anx.framework/ANX.Framework/NonXNA/AddInSystemFactory.cs
Glatzemann 0e1d271195 refactored AddInSystem (testing needed)
implemented feature #469 (Default AddIn override)
2011-12-06 09:11:26 +00:00

397 lines
15 KiB
C#

#region Using Statements
using System;
using System.IO;
using System.Reflection;
using System.Collections.Generic;
using System.Linq;
using ANX.Framework.Input;
using NLog;
using System.Collections;
using System.Resources;
#endregion // Using Statements
#region License
//
// This file is part of the ANX.Framework created by the "ANX.Framework developer group".
//
// This file is released under the Ms-PL license.
//
//
//
// Microsoft Public License (Ms-PL)
//
// This license governs use of the accompanying software. If you use the software, you accept this license.
// If you do not accept the license, do not use the software.
//
// 1.Definitions
// The terms "reproduce," "reproduction," "derivative works," and "distribution" have the same meaning
// here as under U.S. copyright law.
// A "contribution" is the original software, or any additions or changes to the software.
// A "contributor" is any person that distributes its contribution under this license.
// "Licensed patents" are a contributor's patent claims that read directly on its contribution.
//
// 2.Grant of Rights
// (A) Copyright Grant- Subject to the terms of this license, including the license conditions and limitations
// in section 3, each contributor grants you a non-exclusive, worldwide, royalty-free copyright license to
// reproduce its contribution, prepare derivative works of its contribution, and distribute its contribution
// or any derivative works that you create.
// (B) Patent Grant- Subject to the terms of this license, including the license conditions and limitations in
// section 3, each contributor grants you a non-exclusive, worldwide, royalty-free license under its licensed
// patents to make, have made, use, sell, offer for sale, import, and/or otherwise dispose of its contribution
// in the software or derivative works of the contribution in the software.
//
// 3.Conditions and Limitations
// (A) No Trademark License- This license does not grant you rights to use any contributors' name, logo, or trademarks.
// (B) If you bring a patent claim against any contributor over patents that you claim are infringed by the software, your
// patent license from such contributor to the software ends automatically.
// (C) If you distribute any portion of the software, you must retain all copyright, patent, trademark, and attribution
// notices that are present in the software.
// (D) If you distribute any portion of the software in source code form, you may do so only under this license by including
// a complete copy of this license with your distribution. If you distribute any portion of the software in compiled or
// object code form, you may only do so under a license that complies with this license.
// (E) The software is licensed "as-is." You bear the risk of using it. The contributors give no express warranties, guarantees,
// or conditions. You may have additional consumer rights under your local laws which this license cannot change. To the
// extent permitted under your local laws, the contributors exclude the implied warranties of merchantability, fitness for a
// particular purpose and non-infringement.
#endregion // License
namespace ANX.Framework.NonXNA
{
public class AddInSystemFactory
{
#region Private Members
private Dictionary<String, ICreator> creators;
private static AddInSystemFactory instance;
private bool initialized;
private Dictionary<Type, ICreator> defaultCreators = new Dictionary<Type, ICreator>();
private OperatingSystem operatingSystem;
private Version operatingSystemVersion;
private string preferredRenderSystem;
private bool preferredRenderSystemLocked;
private string preferredInputSystem;
private bool preferredInputSystemLocked;
private string preferredSoundSystem;
private bool preferredSoundSystemLocked;
private List<AddIn> renderSystems;
private List<AddIn> inputSystems;
private List<AddIn> soundSystems;
private static Logger logger = LogManager.GetCurrentClassLogger();
#endregion // Private Members
public static AddInSystemFactory Instance
{
get
{
if (instance == null)
{
instance = new AddInSystemFactory();
logger.Debug("Created AddInSystemFactory instance");
}
return instance;
}
}
private AddInSystemFactory()
{
this.renderSystems = new List<AddIn>();
this.inputSystems = new List<AddIn>();
this.soundSystems = new List<AddIn>();
this.creators = new Dictionary<string, ICreator>();
this.operatingSystem = Environment.OSVersion;
this.operatingSystemVersion = this.operatingSystem.Version;
logger.Info("Operating System: {0} ({1})", operatingSystem.VersionString, operatingSystemVersion.ToString());
}
public void Initialize()
{
if (!initialized)
{
initialized = true;
logger.Info("[ANX] Initializing ANX.Framework AddInSystemFactory...");
String executingAssembly = Assembly.GetExecutingAssembly().Location;
foreach (String file in Directory.EnumerateFiles(Path.GetDirectoryName(executingAssembly), "*.dll", SearchOption.TopDirectoryOnly))
{
if (!file.Equals(executingAssembly))
{
logger.Info("[ANX] trying to load '{0}'...", file);
AddIn addin = new AddIn(file);
if (addin.IsValid && addin.IsSupported)
{
switch (addin.Type)
{
case AddInType.InputSystem:
this.inputSystems.Add(addin);
break;
