public LoginCommand(UserInfo userInfo)
: base(CommandType.Login)
{
Contract.Requires(userInfo != null);
UserInfo = userInfo;
}
public UserStateCommand(UserInfo userInfo, string userState)
: base(CommandType.UserState)
{
Contract.Requires(userInfo != null);
Contract.Requires(userState != null);
UserInfo = userInfo;
UserState = userState;
}
public TextMessageCommand(UserInfo from, UserInfo to, string message)
: base(CommandType.TextMessage)
{
Contract.Requires(from != null);
Contract.Requires(to != null);
Contract.Requires(message != null);
From = from;
To = to;
Message = message;
}
/// <summary>
/// Static helper method that reads command from dynamic xml wrapper.
/// </summary>
private static Command ReadCommand(CommandType commandType, dynamic dynamicElement)
{
switch (commandType)
{
case CommandType.Login:
{
string name = dynamicElement.command.userInfo.name;
var userInfo = new UserInfo(name);
return new LoginCommand(userInfo); ;
}
case CommandType.Ack:
long messageId = dynamicElement.command.messageId;
return new AckCommand(messageId);
case CommandType.UserState:
{
string userName = dynamicElement.command.userInfo.name;
var userInfo = new UserInfo(userName);
string userState = dynamicElement.command.userState;
return new UserStateCommand(userInfo, userState);
}
case CommandType.TextMessage:
{
string from = dynamicElement.command.from.userInfo.name;
string to = dynamicElement.command.to.userInfo.name;
string message = dynamicElement.command.textMessage;
return new TextMessageCommand(new UserInfo(from),
new UserInfo(to), message);
}
break;
default:
throw new InvalidOperationException("Unsupported command type: " + commandType);
}
}
public FullUserInfo(UserInfo userInfo)
{
Contract.Requires(userInfo != null);
UserInfo = userInfo;
UserState = "Disconnected";
}