2 // System.Web.Services.Protocols.ValueCollectionParameterReader.cs
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5 // Tim Coleman (tim@timcoleman.com)
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6 // Lluis Sanchez Gual (lluis@ximian.com)
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8 // Copyright (C) Tim Coleman, 2002
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12 // Permission is hereby granted, free of charge, to any person obtaining
13 // a copy of this software and associated documentation files (the
14 // "Software"), to deal in the Software without restriction, including
15 // without limitation the rights to use, copy, modify, merge, publish,
16 // distribute, sublicense, and/or sell copies of the Software, and to
17 // permit persons to whom the Software is furnished to do so, subject to
18 // the following conditions:
20 // The above copyright notice and this permission notice shall be
21 // included in all copies or substantial portions of the Software.
23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
32 using System.Collections.Specialized;
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33 using System.Reflection;
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37 namespace System.Web.Services.Protocols {
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38 public abstract class ValueCollectionParameterReader : MimeParameterReader {
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40 ParameterInfo[] parameters;
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42 #region Constructors
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44 protected ValueCollectionParameterReader ()
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48 #endregion // Constructors
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52 public override object GetInitializer (LogicalMethodInfo methodInfo)
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54 if (IsSupported (methodInfo)) return methodInfo.Parameters;
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58 public override void Initialize (object o)
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60 parameters = (ParameterInfo[]) o;
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63 public static bool IsSupported (LogicalMethodInfo methodInfo)
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65 foreach (ParameterInfo param in methodInfo.Parameters)
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66 if (!IsSupported (param)) return false;
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70 public static bool IsSupported (ParameterInfo paramInfo)
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72 Type type = paramInfo.ParameterType;
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73 if (type.IsByRef || paramInfo.IsOut) return false;
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74 if (type.IsArray) return IsSupportedPrimitive (type.GetElementType());
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75 else return IsSupportedPrimitive (type);
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78 internal static bool IsSupportedPrimitive (Type type)
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80 return ( type.IsPrimitive ||
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81 type == typeof(string) ||
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82 type == typeof(DateTime) ||
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83 type == typeof(Decimal)
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87 protected object[] Read (NameValueCollection collection)
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89 object[] res = new object [parameters.Length];
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90 for (int n=0; n<res.Length; n++)
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92 string val = collection [parameters[n].Name];
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93 if (val == null) throw new InvalidOperationException ("Missing parameter: " + parameters[n].Name);
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96 res [n] = StringToObj (parameters[n].ParameterType, val);
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98 catch (Exception ex)
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100 string error = "Cannot convert '" + val + "' to " + parameters[n].ParameterType.FullName + "\n";
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101 error += "Parameter name: " + parameters[n].Name + " --> " + ex.Message;
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102 throw new InvalidOperationException (error);
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107 #endregion // Methods
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