132 lines
4.0 KiB
C#
132 lines
4.0 KiB
C#
//
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// System.Web.Services.Protocols.ValueCollectionParameterReader.cs
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//
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// Author:
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// Tim Coleman (tim@timcoleman.com)
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// Lluis Sanchez Gual (lluis@ximian.com)
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//
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// Copyright (C) Tim Coleman, 2002
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//
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System.Collections.Specialized;
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using System.Reflection;
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using System.Web;
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using System.Xml;
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namespace System.Web.Services.Protocols {
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public abstract class ValueCollectionParameterReader : MimeParameterReader {
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ParameterInfo[] parameters;
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#region Constructors
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protected ValueCollectionParameterReader ()
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{
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}
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#endregion // Constructors
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#region Methods
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public override object GetInitializer (LogicalMethodInfo methodInfo)
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{
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if (IsSupported (methodInfo)) return methodInfo.Parameters;
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else return null;
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}
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public override void Initialize (object o)
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{
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parameters = (ParameterInfo[]) o;
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}
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public static bool IsSupported (LogicalMethodInfo methodInfo)
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{
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foreach (ParameterInfo param in methodInfo.Parameters)
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if (!IsSupported (param)) return false;
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return true;
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}
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public static bool IsSupported (ParameterInfo paramInfo)
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{
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Type type = paramInfo.ParameterType;
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if (type.IsByRef || paramInfo.IsOut) return false;
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if (type.IsArray) return IsSupportedPrimitive (type.GetElementType());
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else return IsSupportedPrimitive (type);
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}
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internal static bool IsSupportedPrimitive (Type type)
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{
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return ( type.IsPrimitive ||
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type.IsEnum ||
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type == typeof(string) ||
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type == typeof(DateTime) ||
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type == typeof(Decimal)
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);
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}
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protected object[] Read (NameValueCollection collection)
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{
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object[] res = new object [parameters.Length];
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for (int n=0; n<res.Length; n++)
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{
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ParameterInfo pi = parameters [n];
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if (pi.ParameterType.IsArray) {
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string[] values = collection.GetValues (pi.Name);
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if (values == null)
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throw new InvalidOperationException ("Missing parameter: " + pi.Name);
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Type elemType = pi.ParameterType.GetElementType ();
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Array a = Array.CreateInstance (elemType, values.Length);
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for (int i = 0; i < values.Length; i++) {
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try {
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a.SetValue (StringToObj (elemType, values [i]), i);
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} catch (Exception ex) {
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string error = "Cannot convert '" + values [i] + "' to " + elemType + "\n";
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error += "Parameter name: " + pi.Name + " --> " + ex.Message;
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throw new InvalidOperationException (error);
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}
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}
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res [n] = a;
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} else {
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string val = collection [pi.Name];
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if (val == null)
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throw new InvalidOperationException ("Missing parameter: " + pi.Name);
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try
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{
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res [n] = StringToObj (pi.ParameterType, val);
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}
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catch (Exception ex)
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{
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string error = "Cannot convert '" + val + "' to " + pi.ParameterType + "\n";
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error += "Parameter name: " + pi.Name + " --> " + ex.Message;
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throw new InvalidOperationException (error);
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}
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}
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}
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return res;
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}
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#endregion // Methods
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}
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}
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