mcs/class/System.Web.Services/System.Web.Services.Description/OperationMessageCollection.cs

   1 // \r
   2 // System.Web.Services.Description.OperationMessageCollection.cs\r
   3 //\r
   4 // Author:\r
   5 //   Tim Coleman (tim@timcoleman.com)\r
   6 //\r
   7 // Copyright (C) Tim Coleman, 2002\r
   8 //\r
   9
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30 \r
  31 using System.Web.Services;\r
  32 \r
  33 namespace System.Web.Services.Description {\r
  34         public sealed class OperationMessageCollection : ServiceDescriptionBaseCollection {\r
  35 \r
  36                 #region Constructors\r
  37 \r
  38                 internal OperationMessageCollection (Operation operation)\r
  39                         : base (operation)\r
  40                 {\r
  41                 }\r
  42 \r
  43                 #endregion // Constructors\r
  44 \r
  45                 #region Properties\r
  46 \r
  47                 public OperationFlow Flow {\r
  48                         get { \r
  49                                 switch (Count) {\r
  50                                 case 1: \r
  51                                         if (this[0] is OperationInput)\r
  52                                                 return OperationFlow.OneWay;\r
  53                                         else\r
  54                                                 return OperationFlow.Notification;\r
  55                                 case 2:\r
  56                                         if (this[0] is OperationInput)\r
  57                                                 return OperationFlow.RequestResponse;\r
  58                                         else\r
  59                                                 return OperationFlow.SolicitResponse;\r
  60                                 }\r
  61                                 return OperationFlow.None;\r
  62                         }\r
  63                 }\r
  64 \r
  65                 public OperationInput Input {\r
  66                         get { \r
  67                                 foreach (object message in List)\r
  68                                         if (message is OperationInput)\r
  69                                                 return (OperationInput) message;\r
  70                                 return null;\r
  71                         }\r
  72                 }\r
  73         \r
  74                 public OperationMessage this [int index] {\r
  75                         get { return (OperationMessage) List[index]; }\r
  76                         set { List[index] = value; }\r
  77                 }\r
  78 \r
  79                 public OperationOutput Output {\r
  80                         get { \r
  81                                 foreach (object message in List)\r
  82                                         if (message is OperationOutput)\r
  83                                                 return (OperationOutput) message;\r
  84                                 return null;\r
  85                         }\r
  86                 }\r
  87 \r
  88                 #endregion // Properties\r
  89 \r
  90                 #region Methods\r
  91 \r
  92                 protected override string GetKey (object value) \r
  93                 {\r
  94                         if (!(value is OperationMessage))\r
  95                                 throw new InvalidCastException ();\r
  96                         return ((OperationMessage) value).Name;\r
  97                 }\r
  98 \r
  99                 public int Add (OperationMessage operationMessage) \r
 100                 {\r
 101                         Insert (Count, operationMessage);\r
 102                         return (Count - 1);\r
 103                 }\r
 104 \r
 105                 public bool Contains (OperationMessage operationMessage)\r
 106                 {\r
 107                         return List.Contains (operationMessage);\r
 108                 }\r
 109 \r
 110                 public void CopyTo (OperationMessage[] array, int index) \r
 111                 {\r
 112                         List.CopyTo (array, index);\r
 113                 }\r
 114 \r
 115                 public int IndexOf (OperationMessage operationMessage)\r
 116                 {\r
 117                         return List.IndexOf (operationMessage);\r
 118                 }\r
 119 \r
 120                 public void Insert (int index, OperationMessage operationMessage)\r
 121                 {\r
 122                         List.Insert (index, operationMessage);\r
 123                 }\r
 124 \r
 125                 protected override void OnInsert (int index, object value)\r
 126                 {\r
 127                         if (Count == 0)\r
 128                                 return;\r
 129                         \r
 130                         if (Count == 1 && value.GetType() != this[0].GetType())\r
 131                                 return;\r
 132 \r
 133                                 throw new InvalidOperationException ("The operation object can only contain one input and one output message.");\r
 134                 }\r
 135 \r
 136                 protected override void OnSet (int index, object oldValue, object newValue)\r
 137                 {\r
 138                         if (oldValue.GetType () != newValue.GetType ())\r
 139                                 throw new InvalidOperationException ("The message types of the old and new value are not the same.");\r
 140                         base.OnSet (index, oldValue, newValue);\r
 141                 }\r
 142 \r
 143                 protected override void OnValidate (object value)\r
 144                 {\r
 145                         if (value == null)\r
 146                                 throw new ArgumentException("The message object is a null reference.");\r
 147                         if (!(value is OperationInput || value is OperationOutput))\r
 148                                 throw new ArgumentException ("The message object is not an input or an output message.");\r
 149                 }\r
 150         \r
 151                 public void Remove (OperationMessage operationMessage)\r
 152                 {\r
 153                         List.Remove (operationMessage);\r
 154                 }\r
 155 \r
 156                 protected override void SetParent (object value, object parent)\r
 157                 {\r
 158                         ((OperationMessage) value).SetParent ((Operation) parent);\r
 159                 }\r
 160                         \r
 161                 #endregion // Methods\r
 162         }\r
 163 }\r