More additions to the nextgen reference UGAIM

OpenSim/Services/Base/ServiceBase.cs

@@ -0,0 +1,74 @@
+/*
+ * 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 OpenSim 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.
+ */
+
+using System;
+using System.Reflection;
+using Nini.Config;
+using OpenSim.Services.Interfaces;
+
+namespace OpenSim.Services.Base
+{
+    public class ServiceBase
+    {
+        public T LoadPlugin<T>(string dllName) where T:class
+        {
+            string interfaceName = typeof(T).ToString();
+
+            try
+            {
+                Assembly pluginAssembly = Assembly.LoadFrom(dllName);
+
+                foreach (Type pluginType in pluginAssembly.GetTypes())
+                {
+                    if (pluginType.IsPublic)
+                    {
+                        Type typeInterface =
+                                pluginType.GetInterface(interfaceName, true);
+                        if (typeInterface != null)
+                        {
+                            T plug = (T)Activator.CreateInstance(
+                                    pluginAssembly.GetType(
+                                    pluginType.ToString()));
+
+                            return plug;
+                        }
+                    }
+                }
+
+                return null;
+            }
+            catch (Exception e)
+            {
+                return null;
+            }
+        }
+
+        public ServiceBase(IConfigSource config)
+        {
+        }
+    }
+}