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using System; |
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using System.Collections.Generic; |
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using System.Linq; |
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using System.Text; |
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using libxmltv.Interfaces; |
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using System.Xml.Linq; |
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using System.Reflection; |
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using System.IO; |
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using System.Diagnostics; |
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using System.Globalization; |
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|
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namespace libxmltv.Core |
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{ |
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[Serializable] |
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internal class XMLTVProgram : XMLTVBase<XMLTVRuntimeInstance>, IXMLTVProgram |
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{ |
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public XMLTVProgram() |
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: base(null, XMLTVConstants.Programs.RootElement) |
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{ |
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InternalDictionaryAddKnownProperties(); |
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|
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} |
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public XMLTVProgram(XMLTVRuntimeInstance instance, XElement node) |
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: base(instance, XMLTVConstants.Programs.RootElement) |
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{ |
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InternalDictionaryAddKnownProperties(); |
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try { |
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xmltv_logger.Verbose.Debug.WriteLine("Creating Instance of XMLTVProgram"); |
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Create(node); |
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xmltv_logger.Verbose.Debug.WriteLine("Created Instance of XMLTVProgram"); |
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UpdateInstance(); |
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} |
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catch (IOException ex) { Debug.WriteLine(ex.ToString()); } |
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} |
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#region IXMLTVProgram members |
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//public int Id { get; set; } |
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//public DateTime Start { get; set; } |
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//public DateTime Stop { get; set; } |
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//public IXMLTVChannel Channel { get; set; } |
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//public string Title { get; set; } |
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//public string SubTitle { get; set; } |
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//public string Description { get; set; } |
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|
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private void InternalDictionaryAddKnownProperties() |
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{ |
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MetaData = new PropertyDictionary(); |
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MetaData.AddProperty("Id", 0); |
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MetaData.AddProperty(XMLTVConstants.Programs.ProgramStart, new DateTime()); |
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MetaData.AddProperty(XMLTVConstants.Programs.ProgramStop, new DateTime()); |
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MetaData.AddProperty(XMLTVConstants.Programs.ProgramChannelId, string.Empty); |
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MetaData.AddProperty(XMLTVConstants.Programs.ProgramTitle, string.Empty); |
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MetaData.AddProperty(XMLTVConstants.Programs.ProgramSubTitle, string.Empty); |
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MetaData.AddProperty(XMLTVConstants.Programs.ProgramDescription, string.Empty); |
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} |
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|
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#region Property Dictionary Support |
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public PropertyDictionary MetaData { get; private set; } |
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#endregion |
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|
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#endregion |
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public override string ToString() |
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{ |
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return string.Format("{0}: {1} - {2} ({3}) ['{4}' <==> '{5}']", |
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MetaData["Id"].ToString(), |
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MetaData[(XMLTVConstants.Programs.ProgramTitle)].ToString(), |
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MetaData[(XMLTVConstants.Programs.ProgramSubTitle)].ToString(), |
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MetaData[(XMLTVConstants.Programs.ProgramChannelId)].ToString(), |
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((DateTime)MetaData[XMLTVConstants.Programs.ProgramStart]).ToString("yyyy/MM/dd hh:mm tt"), |
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((DateTime)MetaData[XMLTVConstants.Programs.ProgramStop]).ToString("yyyy/MM/dd hh:mm tt")); |
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} |
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|
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|
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|
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|
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private void UpdateInstance() |
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{ |
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bool found_field = false; |
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var instance_type = this.GetInstance().GetType(); |
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var fields = instance_type.GetFields(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance); |
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foreach (var field in fields) |
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{ |
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if (field.FieldType == typeof(List<IXMLTVProgram>)) |
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{ |
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found_field = true; |
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try |
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{ |
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|
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var list = (List<IXMLTVProgram>)field.GetValue(this.GetInstance()); |
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MetaData["Id"] = list.Count + 1; |
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list.Add(this); |
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xmltv_logger.Verbose.Debug.WriteLine("Updating instance with program information: {0}", this.ToString()); |
