//
// System.Web.Services.Protocols.HttpSimpleWebServiceHandler.cs
//
// Author:
// Lluis Sanchez Gual (lluis@ximian.com)
//
// Copyright (C) Ximian, Inc. 2003
//
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Reflection;
using System.IO;
using System.Web.Services;
namespace System.Web.Services.Protocols{
internal class HttpSimpleWebServiceHandler: WebServiceHandler
{
HttpSimpleTypeStubInfo _typeInfo;
HttpSimpleMethodStubInfo method;
public HttpSimpleWebServiceHandler (Type type, string protocolName)
: base (type)
{
_typeInfo = (HttpSimpleTypeStubInfo) TypeStubManager.GetTypeStub (type, protocolName);
}
protected HttpSimpleTypeStubInfo TypeStub
{
get { return _typeInfo; }
}
internal override MethodStubInfo GetRequestMethod (HttpContext context)
{
string name = context.Request.PathInfo;
if (name.StartsWith ("/"))
name = name.Substring (1);
method = (HttpSimpleMethodStubInfo) _typeInfo.GetMethod (name);
if (method == null)
WriteError (context, "Method " + name + " not defined in service " + ServiceType.Name);
return method;
}
public override void ProcessRequest (HttpContext context)
{
Context = context;
Stream respStream = null;
Exception error = null;
try
{
if (method == null)
method = (HttpSimpleMethodStubInfo) GetRequestMethod (context);
if (method.MethodInfo.EnableSession)
Session = context.Session;
MimeParameterReader parameterReader = (MimeParameterReader) method.ParameterReaderType.Create ();
object[] parameters = parameterReader.Read (context.Request);
MimeReturnWriter returnWriter = (MimeReturnWriter) method.ReturnWriterType.Create ();
object result = Invoke (method.MethodInfo, parameters);
respStream = context.Response.OutputStream;
returnWriter.Write (context.Response, respStream, result);
}
catch (Exception ex)
{
error = ex;
}
if (error != null)
WriteError (context, error.ToString ());
if (respStream != null)
respStream.Close ();
}
void WriteError (HttpContext context, string msg)
{
try
{
context.Response.ContentType = "text/plain";
context.Response.StatusCode = 500;
context.Response.Write (msg);
context.Response.End ();
}
catch {}
}
object Invoke (LogicalMethodInfo method, object[] parameters)
{
try
{
object server = CreateServerInstance ();
try {
object[] res = method.Invoke (server, parameters);
if (!method.IsVoid) return res[0];
else return null;
}
finally {
IDisposable disp = server as IDisposable;
if (disp != null)
disp.Dispose();
}
}
catch (TargetInvocationException ex)
{
throw ex.InnerException;
}
}
}
}
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