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-rw-r--r--XmlRpcCS/XmlRpcClientProxy.cs61
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1namespace Nwc.XmlRpc
2{
3 using System;
4 using System.Runtime.Remoting.Proxies;
5 using System.Runtime.Remoting.Messaging;
6
7 /// <summary>This class provides support for creating local proxies of XML-RPC remote objects</summary>
8 /// <remarks>
9 /// To create a local proxy you need to create a local C# interface and then, via <i>createProxy</i>
10 /// associate that interface with a remote object at a given URL.
11 /// </remarks>
12public class XmlRpcClientProxy : RealProxy
13{
14 private String _remoteObjectName;
15 private String _url;
16 private XmlRpcRequest _client = new XmlRpcRequest();
17
18 /// <summary>Factory method to create proxies.</summary>
19 /// <remarks>
20 /// To create a local proxy you need to create a local C# interface with methods that mirror those of the server object.
21 /// Next, pass that interface into <c>createProxy</c> along with the object name and URL of the remote object and
22 /// cast the resulting object to the specifice interface.
23 /// </remarks>
24 /// <param name="remoteObjectName"><c>String</c> The name of the remote object.</param>
25 /// <param name="url"><c>String</c> The URL of the remote object.</param>
26 /// <param name="anInterface"><c>Type</c> The typeof() of a C# interface.</param>
27 /// <returns><c>Object</c> A proxy for your specified interface. Cast to appropriate type.</returns>
28 public static Object createProxy(String remoteObjectName, String url, Type anInterface)
29 {
30 return new XmlRpcClientProxy(remoteObjectName, url, anInterface).GetTransparentProxy();
31 }
32
33 private XmlRpcClientProxy(String remoteObjectName, String url, Type t) : base(t)
34 {
35 _remoteObjectName = remoteObjectName;
36 _url = url;
37 }
38
39 /// <summary>The local method dispatcher - do not invoke.</summary>
40 override public IMessage Invoke(IMessage msg)
41 {
42 IMethodCallMessage methodMessage = (IMethodCallMessage)msg;
43
44 _client.MethodName = _remoteObjectName + "." + methodMessage.MethodName;
45 _client.Params.Clear();
46 foreach (Object o in methodMessage.Args)
47 _client.Params.Add(o);
48
49 try
50 {
51 Object ret = _client.Invoke(_url);
52 return new ReturnMessage(ret,null,0,
53 methodMessage.LogicalCallContext, methodMessage);
54 }
55 catch (Exception e)
56 {
57 return new ReturnMessage(e, methodMessage);
58 }
59 }
60}
61}