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field.SetValue(this.GetInstance(), list); |
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break; |
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} |
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catch (Exception ex) |
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{ |
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xmltv_logger.Verbose.Error.WriteLine("Unable to update instance with program information."); |
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xmltv_logger.Verbose.Error.WriteLine(ex.ToString()); |
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} |
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} |
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} |
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if (!found_field) |
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{ |
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xmltv_logger.Verbose.Error.WriteLine("Unable to update instance with program information."); |
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} |
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} |
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|
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private void Create(XElement node) |
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{ |
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var nodes = node.DescendantsAndSelf().ToList(); |
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foreach (var sub_node in nodes) |
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{ |
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if (this.GetInstance().IsAborting) |
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{ |
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break; |
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} |
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CreateHandlerForProgramMetaDataNode(sub_node); |
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} |
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} |
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private static DateTime ParseDate(string timeStamp) |
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{ |
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DateTime dt = new DateTime(); |
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try |
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{ |
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dt = DateTime.ParseExact(timeStamp, "yyyyMMddHHmmss zzzz", System.Globalization.CultureInfo.CurrentCulture); |
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} |
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catch (Exception ex) { throw ex; } |
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return dt; |
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} |
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|
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private void CreateHandlerForProgramMetaDataNode(XElement node) |
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{ |
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|
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Type t = this.GetType(); |
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Assembly asm = t.Assembly; |
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var types = asm.GetTypes(); |
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var classes = types.ToList().FindAll( |
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m => |
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m.DeclaringType == t && |
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m.IsClass && |
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!m.IsSealed |
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); |
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classes.TrimExcess(); |
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|
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object raw_instance = null; |
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BindingFlags flags = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance; |
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CultureInfo culture = CultureInfo.CurrentCulture; |
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Type handler_type = null; |
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foreach (var type in classes) |
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{ |
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if (type.BaseType != null && type.BaseType == typeof(XMLTVBase<XMLTVProgram>)) |
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{ |
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var iface = type.GetInterface("IXMLTVHandler", true); |
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if (iface != null) |
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{ |
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var handler_prop = type.GetProperty("Handler"); |
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if (handler_prop != null) |
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{ |
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var ctors = type.GetConstructors(flags); |
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bool has_default_ctor = false; |
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foreach (var ctor in ctors) { if (ctor.GetParameters().Count() == 0) { has_default_ctor = true; } } |
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if (!has_default_ctor) { continue; } |
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raw_instance = Activator.CreateInstance(type, flags, null, new object[0], culture); |
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if (raw_instance != null) |
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{ |
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object handler_value = handler_prop.GetValue(raw_instance, null); |
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if (handler_value != null && handler_value.ToString() == node.Name.ToString()) |
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{ |
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handler_type = type; |
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break; |
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} |
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} |
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} |
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} |
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} |
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} |
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if (handler_type == null) |
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{ |
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StringBuilder node_builder = new StringBuilder(); |
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node_builder.AppendFormat("<{0} ", node.Name); |
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if (node.HasAttributes) { foreach (var attribute in node.Attributes()) { node_builder.AppendFormat("{0}=\"{1}\" ", attribute.Name, attribute.Value); } } |
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string node_text = string.Format("{0}>", node_builder.ToString().TrimEnd(new char[] { ' ' })); |
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xmltv_logger.Verbose.Warn.WriteLine("Ignoring unhandled extra meta-data: {0}", node_text); |
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} |
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else |
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{ |
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raw_instance = Activator.CreateInstance(handler_type, flags, null, new object[] { this, node }, culture); |
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} |
