Web/WebUtils.cs

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/*
 * Author: Kishore Reddy
 * Url: http://commonlibrarynet.codeplex.com/
 * Title: CommonLibrary.NET
 * Copyright: � 2009 Kishore Reddy
 * License: LGPL License
 * LicenseUrl: http://commonlibrarynet.codeplex.com/license
 * Description: A C# based .NET 3.5 Open-Source collection of reusable components.
 * Usage: 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 System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Collections.Generic;
using System.Net;
using System.Web;
using System.IO;
using System.Web.UI.HtmlControls;
using System.Text;
using System.Globalization;
using System.Drawing.Imaging;


namespace ComLib.Web
{
    /// <summary>
    /// This class provides helper methods for the <see cref="ComLib.Web"/> namespace.
    /// </summary>
    public class WebUtils
    {
        private static IDictionary<string, ImageFormat> _imageFormatsLookup;

        /// <summary>
        /// Static initializer.
        /// </summary>
        static WebUtils()
        {
            _imageFormatsLookup = new Dictionary<string, ImageFormat>();
            _imageFormatsLookup.Add("jpeg", ImageFormat.Jpeg);
            _imageFormatsLookup.Add("jpg", ImageFormat.Jpeg);
            _imageFormatsLookup.Add("gif", ImageFormat.Gif);
            _imageFormatsLookup.Add("tiff", ImageFormat.Tiff);
            _imageFormatsLookup.Add("png", ImageFormat.Png);
        }


        /// <summary>
        /// Get a remote web file.
        /// </summary>
        /// <param name="file">The remote URL</param>
        public static string GetFileContentsRemote(string file)
        {
            string content = string.Empty;
            try
            {