Providers.cs
上传用户:sex100000
上传日期:2013-11-09
资源大小:1377k
文件大小:2k
- // 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.Generic;
- using System.Collections.ObjectModel;
- using System.Text;
- 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;
- System.Reflection.Assembly[] loadedAssemblies = ad.GetAssemblies();
- foreach (System.Reflection.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());
- }
- }
- }