/// <summary>
/// Attempt to instantiate an IAssetCache implementation, using the
/// provided IAssetServer reference.
/// An asset cache implementation must provide a constructor that
/// accepts two parameters;
/// [1] A ConfigSettings reference.
/// [2] An IAssetServer reference.
/// The AssetCache value is obtained from the
/// [StartUp]/AssetCache value in the configuration file.
/// </summary>
protected virtual IAssetCache ResolveAssetCache(IAssetServer assetServer)
{
IAssetCache assetCache = null;
if (m_configSettings.AssetCache != null && m_configSettings.AssetCache != String.Empty)
{
m_log.DebugFormat("[OpenSim Base]: Attempting to load asset cache id = {0}", m_configSettings.AssetCache);
try
{
PluginInitialiserBase init = new AssetCachePluginInitialiser(m_configSettings, assetServer);
PluginLoader<IAssetCache> loader = new PluginLoader<IAssetCache>(init);
loader.AddFilter(PLUGIN_ASSET_CACHE, new PluginProviderFilter(m_configSettings.AssetCache));
loader.Load(PLUGIN_ASSET_CACHE);
if (loader.Plugins.Count > 0)
{
assetCache = (IAssetCache)loader.Plugins[0];
}
}
catch (Exception e)
{
m_log.Error("[OpenSim Base]: ResolveAssetCache failed");
m_log.Error(e);
}
}
// If everything else fails, we force load the built-in asset cache
return (IAssetCache) ((assetCache != null) ? assetCache : new AssetCache(assetServer));
}
// This method loads the identified asset server, passing an approrpiately
// initialized Initialize wrapper. There should to be exactly one match,
// if not, then the first match is used.
private IAssetServer loadAssetServer(string id, PluginInitializerBase pi)
{
if (!String.IsNullOrEmpty(id))
{
m_log.DebugFormat("[HALCYONBASE] Attempting to load asset server id={0}", id);
try
{
PluginLoader <IAssetServer> loader = new PluginLoader <IAssetServer>(pi);
loader.AddFilter(PLUGIN_ASSET_SERVER_CLIENT, new PluginProviderFilter(id));
loader.Load(PLUGIN_ASSET_SERVER_CLIENT);
if (loader.Plugins.Count > 0)
{
m_log.DebugFormat("[HALCYONBASE] Asset server {0} loaded", id);
return((IAssetServer)loader.Plugins[0]);
}
}
catch (Exception e)
{
m_log.DebugFormat("[HALCYONBASE] Asset server {0} not loaded ({1})", id, e.Message);
}
}
return(null);
}
// This method loads the identified asset server, passing an approrpiately
// initialized Initialise wrapper. There should to be exactly one match,
// if not, then the first match is used.
private IAssetServer loadAssetServer(string id, PluginInitialiserBase pi)
{
if (id != null && id != String.Empty)
{
m_log.DebugFormat("[OpenSim Base]: Attempting to load asset server id={0}", id);
try
{
PluginLoader<IAssetServer> loader = new PluginLoader<IAssetServer>(pi);
loader.AddFilter(PLUGIN_ASSET_SERVER_CLIENT, new PluginProviderFilter(id));
loader.Load(PLUGIN_ASSET_SERVER_CLIENT);
if (loader.Plugins.Count > 0)
{
m_log.DebugFormat("[OpenSim Base]: Asset server {0} loaded", id);
return (IAssetServer) loader.Plugins[0];
}
}
catch (Exception e)
{
m_log.DebugFormat("[OpenSim]: Asset server {0} not loaded ({1})", id, e.Message);
}
}
return null;
}
// This method loads the identified asset server, passing an approrpiately
// initialized Initialize wrapper. There should to be exactly one match,
// if not, then the first match is used.
private IAssetServer loadAssetServer(string id, PluginInitializerBase pi)
{
if (!String.IsNullOrEmpty(id))
{
m_log.DebugFormat("[HALCYONBASE] Attempting to load asset server id={0}", id);
try
{
PluginLoader<IAssetServer> loader = new PluginLoader<IAssetServer>(pi);
loader.AddFilter(PLUGIN_ASSET_SERVER_CLIENT, new PluginProviderFilter(id));
loader.Load(PLUGIN_ASSET_SERVER_CLIENT);
if (loader.Plugins.Count > 0)
{
m_log.DebugFormat("[HALCYONBASE] Asset server {0} loaded", id);
return (IAssetServer) loader.Plugins[0];
}
}
catch (Exception e)
{
m_log.DebugFormat("[HALCYONBASE] Asset server {0} not loaded ({1})", id, e.Message);
}
}
return null;
}