/[xmltv_parser]/trunk/libxmltv/Core/XMLTV.cs
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Diff of /trunk/libxmltv/Core/XMLTV.cs

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revision 51 by william, Fri Mar 8 06:39:56 2013 UTC revision 52 by william, Fri Mar 8 07:01:37 2013 UTC
# Line 5  using System.Text; Line 5  using System.Text;
5  using libxmltv.Interfaces;  using libxmltv.Interfaces;
6  using System.ComponentModel;  using System.ComponentModel;
7  using System.IO;  using System.IO;
8    using System.Reflection;
9    using System.Globalization;
10    
11  namespace libxmltv.Core  namespace libxmltv.Core
12  {  {
# Line 17  namespace libxmltv.Core Line 19  namespace libxmltv.Core
19    
20          static IXMLTV<IXMLTVRuntimeInstance, XMLTVRuntimeInstance> instance;          static IXMLTV<IXMLTVRuntimeInstance, XMLTVRuntimeInstance> instance;
21          public static IXMLTVRuntimeInstance GetInstance() { return instance.GetInstance(); }          public static IXMLTVRuntimeInstance GetInstance() { return instance.GetInstance(); }
22          public static void CreateInstance(string xml_file) { CreateInstance(xml_file, null); }          public static void CreateInstance(params object[] args) { instance = new XMLTV<IXMLTVRuntimeInstance, XMLTVRuntimeInstance>(args); }
23          public static void CreateInstance(string xml_file, EventHandler<CancelEventArgs> t) { instance = new XMLTV<IXMLTVRuntimeInstance, XMLTVRuntimeInstance>(xml_file, t); }          //public static void CreateInstance(string xml_file, EventHandler<CancelEventArgs> t) { instance = new XMLTV<IXMLTVRuntimeInstance, XMLTVRuntimeInstance>(xml_file, t); }
24          //public static IXMLTVSerializer<IXMLTVRuntimeInstance> GetSerializer() {return new XMLTVSerializer<IXMLTVRuntimeInstance>(InternalGetInstance()); }          //public static IXMLTVSerializer<IXMLTVRuntimeInstance> GetSerializer() {return new XMLTVSerializer<IXMLTVRuntimeInstance>(InternalGetInstance()); }
25    
26          //private static IXMLTVSerializer<T> CreateSerializer<T>() where T : class { return new XMLTVSerializer<T>(InternalGetInstance() as T); }          //private static IXMLTVSerializer<T> CreateSerializer<T>() where T : class { return new XMLTVSerializer<T>(InternalGetInstance() as T); }
# Line 33  namespace libxmltv.Core Line 35  namespace libxmltv.Core
35    
36      internal class XMLTV<INTERFACE, CLASS> : IXMLTV<INTERFACE, CLASS> where CLASS : class,INTERFACE      internal class XMLTV<INTERFACE, CLASS> : IXMLTV<INTERFACE, CLASS> where CLASS : class,INTERFACE
37      {      {
38          public XMLTV(string xml_file) : this(xml_file, null) { }          public XMLTV(params object[] args)
         public XMLTV(string xml_file, EventHandler<CancelEventArgs> t)  
39          {          {
40              //instance = new CLASS(xml_file, t);              ////instance = new CLASS(xml_file, t);
41              instance = null;              //instance = null;
42    
43              Type type = typeof(CLASS);              //Type type = typeof(CLASS);
44              var ctors = type.GetConstructors();              //var ctors = type.GetConstructors();
45              foreach (var ctor in ctors)              //foreach (var ctor in ctors)
46                //{
47                //    var ctor_params = ctor.GetParameters();
48                //    if (ctor_params.Count() == 2)
49                //    {
50                //        if (ctor_params[0].ParameterType == typeof(string))
51                //        {
52                //            if (ctor_params[1].ParameterType == typeof(EventHandler<CancelEventArgs>))
53                //            {
54                //                object o = ctor.Invoke(new object[] { xml_file, t });
55                //                instance = (CLASS)Convert.ChangeType(o, typeof(CLASS));
56                //                break;
57                //            }
58                //        }
59                //    }
60                //    else { continue; }
61                //}
62                BindingFlags flags = BindingFlags.NonPublic | BindingFlags.Instance;
63                CultureInfo culture = CultureInfo.CurrentCulture;
64                try
65              {              {
66                  var ctor_params = ctor.GetParameters();                  object raw_instance = Activator.CreateInstance(typeof(CLASS), flags, null, args, culture);
67                  if (ctor_params.Count() == 2)                  instance = (CLASS)Convert.ChangeType(raw_instance, typeof(CLASS));
68                }
69                catch (Exception ex)
70                {
71                    xmltv_logger.Log.Error.WriteLine(ex.ToString());
72    
73                    StringBuilder parameter_builder = new StringBuilder();
74                    foreach (object arg in args)
75                  {                  {
76                      if (ctor_params[0].ParameterType == typeof(string))                      Type type = arg.GetType();
77                      {                      parameter_builder.AppendFormat("({0}), ", type.FullName);
                         if (ctor_params[1].ParameterType == typeof(EventHandler<CancelEventArgs>))  
                         {  
                             object o = ctor.Invoke(new object[] { xml_file, t });  
                             instance = (CLASS)Convert.ChangeType(o, typeof(CLASS));  
                             break;  
                         }  
                     }  
78                  }                  }
79                  else { continue; }  
80                    string type_parameters = parameter_builder.ToString().TrimEnd(new char[] { ',', ' ' });
81                    throw new Exception(string.Format("Unable to create instance of: '{0}' with parameters: '{1}'", typeof(CLASS).Name, type_parameters), ex);
82              }              }
83          }          }
84    
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