OperationMessageCollection.cs :  » 2.6.4-mono-.net-core » System.Web » System » Web » Services » Description » C# / CSharp Open Source

// 
// System.Web.Services.Description.OperationMessageCollection.cs
//
// Author:
//   Tim Coleman (tim@timcoleman.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.Web.Services;

namespace System.Web.Services.Description{
  public sealed class OperationMessageCollection : ServiceDescriptionBaseCollection {

    #region Constructors

    internal OperationMessageCollection (Operation operation)
      : base (operation)
    {
    }

    #endregion // Constructors

    #region Properties

    public OperationFlow Flow {
      get { 
        switch (Count) {
        case 1: 
          if (this[0] is OperationInput)
            return OperationFlow.OneWay;
          else
            return OperationFlow.Notification;
        case 2:
          if (this[0] is OperationInput)
            return OperationFlow.RequestResponse;
          else
            return OperationFlow.SolicitResponse;
        }
        return OperationFlow.None;
      }
    }

    public OperationInput Input {
      get { 
        foreach (object message in List)
          if (message is OperationInput)
            return (OperationInput) message;
        return null;
      }
    }
  
    public OperationMessage this [int index] {
      get { return (OperationMessage) List[index]; }
      set { List[index] = value; }
    }

    public OperationOutput Output {
      get { 
        foreach (object message in List)
          if (message is OperationOutput)
            return (OperationOutput) message;
        return null;
      }
    }

    internal OperationFault Fault {
      get { 
        foreach (object message in List)
          if (message is OperationFault)
            return (OperationFault) message;
        return null;
      }
    }

    #endregion // Properties

    #region Methods

    public int Add (OperationMessage operationMessage) 
    {
      Insert (Count, operationMessage);
      return (Count - 1);
    }

    public bool Contains (OperationMessage operationMessage)
    {
      return List.Contains (operationMessage);
    }

    public void CopyTo (OperationMessage[] array, int index) 
    {
      List.CopyTo (array, index);
    }

    internal OperationMessage Find (string name)
    {
      foreach (OperationMessage m in List)
        if (m.Name == name)
          return m;
      return null;
    }

    public int IndexOf (OperationMessage operationMessage)
    {
      return List.IndexOf (operationMessage);
    }

    public void Insert (int index, OperationMessage operationMessage)
    {
      List.Insert (index, operationMessage);
    }

    protected override void OnInsert (int index, object value)
    {
      if (Count == 0)
        return;
      
      if (Count == 1 && value.GetType() != this[0].GetType())
        return;

        throw new InvalidOperationException ("The operation object can only contain one input and one output message.");
    }

    protected override void OnSet (int index, object oldValue, object newValue)
    {
      if (oldValue.GetType () != newValue.GetType ())
        throw new InvalidOperationException ("The message types of the old and new value are not the same.");
      base.OnSet (index, oldValue, newValue);
    }

    protected override void OnValidate (object value)
    {
      if (value == null)
        throw new ArgumentException("The message object is a null reference.");
      if (!(value is OperationInput || value is OperationOutput))
        throw new ArgumentException ("The message object is not an input or an output message.");
    }
  
    public void Remove (OperationMessage operationMessage)
    {
      List.Remove (operationMessage);
    }

    protected override void SetParent (object value, object parent)
    {
      ((OperationMessage) value).SetParent ((Operation) parent);
    }
      
    #endregion // Methods
  }
}