public void ProcessRequest(HttpContext context)
{
this.context = context;
// it's possible to the requestor to be able to handle everything himself, overriding all this implemention
string handleRequest = context.Request["handlerequest"];
if (!string.IsNullOrEmpty(handleRequest) && handleRequest.ToLower() == "true")
{
HandleRequest();
return;
}
var ajaxCall = new AjaxCallSignature(context);
//context.Response.ContentType = string.Empty;
if (!string.IsNullOrEmpty(ajaxCall.returnType))
{
switch (ajaxCall.returnType)
{
case "json":
context.Response.ContentType = "application/json";
break;
case "xml":
context.Response.ContentType = "application/xml";
break;
case "jpg":
case "jpeg":
case "image/jpg":
context.Response.ContentType = "image/jpg";
break;
default:
break;
}
}
// call the requested method
object result = ajaxCall.Invoke(this, context);
// if neither on the arguments or the actual method the content type was set then make sure to use the default content type
if (string.IsNullOrEmpty(context.Response.ContentType) && !SkipContentTypeEvaluation)
{
context.Response.ContentType = DefaultContentType();
}
// only skip transformations if the requestor explicitly said so
if (result == null)
{
context.Response.Write(string.Empty);
}
else if (!SkipDefaultSerialization)
{
switch (context.Response.ContentType.ToLower())
{
case "application/json":
JavaScriptSerializer jsonSerializer = new JavaScriptSerializer();
string json = jsonSerializer.Serialize(result);
context.Response.Write(json);
break;
case "application/xml":
System.Xml.Serialization.XmlSerializer xmlSerializer = new System.Xml.Serialization.XmlSerializer(result.GetType());
StringBuilder xmlSb = new StringBuilder();
System.Xml.XmlWriter xmlWriter = System.Xml.XmlWriter.Create(xmlSb);
xmlSerializer.Serialize(xmlWriter, result);
context.Response.Write(xmlSb.ToString());
break;
case "text/html":
context.Response.Write(result);
break;
default:
throw new Exception(string.Format("Unsuported content type [{0}]", context.Response.ContentType));
}
}
else
{
context.Response.Write(result);
}
}