libxmltv/Core/XMLTVSource.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using libxmltv.Interfaces;
using System.Diagnostics;
using System.Xml.Linq;
using System.Reflection;
using System.IO;

namespace libxmltv.Core
{
    [Serializable]
    internal class XMLTVSource : XMLTVBase<XMLTVRuntimeInstance>, IXMLTVSource, IDisposable //,IDataConverter<IXMLTVSource>, ICloneable
    {
        //static private List<string> known_columns;
        //static XMLTVSource()
        //{
        //    known_columns.Add("Source Name");
        //    known_columns.Add("Generator Name");
        //    known_columns.Add("Generator Url");
        //}
       
        private Dictionary<string, string> entries = new Dictionary<string, string>();
        //internal static void CreateInstance(XMLTVRuntimeInstance xmltv)
        //{
        //    using (XMLTVSource g = new XMLTVSource(xmltv)) { g.instance.Source = (IXMLTVSource)g.Clone(); }
        //}

        //private XMLTVRuntimeInstance instance;
        //protected XMLTVSource(string sourcename, string generatorname, string generatorurl)
        //{
        //    this.SourceName = sourcename;
        //    this.GeneratorName = generatorname;
        //    this.GeneratorUrl = generatorurl;
        //}
        //public object ConvertObjectData(object source) { return this.ConvertData(source); }
        //public IXMLTVSource ConvertData(object source)
        //{
        //    if (source.GetType() != typeof(XMLTVSource)) { throw new InvalidCastException(string.Format("Cannot cast: '{0}' to '{1}'", source.GetType().Name, typeof(XMLTVSource).Name)); }
        //    //if (type != typeof(IXMLTVSource)) { throw new InvalidCastException(string.Format("Cannot cast: '{0}' to '{1}'", type.Name, typeof(IXMLTVSource).Name)); }
        //    IXMLTVSource t = (IXMLTVSource)source;            
        //    return t;
        //}
        /// <summary>
        /// 
        /// </summary>
        /// <param name="type"></param>
        /// <returns></returns>
        public object CreateBindableDataSource(out Type type)
        {
            type = typeof(IXMLTVSource);
            object bindable = new object();

            //List<PropertyValuePair> list = new List<PropertyValuePair>();
            //list.Add(new PropertyValuePair("Source Name", SourceName));
            //list.Add(new PropertyValuePair("Generator Name", GeneratorName));
            //list.Add(new PropertyValuePair("Generator Url", GeneratorUrl));
            bindable = this;
            return bindable;
        }

        public XMLTVSource()
            : base(null, XMLTVConstants.Root.RootElement) 
        {
            this.SourceName = string.Empty;
            this.GeneratorName = string.Empty;
            this.GeneratorUrl = string.Empty;
        }
        public XMLTVSource(XMLTVRuntimeInstance instance)
            : base(instance, XMLTVConstants.Root.RootElement)
        {
            try {
            xmltv_logger.Verbose.Debug.WriteLine("Creating Instance of XMLTVSource");
            Create();
            xmltv_logger.Verbose.Debug.WriteLine("Created Instance of XMLTVSource '{0}'", SourceName);
            UpdateInstance();
            }
            catch (IOException ex) { Debug.WriteLine(ex.ToString()); }
        }

        private void UpdateInstance()
        {
            bool found_field = false;
            var instance_type = this.GetInstance().GetType();
            var fields = instance_type.GetFields(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
            foreach (var field in fields)
            {
                if (field.FieldType == typeof(IXMLTVSource))
                {
                    found_field = true;
                    try
                    {
                        xmltv_logger.Verbose.Debug.WriteLine("Updating instance with source information: {0}", this.ToString());
                        field.SetValue(this.GetInstance(), this);                        
                        break;
                    }
                    catch (Exception ex)
                    {
                        xmltv_logger.Verbose.Error.WriteLine("Unable to update instance with source information.");
                        xmltv_logger.Verbose.Error.WriteLine(ex.ToString());
                    }
                }
            }
            if (!found_field)
            {
                xmltv_logger.Verbose.Error.WriteLine("Unable to update instance with source information.");
            }
        }

