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' ******************************************************************************
' **
' ** Yahoo Finance Managed
' ** Written by Marius Häusler 2010
' ** It would be pleasant, if you contact me when you are using this code.
' ** Contact: YahooFinanceManaged@gmail.com
' ** Project Home: http://code.google.com/p/yahoo-finance-managed/
' **
' ******************************************************************************
' **
' ** Copyright 2010 Marius Häusler
' **
' ** Licensed under the Apache License, Version 2.0 (the "License");
' ** you may not use this file except in compliance with the License.
' ** You may obtain a copy of the License at
' **
' ** http://www.apache.org/licenses/LICENSE-2.0
' **
' ** Unless required by applicable law or agreed to in writing, software
' ** distributed under the License is distributed on an "AS IS" BASIS,
' ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
' ** See the License for the specific language governing permissions and
' ** limitations under the License.
' **
' ******************************************************************************
Namespace RSS.ImportExport
Public Class XML
Private mHelper As New MyHelper
Public Function ToFeed(ByVal channel As XmlNode) As Feed
If channel.Name.ToLower = "channel" Then
Dim feed As New Feed
For Each prpNode As XmlNode In channel.ChildNodes
Try
Select Case prpNode.Name.ToLower
Case "category"
feed.Category = New Category
feed.Category.Name = prpNode.InnerText
If prpNode.Attributes.Count = 1 Then feed.Category.Domain = New Uri(prpNode.Item("domain").InnerText)
Case "cloud"
feed.Cloud = New Cloud
For Each att As XmlAttribute In prpNode.Attributes
Select Case att.Name.ToLower
Case "domain" : feed.Cloud.Domain = att.InnerText
Case "path" : feed.Cloud.Path = att.InnerText
Case "registerprocedure" : feed.Cloud.RegisterProcedure = att.InnerText
Case "protocol" : feed.Cloud.Protocol = att.InnerText
Case "port" : Integer.TryParse(att.InnerText, feed.Cloud.Port)
End Select
Next
Case "copyright" : feed.Copyright = prpNode.InnerText
Case "description" : feed.Description = prpNode.InnerText
Case "docs" : feed.Documentation = New Uri(prpNode.InnerText)
Case "generator" : feed.Generator = prpNode.InnerText
Case "link" : feed.Link = New Uri(prpNode.InnerText)
Case "language" : feed.Language = New Globalization.CultureInfo(prpNode.InnerText)
Case "lastbuilddate" : feed.LastBuildDate = Me.RFC822DateFromString(prpNode.InnerText)
Case "managingeditor" : feed.ManagingEditor = prpNode.InnerText
Case "name" : feed.Name = prpNode.InnerText
Case "image"
feed.Image = New Image
For Each nodeChild As XmlNode In prpNode.ChildNodes
Select Case nodeChild.Name.ToLower
Case "url" : feed.Image.URL = nodeChild.InnerText
Case "link" : feed.Image.Link = nodeChild.InnerText
Case "title" : feed.Image.Title = nodeChild.InnerText
Case "description" : feed.Image.Description = nodeChild.InnerText
Case "width" : Integer.TryParse(nodeChild.InnerText, feed.Image.Width)
Case "height" : Integer.TryParse(nodeChild.InnerText, feed.Image.Height)
End Select
Next
Case "item"
Dim rssItem As FeedItem = Me.ToFeedItem(prpNode)
If rssItem IsNot Nothing Then feed.Items.Add(rssItem)
Case "pubdate" : feed.PublishDate = Me.RFC822DateFromString(prpNode.InnerText)
Case "rating" : feed.Rating = prpNode.InnerText
Case "skiphours"
Dim lst As New List(Of Integer)
For Each nodeChild As XmlNode In prpNode.ChildNodes
If nodeChild.Name.ToLower = "hour" Then
Dim int As Integer
If Integer.TryParse(nodeChild.InnerText, int) Then lst.Add(int)
End If
Next
feed.Skiphours = lst.ToArray
Case "skipdays"
Dim lst As New List(Of DayOfWeek)
For Each nodeChild As XmlNode In prpNode.ChildNodes
If nodeChild.Name.ToLower = "day" Then
For i As Integer = 0 To DayOfWeek.Saturday
If DirectCast(i, DayOfWeek).ToString.ToUpper = nodeChild.InnerText.ToUpper Then
lst.Add(DirectCast(i, DayOfWeek))
Exit For
End If
Next
End If
Next
feed.Skipdays = lst.ToArray
Case "textinput"
feed.TextInput = New TextInputBox
For Each nodeChild As XmlNode In prpNode.ChildNodes
Select Case nodeChild.Name.ToLower
Case "name" : feed.TextInput.Name = nodeChild.InnerText
Case "link" : feed.TextInput.Link = nodeChild.InnerText
