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

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C#
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// Copyright (c) 2012, 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);
}
}
}