//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET: //ORIGINAL LINE: @Override public void init(javax.servlet.FilterConfig filterConfig) throws javax.servlet.ServletException public override void init(FilterConfig filterConfig) { string authenticationProviderClassName = filterConfig.getInitParameter(AUTHENTICATION_PROVIDER_PARAM); if (string.ReferenceEquals(authenticationProviderClassName, null)) { throw new ServletException("Cannot instantiate authentication filter: no authentication provider set. init-param " + AUTHENTICATION_PROVIDER_PARAM + " missing"); } try { Type authenticationProviderClass = Type.GetType(authenticationProviderClassName); authenticationProvider = (AuthenticationProvider)System.Activator.CreateInstance(authenticationProviderClass); } catch (ClassNotFoundException e) { throw new ServletException("Cannot instantiate authentication filter: authentication provider not found", e); } catch (InstantiationException e) { throw new ServletException("Cannot instantiate authentication filter: cannot instantiate authentication provider", e); } catch (IllegalAccessException e) { throw new ServletException("Cannot instantiate authentication filter: constructor not accessible", e); } catch (System.InvalidCastException e) { //JAVA TO C# CONVERTER WARNING: The .NET Type.FullName property will not always yield results identical to the Java Class.getName method: throw new ServletException("Cannot instantiate authentication filter: authentication provider does not implement interface " + typeof(AuthenticationProvider).FullName, e); } servletPathPrefix = filterConfig.getInitParameter(SERVLET_PATH_PREFIX); }