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