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/*
* 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.IO;
using System.Reflection;
using System.Xml;
using System.Xml.Serialization;
using System.Text;
using log4net;
using OpenSim.Framework;
namespace OpenSim.Server.Base
{
public static class ServerUtils
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
public static string SLAssetTypeToContentType(int assetType)
{
switch (assetType)
{
case 0:
return "image/jp2";
case 1:
return "application/ogg";
case 2:
return "application/x-metaverse-callingcard";
case 3:
return "application/x-metaverse-landmark";
case 5:
return "application/x-metaverse-clothing";
case 6:
return "application/x-metaverse-primitive";
case 7:
return "application/x-metaverse-notecard";
case 8:
return "application/x-metaverse-folder";
case 10:
return "application/x-metaverse-lsl";
case 11:
return "application/x-metaverse-lso";
case 12:
return "image/tga";
case 13:
return "application/x-metaverse-bodypart";
case 17:
return "audio/x-wav";
case 19:
return "image/jpeg";
case 20:
return "application/x-metaverse-animation";
case 21:
return "application/x-metaverse-gesture";
case 22:
return "application/x-metaverse-simstate";
default:
return "application/octet-stream";
}
}
public static byte[] SerializeResult(XmlSerializer xs, object data)
{
MemoryStream ms = new MemoryStream();
XmlTextWriter xw = new XmlTextWriter(ms, Encoding.UTF8);
xw.Formatting = Formatting.Indented;
xs.Serialize(xw, data);
xw.Flush();
ms.Seek(0, SeekOrigin.Begin);
byte[] ret = ms.GetBuffer();
Array.Resize(ref ret, (int)ms.Length);
return ret;
}
public static T LoadPlugin<T>(string dllName, Object[] args) where T:class
{
string[] parts = dllName.Split(new char[] {':'});
dllName = parts[0];
string className = String.Empty;
if (parts.Length > 1)
className = parts[1];
return LoadPlugin<T>(dllName, className, args);
}
public static T LoadPlugin<T>(string dllName, string className, Object[] args) where T:class
{
string interfaceName = typeof(T).ToString();
try
{
Assembly pluginAssembly = Assembly.LoadFrom(dllName);
foreach (Type pluginType in pluginAssembly.GetTypes())
{
if (pluginType.IsPublic)
{
if (className != String.Empty &&
pluginType.ToString() !=
pluginType.Namespace + "." + className)
continue;
Type typeInterface =
pluginType.GetInterface(interfaceName, true);
if (typeInterface != null)
{
T plug = (T)Activator.CreateInstance(pluginType,
args);
return plug;
}
}
}
return null;
}
catch (Exception e)
{
m_log.ErrorFormat("Error loading plugin from {0}, exception {1}", dllName, e);
return null;
}
}
}
}
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