77 lines
1.9 KiB
C#
77 lines
1.9 KiB
C#
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using System;
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using System.Collections;
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using System.Reflection;
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using System.Xml;
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namespace BlogServer.XmlRpc
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{
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public class XmlRpcInvoker
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{
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private readonly object _target;
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private readonly IXmlRpcDynamicInvoke _dynamicInvoke;
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private readonly Hashtable _methods;
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public XmlRpcInvoker(object target)
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{
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_target = target;
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_dynamicInvoke = target as IXmlRpcDynamicInvoke;
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_methods = new Hashtable();
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foreach (MethodInfo mi in target.GetType().GetMethods())
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{
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object[] attributes = mi.GetCustomAttributes(typeof (XmlRpcMethodAttribute), true);
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if (attributes.Length > 0)
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{
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XmlRpcMethodAttribute methodAttribute = (XmlRpcMethodAttribute) attributes[0];
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string name = methodAttribute.MethodName;
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if (name == null)
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name = mi.Name;
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if (_methods.ContainsKey(name))
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throw new ArgumentException("Too many implementations for " + name);
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_methods.Add(name, mi);
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}
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}
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}
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public bool Invoke(XmlDocument xmlRpcRequest, out object result)
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{
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string methodName;
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object[] parameters;
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XmlRpcParser.Parse(xmlRpcRequest, out methodName, out parameters);
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MethodInfo mi = (MethodInfo) _methods[methodName];
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if (mi != null)
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{
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ParameterInfo[] parameterInfos = mi.GetParameters();
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for (int i = 0; i < parameters.Length && i < parameterInfos.Length; i++)
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{
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parameters[i] = XmlRpcSerializer.FromXmlRpc(parameters[i], parameterInfos[i].ParameterType);
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}
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object invokeResult;
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try
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{
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invokeResult = mi.Invoke(_target, parameters);
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}
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catch (TargetInvocationException tie)
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{
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throw tie.InnerException;
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}
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result = XmlRpcSerializer.ToXmlRpc(invokeResult);
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return true;
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}
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if (_dynamicInvoke != null)
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{
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if (_dynamicInvoke.Invoke(methodName, parameters, out result))
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{
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result = XmlRpcSerializer.ToXmlRpc(result);
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return true;
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}
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}
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result = null;
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return false;
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}
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}
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}
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