/// <exception cref="System.IO.IOException"/>
private void InitWebHdfs(Configuration conf)
{
if (WebHdfsFileSystem.IsEnabled(conf, HttpServer2.Log))
{
// set user pattern based on configuration file
UserParam.SetUserPattern(conf.Get(DFSConfigKeys.DfsWebhdfsUserPatternKey, DFSConfigKeys
.DfsWebhdfsUserPatternDefault));
// add authentication filter for webhdfs
string className = conf.Get(DFSConfigKeys.DfsWebhdfsAuthenticationFilterKey, DFSConfigKeys
.DfsWebhdfsAuthenticationFilterDefault);
string name = className;
string pathSpec = WebHdfsFileSystem.PathPrefix + "/*";
IDictionary <string, string> @params = GetAuthFilterParams(conf);
HttpServer2.DefineFilter(httpServer.GetWebAppContext(), name, className, @params,
new string[] { pathSpec });
HttpServer2.Log.Info("Added filter '" + name + "' (class=" + className + ")");
// add webhdfs packages
httpServer.AddJerseyResourcePackage(typeof(NamenodeWebHdfsMethods).Assembly.GetName
() + ";" + typeof(Param).Assembly.GetName(), pathSpec);
}
}