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// Copyright 2017 the original author or authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Logging;
using Owin;
using Steeltoe.Extensions.Logging;
using Steeltoe.Management.Endpoint.Loggers;
using System;
namespace Steeltoe.Management.EndpointOwin.Loggers
{
public static class LoggersEndpointAppBuilderExtensions
{
/// <summary>
/// Add Loggers actuator endpoint to OWIN Pipeline
/// </summary>
/// <param name="builder">OWIN <see cref="IAppBuilder" /></param>
/// <param name="config"><see cref="IConfiguration"/> of application for configuring loggers endpoint</param>
/// <param name="loggerProvider">Provider of loggers to report on and configure</param>
/// <param name="loggerFactory">For logging within the middleware</param>
/// <returns>OWIN <see cref="IAppBuilder" /> with Loggers Endpoint added</returns>
public static IAppBuilder UseLoggersActuator(this IAppBuilder builder, IConfiguration config, ILoggerProvider loggerProvider, ILoggerFactory loggerFactory = null)
{
if (builder == null)
{
throw new ArgumentNullException(nameof(builder));
}
if (config == null)
{
throw new ArgumentNullException(nameof(config));
}
if (loggerProvider == null)
{
throw new ArgumentNullException(nameof(loggerProvider));
}
var endpoint = new LoggersEndpoint(new LoggersOptions(config), loggerProvider as IDynamicLoggerProvider, loggerFactory?.CreateLogger<LoggersEndpoint>());
var logger = loggerFactory?.CreateLogger<LoggersEndpointOwinMiddleware>();
return builder.Use<LoggersEndpointOwinMiddleware>(endpoint, logger);
}
}
}