Case "title" : feed.TextInput.Title = nodeChild.InnerText
Case "description" : feed.TextInput.Description = nodeChild.InnerText
End Select
Next
Case "title" : feed.Title = prpNode.InnerText
Case "ttl" : feed.Ttl = Convert.ToInt32(prpNode.InnerText)
Case "webmaster" : feed.Webmaster = prpNode.InnerText
Case Else
'Debug.WriteLine(node.Name)
End Select
Catch ex As Exception
End Try
Next
Return feed
Else
Return Nothing
End If
End Function
Friend Function ToFeedItem(ByVal item As XmlNode) As FeedItem
If item.Name = "item" Then
Dim rssItem As New FeedItem()
For Each itemNode As XmlNode In item.ChildNodes
Try
Select Case itemNode.Name.ToLower
Case "title" : rssItem.Title = itemNode.InnerText
Case "link" : rssItem.Link = itemNode.InnerText
Case "description" : rssItem.Description = itemNode.InnerText
Case "author" : rssItem.Author = itemNode.InnerText
Case "category"
rssItem.Category = New Category
rssItem.Category.Name = itemNode.InnerText
If itemNode.Attributes.Count = 1 Then rssItem.Category.Domain = New Uri(itemNode.Attributes("domain").InnerText)
Case "comments" : rssItem.Comments = New Uri(itemNode.InnerText)
Case "enclosure"
rssItem.Enclosure = New Enclosure
rssItem.Enclosure.Url = New Uri(itemNode.Item("url").InnerText)
Long.TryParse(itemNode.Item("length").InnerText, rssItem.Enclosure.Length)
rssItem.Enclosure.Type = itemNode.Item("type").InnerText
Case "guid"
rssItem.GUID = New GUID
rssItem.GUID.ID = itemNode.InnerText
If itemNode.Attributes.Count = 1 Then rssItem.GUID.IsPermaLink = CBool(itemNode.Attributes("isPermaLink").InnerText)
Case "pubdate" : rssItem.PubDate = Me.RFC822DateFromString(itemNode.InnerText)
Case "insertdate" : rssItem.InsertDate = Me.RFC822DateFromString(item.InnerText)
Case "source"
rssItem.Source = New Source
rssItem.Source.Title = itemNode.InnerText
rssItem.Source.Url = New Uri(itemNode.Item("url").InnerText)
Case Else
'Debug.WriteLine(itemNode.Name)
End Select
Catch ex As Exception
End Try
Next
Return rssItem
End If
Return Nothing
End Function
Private Function RFC822DateFromString(ByVal d As String) As System.DateTime
Dim result As System.DateTime
If d <> String.Empty Then
Dim spacePos As Integer = d.LastIndexOf(" ")
Dim timezone As String = d.Substring(spacePos + 1)
If Date.TryParse(d, result) Then
If timezone = "Z" Or timezone = "GMT" Then result = result.ToUniversalTime()
Return result
Else
result = Convert.ToDateTime(d.Substring(0, spacePos))
If d(spacePos + 1) = "+"c Then
result = result.AddHours(-1 * Convert.ToInt32(d.Substring(spacePos + 2, 2)))
result = result.AddMinutes(-1 * Convert.ToInt32(d.Substring(spacePos + 4, 2)))
ElseIf d(spacePos + 1) = "-"c Then
Dim h As Integer = Convert.ToInt32(d.Substring(spacePos + 2, 2))
result = result.AddHours(h)
Dim m As Integer = Convert.ToInt32(d.Substring(spacePos + 4, 2))
result = result.AddMinutes(m)
Else
Select Case timezone
Case "A" : result = result.AddHours(1)
Case "B" : result = result.AddHours(2)
Case "C" : result = result.AddHours(3)
Case "D" : result = result.AddHours(4)
Case "EDT" : result = result.AddHours(4)
Case "E" : result = result.AddHours(5)
Case "EST" : result = result.AddHours(5)
Case "CDT" : result = result.AddHours(5)
Case "F" : result = result.AddHours(6)
Case "CST" : result = result.AddHours(6)
Case "MDT" : result = result.AddHours(6)
Case "G" : result = result.AddHours(7)
Case "MST" : result = result.AddHours(7)
Case "PDT" : result = result.AddHours(7)
Case "H" : result = result.AddHours(8)
Case "PST" : result = result.AddHours(8)
Case "I" : result = result.AddHours(9)
Case "K" : result = result.AddHours(10)
Case "L" : result = result.AddHours(11)
Case "M" : result = result.AddHours(12)
Case "N" : result = result.AddHours(-1)
Case "O" : result = result.AddHours(-2)
Case "P" : result = result.AddHours(-3)
Case "Q" : result = result.AddHours(-4)
Case "R" : result = result.AddHours(-5)
Case "S" : result = result.AddHours(-6)
Case "T" : result = result.AddHours(-7)
Case "U" : result = result.AddHours(-8)
Case "V" : result = result.AddHours(-9)
Case "W" : result = result.AddHours(-10)
Case "X" : result = result.AddHours(-11)
Case "Y" : result = result.AddHours(-12)
End Select
End If
End If
End If
Return result
End Function
End Class
End Namespace
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