// Copyright 2005, 2006 - Morten Nielsen (www.iter.dk)

//

// This file is part of SharpMap.

// SharpMap is free software; you can redistribute it and/or modify

// it under the terms of the GNU Lesser General Public License as published by

// the Free Software Foundation; either version 2 of the License, or

// (at your option) any later version.

//

// SharpMap is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

// GNU Lesser General Public License for more details.

// You should have received a copy of the GNU Lesser General Public License

// along with SharpMap; if not, write to the Free Software

// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

using System;

using System.Collections.ObjectModel;

using System.Reflection;

namespace SharpMap.Utilities

{

/// <summary>

/// Provider helper utilities

/// </summary>

public class Providers

{

/// <summary>

/// Returns a list of available data providers in this assembly

/// </summary>

public static Collection<Type> GetProviders()

{

Collection<Type> ProviderList = new Collection<Type>();

// Ask the current AppDomain for a list of all

// loaded assemblies.

AppDomain ad = AppDomain.CurrentDomain;

Assembly[] loadedAssemblies = ad.GetAssemblies();

foreach (Assembly asm in loadedAssemblies)

foreach (Type t in asm.GetTypes())

if ((t.IsClass) && (t.GetInterface("SharpMap.Data.Providers.IProvider") != null))

ProviderList.Add(t);

return ProviderList;

}

/// <summary>

/// Filter method used for searching for objects in an assembly

/// </summary>

/// <param name="typeObj"></param>

/// <param name="criteriaObj"></param>

/// <returns></returns>

private static bool MyInterfaceFilter(Type typeObj, Object criteriaObj)

{

return (typeObj.ToString() == criteriaObj.ToString());

}

}

}