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} |
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|
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|
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|
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#region sub-classes |
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#region program title |
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private class title : XMLTVBase<XMLTVProgram> |
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{ |
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public title() : base(null, XMLTVConstants.Programs.ProgramTitle) { } |
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public title(XMLTVProgram instance, XElement node) |
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: base(instance, XMLTVConstants.Programs.ProgramTitle) |
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{ |
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if(node == null){throw new NullReferenceException("The node instance was null");} |
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if (node.Value != null) |
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{ |
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instance.MetaData.AddProperty(XMLTVConstants.Programs.ProgramTitle, node.Value); |
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xmltv_logger.Verbose.Debug.WriteLine("\tprogram_title: {0}", node.Value); |
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} |
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} |
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} |
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#endregion |
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#region program stop/start/channel (programme) |
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private class programme : XMLTVBase<XMLTVProgram> |
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{ |
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public programme() : base(null, XMLTVConstants.Programs.RootElement) { } |
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public programme(XMLTVProgram instance, XElement node) |
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: base(instance, XMLTVConstants.Programs.RootElement) |
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{ |
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if (node == null) { throw new NullReferenceException("The node instance was null"); } |
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if (node.HasAttributes) |
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{ |
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var start = node.Attribute(XMLTVConstants.Programs.ProgramStart); |
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var t_start = start == null ? new DateTime() : ParseDate(start.Value); |
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if (!t_start.Equals(new DateTime())) { xmltv_logger.Verbose.Debug.WriteLine("\tprogram_start: {0}", start); } |
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instance.MetaData.AddProperty(XMLTVConstants.Programs.ProgramStart, t_start); |
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|
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var stop = node.Attribute(XMLTVConstants.Programs.ProgramStop); |
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var t_stop = stop == null ? new DateTime() : ParseDate(stop.Value); |
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if (!t_stop.Equals(new DateTime())) { xmltv_logger.Verbose.Debug.WriteLine("\tprogram_stop: {0}", stop); } |
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instance.MetaData.AddProperty(XMLTVConstants.Programs.ProgramStop, t_stop); |
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|
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var channelid = node.Attribute(XMLTVConstants.Programs.ProgramChannelId); |
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if (channelid != null) |
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{ |
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if (!string.IsNullOrEmpty(channelid.Value)) { xmltv_logger.Verbose.Debug.WriteLine("\tprogram_channelid: {0}", channelid.Value); } |
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instance.MetaData.AddProperty(XMLTVConstants.Programs.ProgramChannelId, channelid.Value); |
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} |
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|
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} |
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} |
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} |
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#endregion |
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|
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#region sub title |
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private class subtitle : XMLTVBase<XMLTVProgram> |
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{ |
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public subtitle() : base(null, XMLTVConstants.Programs.ProgramSubTitle) { } |
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public subtitle(XMLTVProgram instance, XElement node) |
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: base(instance, XMLTVConstants.Programs.ProgramSubTitle) |
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{ |
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if (node == null) { throw new NullReferenceException("The node instance was null"); } |
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if (node.Value != null) |
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{ |
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instance.MetaData.AddProperty(XMLTVConstants.Programs.ProgramSubTitle, node.Value); |
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xmltv_logger.Verbose.Debug.WriteLine("\tprogram_subtitle: {0}", node.Value); |
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} |
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} |
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} |
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#endregion |
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#region sub title |
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private class description : XMLTVBase<XMLTVProgram> |
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{ |
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public description() : base(null, XMLTVConstants.Programs.ProgramDescription) { } |
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public description(XMLTVProgram instance, XElement node) |
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: base(instance, XMLTVConstants.Programs.ProgramDescription) |
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{ |
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if (node == null) { throw new NullReferenceException("The node instance was null"); } |
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if (node.Value != null) |
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{ |
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instance.MetaData.AddProperty(XMLTVConstants.Programs.ProgramDescription, node.Value); |
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xmltv_logger.Verbose.Debug.WriteLine("\tprogram_description: {0}", node.Value); |
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} |
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} |
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} |
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#endregion |
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#endregion |
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} |
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} |