RomCheater.PluginFramework/Core/PluginLoader.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using RomCheater.PluginFramework.Interfaces;
using RomCheater.Logging;
using System.IO;
using System.Reflection;

namespace RomCheater.PluginFramework.Core
{
    public class PluginLoader : IPluginLoader
    {
        public PluginLoader()
        {
            LoadedConfigPlugins = new List<IConfigPlugin>();
            LoadedInputPlugins = new List<IInputPlugin>();
            LoadedWindowPlugins = new List<IWindowPlugin>();
        }
        #region IPluginLoader Members

        public void LoadPlugins()
        {
            try
            {
                logger.Info.WriteLine("Loading Plugins...");

                string PluginPath = string.Format(@"{0}\Plugins", typeof(PluginLoader).Assembly.Location.Replace(@"\RomCheater.PluginFramework.dll", ""));
                logger.Debug.WriteLine("Plugins Path: {0}", PluginPath);
                List<string> dlls = new List<string>(Directory.GetFiles(PluginPath, "*.dll"));
                logger.Debug.WriteLine("  Found: {0} plugin dlls", dlls.Count);
                foreach (string dll in dlls)
                {
                    FileInfo fi = new FileInfo(dll);
                    logger.Debug.WriteLine("    plugin[{0}]: {1}", dlls.IndexOf(dll), fi.Name);
                    GetConfigPluginsFromDll(fi);
                    GetInputPluginsFromDll(fi);
                    GetWindowPluginsFromDll(fi);
                }

                logger.Info.WriteLine("  Loaded {0} config plugins", LoadedConfigPlugins.Count);
                logger.Info.WriteLine("  Loaded {0} input plugins", LoadedInputPlugins.Count);
                logger.Info.WriteLine("  Loaded {0} window plugins", LoadedWindowPlugins.Count);

                logger.Info.WriteLine("Plugins Loaded.");
            }
            catch (ReflectionTypeLoadException ex)
            {
                StringBuilder builder = new StringBuilder();
                if (ex.LoaderExceptions.Count() > 0)
                {
                    foreach (Exception c in ex.LoaderExceptions)
                    {
                        builder.AppendLine(c.ToString());
                    }
                }
                logger.Error.WriteLine("Failed to load one or more plugins{0}Possible Reason:{0}{1}", System.Environment.NewLine, builder.ToString());
            }
            catch (Exception ex)
            {
                logger.Error.WriteLine("Failed to load one or more plugins{0}Possible Reason:{0}{1}", System.Environment.NewLine, ex.ToString());
            }
        }
        public List<IConfigPlugin> LoadedConfigPlugins { get; private set; }
        public List<IInputPlugin> LoadedInputPlugins { get; private set; }
        public List<IWindowPlugin> LoadedWindowPlugins { get; private set; }
        #endregion