        #region IXMLTVSource
        //private IXMLTV_PARSER XMLTV_PARSER { get; set; }
        public string SourceName { get; private set; }
        public string GeneratorName { get; private set; }
        public string GeneratorUrl { get; private set; }
        #endregion

        private void Create()
        {
            var doc = XDocument.Parse(this.GetInstance().XmlDoc);
            Debug.Assert(doc.Root.Name == XMLTVConstants.Root.RootElement, string.Format("Expected Root Element: '{0}' but read: '{1}'", XMLTVConstants.Root.RootElement, doc.Root.Name));
            //xmltv_logger.Verbose.Debug.WriteLine("\tRoot: {0}", doc.Root.Name);
            var attributes = doc.Root.Attributes().ToList();
            foreach (var attribute in attributes)
            {
                xmltv_logger.Verbose.Debug.WriteLine("\t{0}: {1}", attribute.Name, attribute.Value);
                entries.Add(attribute.Name.ToString(), attribute.Value);
            }

            SourceName = entries[XMLTVConstants.Source.SourceName];
            GeneratorName = entries[XMLTVConstants.Source.GeneratorName];
            GeneratorUrl = entries[XMLTVConstants.Source.GeneratorUrl];

        }
        public override string ToString()
        {
            return string.Format("XmlTv Source: '{0}' (Generated by: '{1}') (support: '{2}')", SourceName, GeneratorName, GeneratorUrl);
        }

        public void Dispose()
        {
            //throw new NotImplementedException();
        }

