1 files changed, 60 insertions, 0 deletions

diff --git a/Common-Source/XmlRpcCS/XmlRpcExposedAttribute.cs b/Common-Source/XmlRpcCS/XmlRpcExposedAttribute.cs
new file mode 100644
index 0000000..67b27ae
--- /dev/null
+++ b/Common-Source/XmlRpcCS/XmlRpcExposedAttribute.cs
@@ -0,0 +1,60 @@
+namespace Nwc.XmlRpc

+{

+    using System;

+    using System.Reflection;

+

+    /// <summary>

+    /// Simple tagging attribute to indicate participation is XML-RPC exposure.

+    /// </summary>

+    /// <remarks>

+    /// If present at the class level it indicates that this class does explicitly 

+    /// expose methods. If present at the method level it denotes that the method

+    /// is exposed.

+    /// </remarks>

+    [AttributeUsage(

+          AttributeTargets.Class | AttributeTargets.Method,

+          AllowMultiple = false,

+          Inherited = true

+      )]

+    public class XmlRpcExposedAttribute : Attribute

+    {

+        /// <summary>Check if <paramref>obj</paramref> is an object utilizing the XML-RPC exposed Attribute.</summary>

+        /// <param name="obj"><c>Object</c> of a class or method to check for attribute.</param>

+        /// <returns><c>Boolean</c> true if attribute present.</returns>

+        public static Boolean ExposedObject(Object obj)

+        {

+            return IsExposed(obj.GetType());

+        }

+

+        /// <summary>Check if <paramref>obj</paramref>.<paramref>methodName</paramref> is an XML-RPC exposed method.</summary>

+        /// <remarks>A method is considered to be exposed if it exists and, either, the object does not use the XmlRpcExposed attribute,

+        /// or the object does use the XmlRpcExposed attribute and the method has the XmlRpcExposed attribute as well.</remarks>

+        /// <returns><c>Boolean</c> true if the  method is exposed.</returns>

+        public static Boolean ExposedMethod(Object obj, String methodName)

+        {

+            Type type = obj.GetType();

+            MethodInfo method = type.GetMethod(methodName);

+

+            if (method == null)

+                throw new MissingMethodException("Method " + methodName + " not found.");

+

+            if (!IsExposed(type))

+                return true;

+

+            return IsExposed(method);

+        }

+

+        /// <summary>Check if <paramref>mi</paramref> is XML-RPC exposed.</summary>

+        /// <param name="mi"><c>MemberInfo</c> of a class or method to check for attribute.</param>

+        /// <returns><c>Boolean</c> true if attribute present.</returns>

+        public static Boolean IsExposed(MemberInfo mi)

+        {

+            foreach (Attribute attr in mi.GetCustomAttributes(true))

+            {

+                if (attr is XmlRpcExposedAttribute)

+                    return true;

+            }

+            return false;

+        }

+    }

+}