/[xmltv_parser]/trunk/libxmltv/Core/XMLTVChannel.cs
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Annotation of /trunk/libxmltv/Core/XMLTVChannel.cs

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Revision 97 - (hide annotations) (download)
Sun Mar 10 09:43:49 2013 UTC (7 years, 8 months ago) by william
File size: 4519 byte(s)

1 william 73 using System;
2     using System.Collections.Generic;
3     using System.Linq;
4     using System.Text;
5     using libxmltv.Interfaces;
6     using System.Xml.Linq;
7 william 74 using System.Reflection;
8 william 78 using System.IO;
9     using System.Diagnostics;
10 william 73
11     namespace libxmltv.Core
12     {
13     [Serializable]
14 william 74 internal class XMLTVChannel : XMLTVBase<XMLTVRuntimeInstance>, IXMLTVChannel
15 william 73 {
16 william 83 public XMLTVChannel()
17 william 88 : base(null, XMLTVConstants.Channels.RootElement)
18 william 73 {
19 william 97 InternalDictionaryAddKnownProperties();
20 william 73 Id = string.Empty;
21 william 97 //Number = 0;
22     //CallSign = string.Empty;
23     //Name = string.Empty;
24 william 73 }
25 william 74 public XMLTVChannel(XMLTVRuntimeInstance instance, XElement node)
26 william 88 : base(instance, XMLTVConstants.Channels.RootElement)
27 william 73 {
28 william 97 InternalDictionaryAddKnownProperties();
29 william 78 try
30     {
31     xmltv_logger.Verbose.Debug.WriteLine("Creating Instance of XMLTVChannel");
32     Create(node);
33     xmltv_logger.Verbose.Debug.WriteLine("Created Instance of XMLTVChannel");
34     UpdateInstance();
35     }
36     catch (IOException ex) { Debug.WriteLine(ex.ToString()); }
37 william 73 }
38 william 97 private void InternalDictionaryAddKnownProperties()
39     {
40     MetaData = new PropertyList();
41     //MetaData.AddProperty("Id", string.Empty);
42     }
43 william 73 #region IXMLTVChannel members
44     public string Id { get; private set; }
45 william 97 //public int Number { get; private set; }
46     //public string CallSign { get; private set; }
47     //public string Name { get; private set; }
48     private PropertyList _MetaData;
49     public PropertyList MetaData { get { return _MetaData; } private set { _MetaData = value; } }
50 william 73 #endregion
51     public override string ToString()
52     {
53 william 97 return string.Format("{0}", Id);
54 william 73 }
55 william 74
56     private void UpdateInstance()
57     {
58     bool found_field = false;
59     var instance_type = this.GetInstance().GetType();
60     var fields = instance_type.GetFields(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
61     foreach (var field in fields)
62     {
63     if (field.FieldType == typeof(List<IXMLTVChannel>))
64     {
65     found_field = true;
66     try
67 william 83 {
68 william 74 var list = (List<IXMLTVChannel>)field.GetValue(this.GetInstance());
69     list.Add(this);
70 william 77 xmltv_logger.Verbose.Debug.WriteLine("Updating instance with channel information: {0}", this.ToString());
71 william 74 field.SetValue(this.GetInstance(), list);
72     break;
73     }
74     catch (Exception ex)
75     {
76     xmltv_logger.Verbose.Error.WriteLine("Unable to update instance with channel information.");
77     xmltv_logger.Verbose.Error.WriteLine(ex.ToString());
78     }
79     }
80     }
81     if (!found_field)
82     {
83     xmltv_logger.Verbose.Error.WriteLine("Unable to update instance with channel information.");
84     }
85     }
86 william 75
87     private void Create(XElement node)
88 william 83 {
89 william 97 //throw new NotImplementedException("Channel.Create(node) is not currently implemented.");
90 william 83 // get the channel id
91     Id = node.Attribute(XMLTVConstants.Channels.ChannelId).Value;
92     xmltv_logger.Verbose.Debug.WriteLine("\tchannel_id: {0}", Id);
93     var names = node.Descendants(XMLTVConstants.Channels.ChannelDisplayName).ToList();
94 william 97 //Number = Convert.ToInt32(names[1].Value);
95     //xmltv_logger.Verbose.Debug.WriteLine("\tchannel_number: {0}", Number);
96     //CallSign = names[2].Value;
97     //xmltv_logger.Verbose.Debug.WriteLine("\tchannel_callsign: {0}", CallSign);
98     //Name = names[3].Value;
99     //xmltv_logger.Verbose.Debug.WriteLine("\tchannel_name: {0}", Name);
100    
101     foreach (var name in names)
102     {
103     PropertyValuePair p = new PropertyValuePair(name.Name.ToString(), name.Value);
104     MetaData.AddProperty(p.Name,p.Value);
105     xmltv_logger.Verbose.Debug.WriteLine("\t{0}: {1}", p.Name, p.Value);
106     }
107    
108 william 75 }
109 william 73 }
110    
111     }

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