        private void GetConfigPluginsFromDll(FileInfo dll)
        {
            logger.Debug.WriteLine("  Getting Config plugins contained in {0}", dll.Name);
            Assembly asm = Assembly.LoadFile(dll.FullName);
            List<Type> types = new List<Type>(asm.GetTypes());
            foreach (Type type in types)
            {
                if (type.BaseType == typeof(ConfigPlugin))
                {
                    ConstructorInfo ci = null;
                    ci = type.GetConstructor(new Type[] {});
                    if (ci == null)
                    {
                        throw new NullReferenceException(string.Format("Unable to bind to constructor for type: {0}", type.Name));
                    }
                    else
                    {
                        object o = ci.Invoke(new object[] { });
                        IConfigPlugin c = (IConfigPlugin)o;
                        if (c == null)
                        {
                            throw new NullReferenceException(string.Format("Failed to cast type {0} to IConfigPlugin", type.Name));
                        }
                        else
                        {
                            logger.Debug.WriteLine("    Loaded Config Plugin [name={0}] from {1}", c.Name, dll.Name);
                            LoadedConfigPlugins.Add(c);
                        }
                    }
                }
            }
        }
        private void GetInputPluginsFromDll(FileInfo dll)
        {
            logger.Debug.WriteLine("  Getting Input plugins contained in {0}", dll.Name);
            Assembly asm = Assembly.LoadFile(dll.FullName);
            List<Type> types = new List<Type>(asm.GetTypes());
            foreach (Type type in types)
            {
                if (type.BaseType == typeof(InputPlugin))
                {
                    ConstructorInfo ci = null;
                    ci = type.GetConstructor(new Type[] { });
                    if (ci == null)
                    {
                        throw new NullReferenceException(string.Format("Unable to bind to constructor for type: {0}", type.Name));
                    }
                    else
                    {
                        object o = ci.Invoke(new object[] { });
                        IInputPlugin c = (IInputPlugin)o;
                        if (c == null)
                        {
                            throw new NullReferenceException(string.Format("Failed to cast type {0} to IConfigPlugin", type.Name));
                        }
                        else
                        {
                            logger.Debug.WriteLine("    Loaded Input Plugin [name={0}] from {1}", c.Name, dll.Name);
                            LoadedInputPlugins.Add(c);
                        }
                    }
                }
            }
        }
        private void GetWindowPluginsFromDll(FileInfo dll)
        {
            logger.Debug.WriteLine("  Getting Window plugins contained in {0}", dll.Name);
            Assembly asm = Assembly.LoadFile(dll.FullName);
            List<Type> types = new List<Type>(asm.GetTypes());
            foreach (Type type in types)
            {
                if (type.BaseType == typeof(WindowPlugin))
                {
                    ConstructorInfo ci = null;
                    ci = type.GetConstructor(new Type[] { });
                    if (ci == null)
                    {
                        throw new NullReferenceException(string.Format("Unable to bind to constructor for type: {0}", type.Name));
                    }
                    else
                    {
                        object o = ci.Invoke(new object[] { });
                        IWindowPlugin c = (IWindowPlugin)o;
                        if (c == null)
                        {
                            throw new NullReferenceException(string.Format("Failed to cast type {0} to IConfigPlugin", type.Name));
                        }
                        else
                        {
                            logger.Debug.WriteLine("    Loaded Window Plugin [name={0}] from {1}", c.Name, dll.Name);
                            LoadedWindowPlugins.Add(c);
                        }
                    }
                }
            }
        }
    }
}
Revision:	86
Committed:	Wed May 9 19:41:06 2012 UTC (11 years, 1 month ago) by william
File size:	7370 byte(s)
Log Message:	+ add support to set plugins in user settings
#	User	Rev	Content
1	william	83	using System;
2			using System.Collections.Generic;
3			using System.Linq;
4			using System.Text;
5			using RomCheater.PluginFramework.Interfaces;
6			using RomCheater.Logging;
7	william	84	using System.IO;
8	william	85	using System.Reflection;
9	william	83
10			namespace RomCheater.PluginFramework.Core
11			{
12			public class PluginLoader : IPluginLoader
13			{
14			public PluginLoader()
15			{
16			LoadedConfigPlugins = new List<IConfigPlugin>();
17			LoadedInputPlugins = new List<IInputPlugin>();
18			LoadedWindowPlugins = new List<IWindowPlugin>();
