﻿// Copyright 2007-2010 The Apache Software Foundation.
//  
// 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.

namespace Hydrous.Hosting.FileSystem
{
    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;
    using System.IO;

    public class ServiceDirectoryScanner : IServiceDirectoryScanner
    {
        private DirectoryInfo ServicesFolder;
        public ServiceDirectoryScanner(DirectoryInfo servicesFolder)
        {
            ServicesFolder = servicesFolder;
        }

        public IEnumerable<ServiceDirectory> Scan()
        {
            foreach (var folder in ServicesFolder.GetDirectories())
            {
                var configFiles = folder.GetFiles(folder.Name + ".config");
                var config = configFiles.FirstOrDefault();

                if (config != null)
                {
                    yield return new ServiceDirectory(folder, config);
                }
            }
        }
    }
}
