Web/Handlers/ImageHandler.cs

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

/*
 * 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.Collections;
using System.Collections.Generic;
using System.Net;
using System.Web;
using System.IO;
using System.Text;
using System.Text.RegularExpressions;
using System.IO.Compression;
using System.Web.Caching;

using ComLib.Web;
using ComLib.Extensions;


namespace ComLib.Web.HttpHandlers
{
	/// <summary>
	/// Removes whitespace in all stylesheets added to the 
	/// header of the HTML document in site.master. 
	/// </summary>
    public class ImageHandler : HandlerBase, IHttpHandler
	{
        private static IDictionary<string, string> _supportedImageTypes = new Dictionary<string, string>();
        private static IDictionary _config = new Dictionary<string, object>();
        private static string _sectionName = "WebHandlers.Images";
        private static Action<HttpContext> _externalImageHandler;
        private static Func<HttpContext, bool> _externalImageHandlerCheck;
        private static bool _enableLogging = false;


        /// <summary>
        /// Static initialization.
        /// </summary>
        static ImageHandler()
        {
            // All the replacement chars for removing whitespace from css files.
            _supportedImageTypes["jpeg"] = "jpeg";
            _supportedImageTypes["jpg"] = "jpeg";
            _supportedImageTypes["gif"] = "gif";
            _supportedImageTypes["png"] = "png";
            _supportedImageTypes["tiff"] = "tiff";
        }


        /// <summary>