19			}
20			#region IPluginLoader Members
21
22			public void LoadPlugins()
23			{
24	william	85	try
25			{
26			logger.Info.WriteLine("Loading Plugins...");
27	william	84
28	william	85	string PluginPath = string.Format(@"{0}\Plugins", typeof(PluginLoader).Assembly.Location.Replace(@"\RomCheater.PluginFramework.dll", ""));
29			logger.Debug.WriteLine("Plugins Path: {0}", PluginPath);
30			List<string> dlls = new List<string>(Directory.GetFiles(PluginPath, "*.dll"));
31			logger.Debug.WriteLine(" Found: {0} plugin dlls", dlls.Count);
32			foreach (string dll in dlls)
33			{
34			FileInfo fi = new FileInfo(dll);
35			logger.Debug.WriteLine(" plugin[{0}]: {1}", dlls.IndexOf(dll), fi.Name);
36			GetConfigPluginsFromDll(fi);
37			GetInputPluginsFromDll(fi);
38			GetWindowPluginsFromDll(fi);
39			}
40
41			logger.Info.WriteLine(" Loaded {0} config plugins", LoadedConfigPlugins.Count);
42			logger.Info.WriteLine(" Loaded {0} input plugins", LoadedInputPlugins.Count);
43			logger.Info.WriteLine(" Loaded {0} window plugins", LoadedWindowPlugins.Count);
44
45			logger.Info.WriteLine("Plugins Loaded.");
46			}
47	william	86	catch (ReflectionTypeLoadException ex)
48			{
49			StringBuilder builder = new StringBuilder();
50			if (ex.LoaderExceptions.Count() > 0)
51			{
52			foreach (Exception c in ex.LoaderExceptions)
53			{
54			builder.AppendLine(c.ToString());
55			}
56			}
57			logger.Error.WriteLine("Failed to load one or more plugins{0}Possible Reason:{0}{1}", System.Environment.NewLine, builder.ToString());
58			}
59	william	85	catch (Exception ex)
60	william	84	{
61	william	85	logger.Error.WriteLine("Failed to load one or more plugins{0}Possible Reason:{0}{1}", System.Environment.NewLine, ex.ToString());
62	william	84	}
63	william	83	}
64			public List<IConfigPlugin> LoadedConfigPlugins { get; private set; }
65			public List<IInputPlugin> LoadedInputPlugins { get; private set; }
66			public List<IWindowPlugin> LoadedWindowPlugins { get; private set; }
67			#endregion
68	william	85
69			private void GetConfigPluginsFromDll(FileInfo dll)
70			{
71			logger.Debug.WriteLine(" Getting Config plugins contained in {0}", dll.Name);
72			Assembly asm = Assembly.LoadFile(dll.FullName);
73			List<Type> types = new List<Type>(asm.GetTypes());
74			foreach (Type type in types)
75			{
76			if (type.BaseType == typeof(ConfigPlugin))
77			{
78			ConstructorInfo ci = null;
79			ci = type.GetConstructor(new Type[] {});
80			if (ci == null)
81			{
82			throw new NullReferenceException(string.Format("Unable to bind to constructor for type: {0}", type.Name));
83			}
84			else
85			{
86			object o = ci.Invoke(new object[] { });
87			IConfigPlugin c = (IConfigPlugin)o;
88			if (c == null)
89			{
90			throw new NullReferenceException(string.Format("Failed to cast type {0} to IConfigPlugin", type.Name));
91			}
92			else
93			{
94			logger.Debug.WriteLine(" Loaded Config Plugin [name={0}] from {1}", c.Name, dll.Name);
95			LoadedConfigPlugins.Add(c);
96			}
97			}
98			}
99			}
100			}
101			private void GetInputPluginsFromDll(FileInfo dll)
102			{
103			logger.Debug.WriteLine(" Getting Input plugins contained in {0}", dll.Name);
104			Assembly asm = Assembly.LoadFile(dll.FullName);
105			List<Type> types = new List<Type>(asm.GetTypes());
106			foreach (Type type in types)
107			{
108			if (type.BaseType == typeof(InputPlugin))
109			{
110			ConstructorInfo ci = null;
111			ci = type.GetConstructor(new Type[] { });
112			if (ci == null)
113			{
114			throw new NullReferenceException(string.Format("Unable to bind to constructor for type: {0}", type.Name));
115			}
116			else
117			{
118			object o = ci.Invoke(new object[] { });
119			IInputPlugin c = (IInputPlugin)o;
120			if (c == null)
121			{
122			throw new NullReferenceException(string.Format("Failed to cast type {0} to IConfigPlugin", type.Name));
123			}
124			else
125			{
126			logger.Debug.WriteLine(" Loaded Input Plugin [name={0}] from {1}", c.Name, dll.Name);
127			LoadedInputPlugins.Add(c);
128			}
129			}
130			}
131			}
132			}
133			private void GetWindowPluginsFromDll(FileInfo dll)
134			{
135			logger.Debug.WriteLine(" Getting Window plugins contained in {0}", dll.Name);
136			Assembly asm = Assembly.LoadFile(dll.FullName);
137			List<Type> types = new List<Type>(asm.GetTypes());
138			foreach (Type type in types)
139			{
140			if (type.BaseType == typeof(WindowPlugin))
141			{
142			ConstructorInfo ci = null;
143			ci = type.GetConstructor(new Type[] { });
144			if (ci == null)
145			{
146			throw new NullReferenceException(string.Format("Unable to bind to constructor for type: {0}", type.Name));
147			}
148			else
149			{
150			object o = ci.Invoke(new object[] { });
151			IWindowPlugin c = (IWindowPlugin)o;
152			if (c == null)
153			{
154			throw new NullReferenceException(string.Format("Failed to cast type {0} to IConfigPlugin", type.Name));
155			}
156			else
157			{
158			logger.Debug.WriteLine(" Loaded Window Plugin [name={0}] from {1}", c.Name, dll.Name);
159			LoadedWindowPlugins.Add(c);
160			}
161			}
162			}
163			}
164			}
165	william	83	}
166			}