleting Abstract File") | |
| End Try | |
| End If | |
| End Sub) | |
| End If | |
| Return xdoc | |
| End Function | |
| Public Shared Function DownloadFlowsheet(address As String, pa As Action(Of Integer)) As String | |
| Dim wc As New WebClient() | |
| Dim siteUri As Uri = New Uri(address) | |
| Dim proxyUri As Uri = Net.WebRequest.GetSystemWebProxy.GetProxy(siteUri) | |
| Try | |
| If Not siteUri.AbsolutePath = proxyUri.AbsolutePath Then | |
| Dim proxyObj As New WebProxy(proxyUri) | |
| proxyObj.Credentials = CredentialCache.DefaultCredentials | |
| wc.Proxy = proxyObj | |
| End If | |
| Catch ex As Exception | |
| End Try | |
| Dim fpath = Utility.GetTempFileName() | |
| AddHandler wc.DownloadProgressChanged, Sub(sender, e) | |
| If pa IsNot Nothing Then pa.Invoke(e.ProgressPercentage) | |
| End Sub | |
| Dim t = wc.DownloadFileTaskAsync(New Uri(address), fpath) | |
| While Not t.IsCompleted | |
| Thread.Sleep(100) | |
| End While | |
| Return fpath | |
| End Function | |
| Private Shared Function LoadZippedXML(pathtofile As String) As XDocument | |
| Dim pathtosave As String = Path.Combine(Path.GetTempPath(), "FOSSEE_DWSIM_TEMP_EXTRACT") | |
| Directory.CreateDirectory(pathtosave) | |
| Dim fullname As String = "" | |
| ZipFile.ExtractToDirectory(pathtofile, pathtosave) | |
| For Each file In Directory.GetFiles(pathtosave) | |
| If Path.GetExtension(file).ToLower = ".xml" Or Path.GetExtension(file).ToLower = ".dwxml" Then | |
| fullname = file | |
| End If | |
| Next | |
| Dim xdoc = XDocument.Load(fullname) | |
| Try | |
| File.Delete(fullname) | |
| Catch ex As Exception | |
| End Try | |
| Try | |
| Directory.Delete(pathtosave) | |
| Catch ex As Exception | |
| End Try | |
| Return xdoc | |
| End Function | |
| End Class | |