/CRMCustom/CRMCustom.GUI/acm/acmresources/resource.cs

//---------------------------------------------------------------------------------

// Microsoft (R)  Windows Azure Platform AppFabric SDK

// Software Development Kit

// 

// Copyright (c) Microsoft Corporation. All rights reserved.  

//

// THIS CODE AND INFORMATION ARE PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, 

// EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES 

// OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR PURPOSE. 

//---------------------------------------------------------------------------------



namespace Microsoft.AccessControl.Samples.AcmTool.Resources

{

    using System;

    using System.Collections.Generic;

    using System.Diagnostics;

    using System.Globalization;

    using System.Reflection;

    using System.Security.Cryptography;

    using System.Text;

    using System.Xml;

    using System.Xml.Serialization;



    [XmlRoot(Namespace = Constants.ResourceNameSpace)]

    public abstract class Resource

    {

        protected Resource()

        {

        }



        [XmlElement(IsNullable = true)]

        public string DisplayName { get; set; }



        public string Id { get; set; }



        [XmlIgnore]

        public string Version { get; set; }



        internal static Resource DeserializeFromXml(XmlReader reader)

        {

            Resource resource;

            reader.Read();

            string typeName = string.Format(CultureInfo.InvariantCulture, "{0}.{1}", typeof(Resource).Namespace, reader.Name);

            XmlSerializer xs = new XmlSerializer(Assembly.GetExecutingAssembly().GetType(typeName));

            resource = (Resource)xs.Deserialize(reader);



            return resource;

        }



        internal static string SerializeToXmlString(Resource resource)

        {

            XmlSerializer xs = new XmlSerializer(resource.GetType());

            StringBuilder sb = new StringBuilder(256);



            XmlWriterSettings writerSettings = new XmlWriterSettings();

            writerSettings.Indent = true;

            writerSettings.IndentChars = "    ";

            writerSettings.OmitXmlDeclaration = true;



            using (XmlWriter writer = XmlTextWriter.Create(sb, writerSettings))

            {

                xs.Serialize(writer, resource);

            }



            return sb.ToString();

        }



        internal abstract void ParseAndValidate(Dictionary<string, string> options);



        protected static void ValidateOptionExists(string option, Dictionary<string, string> options)

        {

            if (!options.ContainsKey(option))

            {

                throw new ArgumentException(String.Format(CultureInfo.InvariantCulture, Constants.ErrorMissingOption1, option));

            }

        }



        internal static void ValidateOptionValueExists(string optionName, Dictionary<string, string> options)

        {

            String optionValue;

            if (!options.TryGetValue(optionName, out optionValue) || String.IsNullOrEmpty(optionValue))

            {

                throw new ArgumentException(String.Format(CultureInfo.InvariantCulture, Constants.ErrorMissingOption1, optionName));

            }

        }



        protected static string GenerateKey()

        {

            RNGCryptoServiceProvider rng = new RNGCryptoServiceProvider();

            byte[] key = new byte[32];

            rng.GetBytes(key);

            return Convert.ToBase64String(key);

        }

    }

}