public abstract void AfterRequest(IRadContext context);
public abstract void BeforeRequest(IRadContext context);
internal static Boolean HandleRequest(IRadContext context)
{
String[] requestSegments = context.Request.Url.Segments.Skip(1).ToArray();
String section = null;
String applicationName = null;
String methodName = null;
WebApplication app = null;
String appKey = null;
int? parameterStartIndex = null;
if (requestSegments.Length == 0)
{
section = "Index";
applicationName = "Home";
methodName = "Index";
parameterStartIndex = null;
}
else if (requestSegments.Length > 2)
{
section = requestSegments[0];
applicationName = requestSegments[1];
methodName = requestSegments[2];
parameterStartIndex = 3;
if (!AppTree.HasSection(section))
{
section = "Index";
applicationName = requestSegments[0];
methodName = requestSegments[1];
parameterStartIndex = 2;
}
if (!AppTree.Contains(section + "." + applicationName))
{
applicationName = "Home";
methodName = requestSegments[0];
parameterStartIndex = 1;
}
}
else if (requestSegments.Length == 2)
{
section = "Index";
applicationName = requestSegments[0];
methodName = requestSegments[1];
parameterStartIndex = null;
if (!AppTree.Contains(section + "." + applicationName))
{
section = "Index";
applicationName = "Home";
methodName = requestSegments[0];
parameterStartIndex = 1;
}
}
else if (requestSegments.Length == 1)
{
section = "Index";
applicationName = "Home";
methodName = requestSegments[0] == "/" ? "Index":requestSegments[0];
parameterStartIndex = null;
}
appKey = section + "." + applicationName;
if (AppTree.Contains(appKey))
{
app = AppTree.GetApplication(appKey);
app.context = context;
List<String> urlParameters = new List<String>();
for (int i = parameterStartIndex ?? requestSegments.Length; i < requestSegments.Length; i++)
{
urlParameters.Add(requestSegments[i]);
}
int numberOfParametersToParse = urlParameters.Count + (context.Request.HttpMethod == "POST" || context.Request.HttpMethod == "PUT" ? 1 : 0);
MethodInfo[] methods = app.GetType().GetMethods().Where(m => m.GetParameters().Length == numberOfParametersToParse && m.Name == methodName).ToArray();
if (methods.Length == 0)
return false;
if (methods.Length > 1)
throw new System.Web.HttpException((int)HttpStatusCode.InternalServerError, methodName + " method overloaded with the same number of parameters, RadMVC currently does not support this. Please rename one of the methods");
MethodInfo method = methods[0];
ParameterInfo[] methodParameters = method.GetParameters();
Object result = null;
List<Object> parameters = new List<Object>();
if (methodParameters.Length > 0)
{
if (context.Request.HttpMethod == "POST" || context.Request.HttpMethod == "PUT")
{
if (context.Request.ContentType.Split(';')[0].ToLower() == "application/json")
{
String jsonString = null;
context.Request.Stream.Seek(0, SeekOrigin.Begin);
jsonString = new StreamReader(context.Request.Stream).ReadToEnd();
Type parameterType = methodParameters[0].ParameterType;
if (parameterType.Name == "RuntimeType")
{
parameters.Add(JSON.ToObject(jsonString));
}
else
{
parameters.Add(JSON.ToObject(jsonString, parameterType));
}
}
}
int methodIndex = -1;
for (int i = parameterStartIndex ?? requestSegments.Length; i < requestSegments.Length; i++)
{
methodIndex = i - (parameterStartIndex ?? 0);
if (methodIndex < methodParameters.Length)
parameters.Add(Convert.ChangeType(requestSegments[i], methodParameters[methodIndex].ParameterType));
}
}
WebAttribute[] methodAttributes = method.GetCustomAttributes<WebAttribute>(true).ToArray();
foreach (WebAttribute att in methodAttributes)
{
att.BeforeRequest(context);
}
result = method.Invoke(app, BindingFlags.InvokeMethod, null, parameters.ToArray(), System.Globalization.CultureInfo.CurrentCulture);
foreach (WebAttribute att in methodAttributes)
{
att.AfterRequest(context);
}
if (result is View)
{
View resultView = (View)result;
resultView.context = context;
context.Response.AddHeader("Content-Type", "text/html");
context.Response.Write(resultView.Render());
context.Response.Flush();
}
else
{
context.Response.AddHeader("Content-Type", "application/json");
MethodInfo toJsonMethod = result.GetType().GetMethod("ToJSON");
if (toJsonMethod != null)
{
context.Response.Write(toJsonMethod.Invoke(result, new Object[] { }) as String);
}
else
{
context.Response.Write(JSON.ToJSON(result));
}
context.Response.Flush();
}
return true;
}
return false;
}
