/* * Copyright (c) Contributors, http://opensimulator.org/ * See CONTRIBUTORS.TXT for a full list of copyright holders. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * Neither the name of the OpenSimulator Project nor the * names of its contributors may be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* Original code: Tedd Hansen */ using System; using System.IO; using System.Reflection; using log4net; namespace OpenSim.Region.Framework.Scenes.Scripting { public class ScriptEngineLoader { private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); public ScriptEngineInterface LoadScriptEngine(string EngineName) { ScriptEngineInterface ret = null; try { ret = LoadAndInitAssembly( Path.Combine("ScriptEngines", "OpenSim.Region.ScriptEngine." + EngineName + ".dll"), "OpenSim.Region.ScriptEngine." + EngineName + ".ScriptEngine"); } catch (Exception e) { m_log.Error("[ScriptEngine]: " + "Error loading assembly \"" + EngineName + "\": " + e.Message + ", " + e.StackTrace.ToString()); } return ret; } /// <summary> /// Does actual loading and initialization of script Assembly /// </summary> /// <param name="FreeAppDomain">AppDomain to load script into</param> /// <param name="FileName">FileName of script assembly (.dll)</param> /// <returns></returns> private ScriptEngineInterface LoadAndInitAssembly(string FileName, string NameSpace) { //Common.SendToDebug("Loading ScriptEngine Assembly " + FileName); // Load .Net Assembly (.dll) // Initialize and return it // TODO: Add error handling Assembly a; //try //{ // Load to default appdomain (temporary) a = Assembly.LoadFrom(FileName); // Load to specified appdomain // TODO: Insert security //a = FreeAppDomain.Load(FileName); //} //catch (Exception e) //{ // m_log.Error("[ScriptEngine]: Error loading assembly \String.Empty + FileName + "\": " + e.ToString()); //} //m_log.Debug("Loading: " + FileName); //foreach (Type _t in a.GetTypes()) //{ // m_log.Debug("Type: " + _t.ToString()); //} Type t; //try //{ t = a.GetType(NameSpace, true); //} //catch (Exception e) //{ // m_log.Error("[ScriptEngine]: Error initializing type \String.Empty + NameSpace + "\" from \String.Empty + FileName + "\": " + e.ToString()); //} ScriptEngineInterface ret; //try //{ ret = (ScriptEngineInterface) Activator.CreateInstance(t); //} //catch (Exception e) //{ // m_log.Error("[ScriptEngine]: Error initializing type \String.Empty + NameSpace + "\" from \String.Empty + FileName + "\": " + e.ToString()); //} return ret; } } }