117 lines
4.4 KiB
C#
117 lines
4.4 KiB
C#
/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSimulator Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.IO;
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using System.Collections.Generic;
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using System.Reflection;
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using log4net;
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using Nini.Config;
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using OpenSim.Services.Interfaces;
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namespace OpenSim.Services.Base
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{
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public class ServiceBase
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{
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private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
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public T LoadPlugin<T>(string dllName) where T:class
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{
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return LoadPlugin<T>(dllName, new Object[0]);
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}
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public T LoadPlugin<T>(string dllName, Object[] args) where T:class
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{
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string pathRoot = Path.GetPathRoot(dllName);
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string noRoot = dllName.Substring(pathRoot.Length);
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string[] parts = noRoot.Split(new char[] { ':' });
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dllName = pathRoot + parts[0];
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string className = String.Empty;
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if (parts.Length > 1)
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className = parts[1];
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return LoadPlugin<T>(dllName, className, args);
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}
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public T LoadPlugin<T>(string dllName, string className, Object[] args) where T:class
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{
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string interfaceName = typeof(T).ToString();
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try
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{
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Assembly pluginAssembly = Assembly.LoadFrom(dllName);
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// m_log.DebugFormat("[SERVICE BASE]: Found assembly {0}", dllName);
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foreach (Type pluginType in pluginAssembly.GetTypes())
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{
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// m_log.DebugFormat("[SERVICE BASE]: Found type {0}", pluginType);
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if (pluginType.IsPublic)
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{
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if (className != String.Empty &&
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pluginType.ToString() !=
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pluginType.Namespace + "." + className)
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continue;
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Type typeInterface =
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pluginType.GetInterface(interfaceName, true);
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if (typeInterface != null)
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{
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T plug = (T)Activator.CreateInstance(pluginType,
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args);
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return plug;
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}
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}
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}
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return null;
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}
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catch (Exception e)
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{
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List<string> strArgs = new List<string>();
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foreach (Object arg in args)
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strArgs.Add(arg.ToString());
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m_log.Error(
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string.Format(
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"[SERVICE BASE]: Failed to load plugin {0} from {1} with args {2}",
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interfaceName, dllName, string.Join(", ", strArgs.ToArray())), e);
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return null;
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}
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}
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public ServiceBase(IConfigSource config)
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{
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}
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}
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} |