        //public object Clone()
        //{
        //    return new XMLTVSource(this.SourceName, this.GeneratorName, this.GeneratorUrl);
        //}   
    }
}
1	william	25	using System;
2			using System.Collections.Generic;
3			using System.Linq;
4			using System.Text;
5			using libxmltv.Interfaces;
6			using System.Diagnostics;
7	william	49	using System.Xml.Linq;
8	william	73	using System.Reflection;
9	william	78	using System.IO;
10	william	25
11			namespace libxmltv.Core
12			{
13	william	31	[Serializable]
14	william	128	internal class XMLTVSource : XMLTVBase<XMLTVRuntimeInstance>, IXMLTVSource, IDisposable //,IDataConverter<IXMLTVSource>, ICloneable
15	william	25	{
16	william	121	//static private List<string> known_columns;
17			//static XMLTVSource()
18			//{
19			// known_columns.Add("Source Name");
20			// known_columns.Add("Generator Name");
21			// known_columns.Add("Generator Url");
22			//}
23	william	72
24	william	25	private Dictionary<string, string> entries = new Dictionary<string, string>();
25	william	72	//internal static void CreateInstance(XMLTVRuntimeInstance xmltv)
26			//{
27			// using (XMLTVSource g = new XMLTVSource(xmltv)) { g.instance.Source = (IXMLTVSource)g.Clone(); }
28			//}
29	william	44
30	william	72	//private XMLTVRuntimeInstance instance;
31			//protected XMLTVSource(string sourcename, string generatorname, string generatorurl)
32			//{
33			// this.SourceName = sourcename;
34			// this.GeneratorName = generatorname;
35			// this.GeneratorUrl = generatorurl;
36			//}
37	william	128	//public object ConvertObjectData(object source) { return this.ConvertData(source); }
38			//public IXMLTVSource ConvertData(object source)
39			//{
40			// if (source.GetType() != typeof(XMLTVSource)) { throw new InvalidCastException(string.Format("Cannot cast: '{0}' to '{1}'", source.GetType().Name, typeof(XMLTVSource).Name)); }
41			// //if (type != typeof(IXMLTVSource)) { throw new InvalidCastException(string.Format("Cannot cast: '{0}' to '{1}'", type.Name, typeof(IXMLTVSource).Name)); }
42			// IXMLTVSource t = (IXMLTVSource)source;
43			// return t;
44			//}
45			/// <summary>
46			///
47			/// </summary>
48			/// <param name="type"></param>
49			/// <returns></returns>
50			public object CreateBindableDataSource(out Type type)
51	william	120	{
52	william	128	type = typeof(IXMLTVSource);
53	william	121	object bindable = new object();
54
55	william	122	//List<PropertyValuePair> list = new List<PropertyValuePair>();
56			//list.Add(new PropertyValuePair("Source Name", SourceName));
57			//list.Add(new PropertyValuePair("Generator Name", GeneratorName));
58			//list.Add(new PropertyValuePair("Generator Url", GeneratorUrl));
59			bindable = this;
60	william	121	return bindable;
61	william	120	}
62
63	william	73	public XMLTVSource()
64	william	88	: base(null, XMLTVConstants.Root.RootElement)
65	william	25	{
66	william	72	this.SourceName = string.Empty;
67			this.GeneratorName = string.Empty;
68			this.GeneratorUrl = string.Empty;
69	william	44	}
70	william	88	public XMLTVSource(XMLTVRuntimeInstance instance)
71			: base(instance, XMLTVConstants.Root.RootElement)
72	william	44	{
73	william	78	try {
74	william	74	xmltv_logger.Verbose.Debug.WriteLine("Creating Instance of XMLTVSource");
75	william	25	Create();
76	william	74	xmltv_logger.Verbose.Debug.WriteLine("Created Instance of XMLTVSource '{0}'", SourceName);
77	william	73	UpdateInstance();
78	william	78	}
79			catch (IOException ex) { Debug.WriteLine(ex.ToString()); }
80	william	25	}
81	william	73
82			private void UpdateInstance()
83			{
84			bool found_field = false;
85			var instance_type = this.GetInstance().GetType();
86			var fields = instance_type.GetFields(BindingFlags.Public \| BindingFlags.NonPublic \| BindingFlags.Instance);
87			foreach (var field in fields)
88			{
89	william	77	if (field.FieldType == typeof(IXMLTVSource))
90	william	73	{
91			found_field = true;
92			try
93			{
94	william	74	xmltv_logger.Verbose.Debug.WriteLine("Updating instance with source information: {0}", this.ToString());
95	william	77	field.SetValue(this.GetInstance(), this);
96	william	73	break;
97			}
98			catch (Exception ex)
99			{
100	william	74	xmltv_logger.Verbose.Error.WriteLine("Unable to update instance with source information.");
101			xmltv_logger.Verbose.Error.WriteLine(ex.ToString());
102	william	73	}
103			}
104			}
105			if (!found_field)
106			{
107	william	74	xmltv_logger.Verbose.Error.WriteLine("Unable to update instance with source information.");
108	william	73	}
109			}
110
111	william	25	#region IXMLTVSource
112	william	36	//private IXMLTV_PARSER XMLTV_PARSER { get; set; }
113	william	44	public string SourceName { get; private set; }
114			public string GeneratorName { get; private set; }
115			public string GeneratorUrl { get; private set; }
116	william	25	#endregion
117
118			private void Create()
119			{
120	william	72	var doc = XDocument.Parse(this.GetInstance().XmlDoc);
121	william	88	Debug.Assert(doc.Root.Name == XMLTVConstants.Root.RootElement, string.Format("Expected Root Element: '{0}' but read: '{1}'", XMLTVConstants.Root.RootElement, doc.Root.Name));
122	william	55	//xmltv_logger.Verbose.Debug.WriteLine("\tRoot: {0}", doc.Root.Name);
123	william	25	var attributes = doc.Root.Attributes().ToList();
124			foreach (var attribute in attributes)
125			{
126	william	59	xmltv_logger.Verbose.Debug.WriteLine("\t{0}: {1}", attribute.Name, attribute.Value);
127	william	25	entries.Add(attribute.Name.ToString(), attribute.Value);
128			}
129	william	44
130			SourceName = entries[XMLTVConstants.Source.SourceName];
131			GeneratorName = entries[XMLTVConstants.Source.GeneratorName];
132			GeneratorUrl = entries[XMLTVConstants.Source.GeneratorUrl];
133
134	william	25	}
135			public override string ToString()
136			{
137			return string.Format("XmlTv Source: '{0}' (Generated by: '{1}') (support: '{2}')", SourceName, GeneratorName, GeneratorUrl);
138			}
139	william	44
140			public void Dispose()
141			{
142			//throw new NotImplementedException();
143			}
144
145	william	72	//public object Clone()
146			//{
147			// return new XMLTVSource(this.SourceName, this.GeneratorName, this.GeneratorUrl);
148	william	120	//}
149	william	25	}
150			}