using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Net;
using System.Web;
using System.Web.Services.Description;
using System.CodeDom;
using Microsoft.CSharp;
using System.CodeDom.Compiler;
using System.Reflection;
namespace Yom.Framework.Core
{
public class WebService
{
public static object InvokeWebService(string url, string methodName, object[] args)
{
return InvokeWebService(url, null, methodName, args);
}
public static object InvokeWebService(string url, string className, string methodName, object[] args)
{
string @namespace = "EnterpriseServerBase.WebService.DynamicWebCalling";
if (string.IsNullOrEmpty(className))
{
className = GetWsClassName(url);
}
try
{
WebClient wc = new WebClient();
Stream stream = wc.OpenRead(string.Format("{0}?WSDL", url));
ServiceDescription sd = ServiceDescription.Read(stream);
ServiceDescriptionImporter sdi = new ServiceDescriptionImporter();
sdi.AddServiceDescription(sd, string.Empty, string.Empty);
CodeNamespace cn = new CodeNamespace(@namespace);
CodeCompileUnit ccu = new CodeCompileUnit();
ccu.Namespaces.Add(cn);
sdi.Import(cn, ccu);
CSharpCodeProvider icc = new CSharpCodeProvider();
CompilerParameters cplist = new CompilerParameters();
cplist.GenerateExecutable = false;
cplist.GenerateInMemory = true;
cplist.ReferencedAssemblies.AddRange(new string[] {
"System.dll",
"System.Xml.dll",
"System.Web.Services.dll",
"System.Data.dll"
});
CompilerResults cr = icc.CompileAssemblyFromDom(cplist, ccu);
if (cr.Errors.HasErrors)
{
System.Text.StringBuilder sb = new StringBuilder();
foreach (CompilerError ce in cr.Errors)
{
sb.Append(ce.ToString());
sb.Append(System.Environment.NewLine);
}
throw new Exception(sb.ToString());
}
System.Reflection.Assembly assembly = cr.CompiledAssembly;
Type t = assembly.GetType(string.Format("{0}.{1}", @namespace, className), true, true);
object obj = Activator.CreateInstance(t);
MethodInfo mi = t.GetMethod(methodName);
return mi.Invoke(obj, args);
}
catch (Exception ex)
{
throw ex;
}
}
static string GetWsClassName(string wsURL)
{
string[] parts = wsURL.Split(‘/‘);
return parts[parts.Length - 1].Split(‘.‘)[0];
}
}
}