61 lines
2.5 KiB
C#
61 lines
2.5 KiB
C#
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namespace Nwc.XmlRpc
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{
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using System;
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using System.Reflection;
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/// <summary>
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/// Simple tagging attribute to indicate participation is XML-RPC exposure.
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/// </summary>
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/// <remarks>
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/// If present at the class level it indicates that this class does explicitly
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/// expose methods. If present at the method level it denotes that the method
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/// is exposed.
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/// </remarks>
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[AttributeUsage(
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AttributeTargets.Class | AttributeTargets.Method,
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AllowMultiple = false,
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Inherited = true
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)]
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public class XmlRpcExposedAttribute : Attribute
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{
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/// <summary>Check if <paramref>obj</paramref> is an object utilizing the XML-RPC exposed Attribute.</summary>
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/// <param name="obj"><c>Object</c> of a class or method to check for attribute.</param>
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/// <returns><c>Boolean</c> true if attribute present.</returns>
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public static Boolean ExposedObject(Object obj)
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{
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return IsExposed(obj.GetType());
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}
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/// <summary>Check if <paramref>obj</paramref>.<paramref>methodName</paramref> is an XML-RPC exposed method.</summary>
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/// <remarks>A method is considered to be exposed if it exists and, either, the object does not use the XmlRpcExposed attribute,
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/// or the object does use the XmlRpcExposed attribute and the method has the XmlRpcExposed attribute as well.</remarks>
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/// <returns><c>Boolean</c> true if the method is exposed.</returns>
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public static Boolean ExposedMethod(Object obj, String methodName)
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{
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Type type = obj.GetType();
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MethodInfo method = type.GetMethod(methodName);
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if (method == null)
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throw new MissingMethodException("Method " + methodName + " not found.");
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if (!IsExposed(type))
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return true;
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return IsExposed(method);
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}
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/// <summary>Check if <paramref>mi</paramref> is XML-RPC exposed.</summary>
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/// <param name="mi"><c>MemberInfo</c> of a class or method to check for attribute.</param>
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/// <returns><c>Boolean</c> true if attribute present.</returns>
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public static Boolean IsExposed(MemberInfo mi)
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{
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foreach (Attribute attr in mi.GetCustomAttributes(true))
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{
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if (attr is XmlRpcExposedAttribute)
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return true;
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}
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return false;
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}
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}
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}
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