56 lines
2.4 KiB
C#
56 lines
2.4 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="RestHandlerFactory.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//------------------------------------------------------------------------------
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namespace System.Web.Script.Services {
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internal class RestHandlerFactory : IHttpHandlerFactory {
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internal const string ClientProxyRequestPathInfo = "/js";
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internal const string ClientDebugProxyRequestPathInfo = "/jsdebug";
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public virtual IHttpHandler GetHandler(HttpContext context, string requestType, string url, string pathTranslated) {
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if (context == null) {
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throw new ArgumentNullException("context");
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}
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if (IsClientProxyRequest(context.Request.PathInfo)) {
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// It's a request for client side proxies
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return new RestClientProxyHandler();
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}
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else {
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// The request is an actual call to a server method
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return RestHandler.CreateHandler(context);
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}
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}
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public virtual void ReleaseHandler(IHttpHandler handler) {
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}
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// Detects if this is a request we want to intercept, i.e. invocation or proxy request
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internal static bool IsRestRequest(HttpContext context) {
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return IsRestMethodCall(context.Request) || IsClientProxyRequest(context.Request.PathInfo);
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}
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// Detects if this is a method invocation, i.e. webservice call or page method call
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internal static bool IsRestMethodCall(HttpRequest request) {
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return
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!String.IsNullOrEmpty(request.PathInfo) &&
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(request.ContentType.StartsWith("application/json;", StringComparison.OrdinalIgnoreCase) ||
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string.Equals(request.ContentType, "application/json", StringComparison.OrdinalIgnoreCase));
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}
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internal static bool IsClientProxyDebugRequest(string pathInfo) {
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return string.Equals(pathInfo, ClientDebugProxyRequestPathInfo, StringComparison.OrdinalIgnoreCase);
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}
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internal static bool IsClientProxyRequest(string pathInfo) {
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return (string.Equals(pathInfo, ClientProxyRequestPathInfo, StringComparison.OrdinalIgnoreCase) ||
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IsClientProxyDebugRequest(pathInfo));
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}
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}
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}
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