case AddInType.RenderSystem:
this.renderSystems.Add(addin);
break;
case AddInType.SoundSystem:
this.soundSystems.Add(addin);
break;
}
logger.Info("[ANX] successfully loaded addin...");
}
else
{
logger.Info("[ANX] skipped loading file because it is not supported or not a valid AddIn");
}
}
}
this.inputSystems.Sort();
this.renderSystems.Sort();
this.soundSystems.Sort();
}
}
public void AddCreator(ICreator creator)
{
string creatorName = creator.Name.ToLowerInvariant();
if (creators.ContainsKey(creatorName))
{
throw new Exception("Duplicate creator found. A creator with the name '" + creator.Name + "' was already registered.");
}
creators.Add(creatorName, creator);
logger.Debug("added creator '{0}'. Total count of registered creators is now {1}.", creatorName, creators.Count);
}
public bool HasFramework(String name)
{
return creators.ContainsKey(name.ToLowerInvariant());
}
public T GetCreator<T>(String name) where T : class, ICreator
{
if (!initialized)
{
Initialize();
}
ICreator creator = null;
creators.TryGetValue(name.ToLowerInvariant(), out creator);
return creator as T;
}
public IEnumerable<T> GetCreators<T>() where T : class, ICreator
{
if (!initialized)
{
Initialize();
}
Type t = typeof(T);
foreach (ICreator creator in this.creators.Values)
{
if (creator.GetType().GetInterfaces()[0].Equals(t))
{
yield return creator as T;
}
}
}
public T GetDefaultCreator<T>() where T : class, ICreator
{
if (!initialized)
{
Initialize();
}
Type type = typeof(T);
AddInType addInType = GetAddInType(type);
switch (addInType)
{
case AddInType.InputSystem:
if (string.IsNullOrEmpty(preferredInputSystem))
{
if (inputSystems.Count > 0)
{
return inputSystems[0].Instance as T;
}
throw new AddInLoadingException("couldn't get default input system because there are no registered input systems available");
}
else
{
foreach (AddIn addin in this.inputSystems)
{
if (addin.Name.Equals(preferredInputSystem, StringComparison.InvariantCultureIgnoreCase))
{
return addin.Instance as T;
}
}
throw new AddInLoadingException(String.Format("couldn't get default input system '{0}' because it was not found in the list of registered creators", preferredInputSystem));
}
case AddInType.RenderSystem:
if (string.IsNullOrEmpty(preferredRenderSystem))
{
if (renderSystems.Count > 0)
{
return renderSystems[0].Instance as T;
}
throw new AddInLoadingException("couldn't get default render system because there are no registered render systems available");
}
else
{
foreach (AddIn addin in this.renderSystems)
{
if (addin.Name.Equals(preferredRenderSystem, StringComparison.InvariantCultureIgnoreCase))
{
return addin.Instance as T;
}
}
throw new AddInLoadingException(String.Format("couldn't get default render system '{0}' because it was not found in the list of registered creators", preferredRenderSystem));
}
case AddInType.SoundSystem:
if (string.IsNullOrEmpty(preferredSoundSystem))
{
if (soundSystems.Count > 0)
{
return soundSystems[0].Instance as T;
}
throw new AddInLoadingException("couldn't get default sound system because there are no registered sound systems available");
}
else
{
foreach (AddIn addin in this.soundSystems)
{
if (addin.Name.Equals(preferredSoundSystem, StringComparison.InvariantCultureIgnoreCase))
{
return addin.Instance as T;
}
}
throw new AddInLoadingException(String.Format("couldn't get default sound system '{0}' because it was not found in the list of registered creators", preferredSoundSystem));
}
}
throw new AddInLoadingException(String.Format("couldn't find a DefaultCreator of type '{0}'", type.FullName));
}
public OperatingSystem OperatingSystem
{
get
{
return this.operatingSystem;
}
}
public Version OperatingSystemVersion
{
get
{
return this.operatingSystemVersion;
}
}
public string PreferredRenderSystem
{
get
{
return this.preferredRenderSystem;
}
set
{
if (this.preferredRenderSystemLocked && !this.preferredRenderSystem.Equals(value, StringComparison.InvariantCultureIgnoreCase))
{
throw new AddInLoadingException("can't set preferred RenderSystem because a RenderSystem is alread in use.");
}
this.preferredRenderSystem = value;
}
}
public string PreferredInputSystem
{
get
{
return this.preferredInputSystem;
}
set
{
if (this.preferredInputSystemLocked && !this.preferredInputSystem.Equals(value, StringComparison.InvariantCultureIgnoreCase))
{
throw new AddInLoadingException("can't set preferred InputSystem because a InputSystem is alread in use.");
}
this.preferredInputSystem = value;
}
}
public string PreferredSoundSystem
{
get
{
return this.preferredSoundSystem;
}
set
{
if (this.preferredSoundSystemLocked && !this.preferredSoundSystem.Equals(value, StringComparison.InvariantCultureIgnoreCase))
{
throw new AddInLoadingException("can't set preferred SoundSystem because a SoundSystem is alread in use.");
}
this.preferredSoundSystem = value;
}
}
public void PreventRenderSystemChange()
{
this.preferredRenderSystemLocked = true;
}
public void PreventInputSystemChange()
{
this.preferredInputSystemLocked = true;
}
public void PreventSoundSystemChange()
{
this.preferredSoundSystemLocked = true;
}
private AddInType GetAddInType(Type t)
{
if (typeof(IRenderSystemCreator).IsAssignableFrom(t))
{
return AddInType.RenderSystem;
}
else if (typeof(IInputSystemCreator).IsAssignableFrom(t))
{
return AddInType.InputSystem;
}
else if (typeof(ISoundSystemCreator).IsAssignableFrom(t))
{
return AddInType.SoundSystem;
}
else
{
return AddInType.Unknown;
}
}
}
}