Initial project's source code check-in.

WebsitePanel/Sources/WebsitePanel.Server/Code/AutoDiscoveryHelper.cs

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+// Copyright (c) 2011, Outercurve Foundation.
+// All rights reserved.
+//
+// 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  Outercurve Foundation  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 COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR 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.Configuration;
+using WebsitePanel.Providers;
+using WebsitePanel.Providers.Common;
+using WebsitePanel.Server.Utils;
+using System.Reflection;
+
+namespace WebsitePanel.Server.Code
+{
+    public class AutoDiscoveryHelper
+    {
+        public const string DisableAutoDiscovery = "DisableAutoDiscovery";
+        public static BoolResult IsInstalled(string name)
+        {
+            
+            Log.WriteStart("IsInstalled started. Name:{0}", name);
+            BoolResult res = new BoolResult {IsSuccess = true};
+
+            try
+            {
+                bool disableAutoDiscovery;
+
+                if (!bool.TryParse(ConfigurationManager.AppSettings[DisableAutoDiscovery], out disableAutoDiscovery))
+                    disableAutoDiscovery = false;
+                
+                if (disableAutoDiscovery)
+                {
+                    res.Value = true;
+                    
+                }
+                else
+                {
+                    if (string.IsNullOrEmpty(name))
+                    {
+                        res.IsSuccess = false;
+                        res.ErrorCodes.Add(ErrorCodes.PROVIDER_NANE_IS_NOT_SPECIFIED);
+                        return res;
+                    }
+
+                    Type providerType = Type.GetType(name);
+                    IHostingServiceProvider provider = (IHostingServiceProvider)Activator.CreateInstance(providerType);
+                    res.Value = provider.IsInstalled();
+                }
+            }
+            catch (Exception ex)
+            {
+                res.IsSuccess = false;
+                res.ErrorCodes.Add(ErrorCodes.CANNOT_CREATE_PROVIDER_INSTANCE);
+                Log.WriteError(ex);
+            }
+            finally
+            {
+                Log.WriteEnd("IsInstalled ended. Name:{0}", name);
+            }
+
+            return res;
+        }
+
+        public static string GetServerVersion()
+        {
+            object[] attrs = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyInformationalVersionAttribute), true);
+            if (attrs.Length > 0)
+                return ((AssemblyInformationalVersionAttribute)attrs[0]).InformationalVersion;
+            else
+			    return typeof(AutoDiscoveryHelper).Assembly.GetName().Version.ToString(3);
+        }
+
+    }
+}