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 \r
  10 using System.Web.Services;\r
  11 \r
  12 namespace System.Web.Services.Description {\r
  13         public sealed class OperationMessageCollection : ServiceDescriptionBaseCollection {\r
  14 \r
  15                 #region Fields\r
  16 \r
  17                 Operation operation;\r
  18 \r
  19                 #endregion // Fields\r
  20 \r
  21                 #region Constructors\r
  22 \r
  23                 internal OperationMessageCollection (Operation operation)\r
  24                 {\r
  25                         this.operation = operation; \r
  26                 }\r
  27 \r
  28                 #endregion // Constructors\r
  29 \r
  30                 #region Properties\r
  31 \r
  32                 public OperationFlow Flow {\r
  33                         [MonoTODO ("Verify default return value.")]\r
  34                         get { \r
  35                                 switch (Count) {\r
  36                                 case 1: \r
  37                                         if (this[0] is OperationInput)\r
  38                                                 return OperationFlow.OneWay;\r
  39                                         else\r
  40                                                 return OperationFlow.Notification;\r
  41                                         break;\r
  42                                 case 2:\r
  43                                         if (this[0] is OperationInput)\r
  44                                                 return OperationFlow.RequestResponse;\r
  45                                         else\r
  46                                                 return OperationFlow.SolicitResponse;\r
  47                                         break;\r
  48                                 }\r
  49                                 return OperationFlow.None; // .NET says default is SolicitResponse.  Verify this.\r
  50                         }\r
  51                 }\r
  52 \r
  53                 public OperationInput Input {\r
  54                         get { \r
  55                                 foreach (object message in List)\r
  56                                         if (message is OperationInput)\r
  57                                                 return (OperationInput) message;\r
  58                                 return null;\r
  59                         }\r
  60                 }\r
  61         \r
  62                 public OperationMessage this [int index] {\r
  63                         get { return (OperationMessage) List[index]; }\r
  64                         set { List[index] = value; }\r
  65                 }\r
  66 \r
  67                 public OperationOutput Output {\r
  68                         get { \r
  69                                 foreach (object message in List)\r
  70                                         if (message is OperationOutput)\r
  71                                                 return (OperationOutput) message;\r
  72                                 return null;\r
  73                         }\r
  74                 }\r
  75 \r
  76                 #endregion // Properties\r
  77 \r
  78                 #region Methods\r
  79 \r
  80                 public int Add (OperationMessage operationMessage) \r
  81                 {\r
  82                         Insert (Count, operationMessage);\r
  83                         return (Count - 1);\r
  84                 }\r
  85 \r
  86                 public bool Contains (OperationMessage operationMessage)\r
  87                 {\r
  88                         return List.Contains (operationMessage);\r
  89                 }\r
  90 \r
  91                 public void CopyTo (OperationMessage[] array, int index) \r
  92                 {\r
  93                         List.CopyTo (array, index);\r
  94                 }\r
  95 \r
  96                 public int IndexOf (OperationMessage operationMessage)\r
  97                 {\r
  98                         return List.IndexOf (operationMessage);\r
  99                 }\r
 100 \r
 101                 public void Insert (int index, OperationMessage operationMessage)\r
 102                 {\r
 103                         SetParent (operationMessage, operation);\r
 104                         List.Insert (index, operationMessage);\r
 105                 }\r
 106 \r
 107                 protected override void OnInsert (int index, object value)\r
 108                 {\r
 109                         if (Count > 2 || value.GetType () == this [0].GetType ())\r
 110                                 throw new InvalidOperationException ("The operation object can only contain one input and one output message.");\r
 111                 }\r
 112 \r
 113                 protected override void OnSet (int index, object oldValue, object newValue)\r
 114                 {\r
 115                         if (oldValue.GetType () != newValue.GetType ())\r
 116                                 throw new InvalidOperationException ("The message types of the old and new value are not the same.");\r
 117                         base.OnSet (index, oldValue, newValue);\r
 118                 }\r
 119 \r
 120                 protected override void OnValidate (object value)\r
 121                 {\r
 122                         if (value == null)\r
 123                                 throw new NullReferenceException ("The message object is a null reference.");\r
 124                         if (!(value is OperationInput || value is OperationOutput))\r
 125                                 throw new ArgumentException ("The message object is not an input or an output message.");\r
 126                 }\r
 127         \r
 128                 public void Remove (OperationMessage operationMessage)\r
 129                 {\r
 130                         List.Remove (operationMessage);\r
 131                 }\r
 132 \r
 133                 protected override void SetParent (object value, object parent)\r
 134                 {\r
 135                         ((OperationMessage) value).SetParent ((Operation) parent);\r
 136                 }\r
 137                         \r
 138                 #endregion // Methods\r
 139         }\r
 140 }\r