public IPhonebookCommand GetCommand(string commandString)
{
if (!this.commands.ContainsKey(commandString))
{
IPhonebookCommand command;
switch (commandString)
{
case "AddPhone": command = new AddPhoneCommand(); break;
case "ChangePhone": command = new ChangePhoneCommand(); break;
case "List": command = new ListPhonesCommand(); break;
case "Remove": command = new RemovePhoneCommand(); break;
default: throw new ArgumentException("Invalid command name");
}
this.commands.Add(commandString, command);
}
return this.commands[commandString];
}
public IPhonebookCommand GetCommand(string commandString)
{
if (!this.commands.ContainsKey(commandString))
{
IPhonebookCommand command;
switch (commandString)
{
case "AddPhone": command = new AddPhoneCommand(); break;
case "ChangePhone": command = new ChangePhoneCommand(); break;
case "List": command = new ListPhonesCommand(); break;
case "Remove": command = new RemovePhoneCommand(); break;
default: throw new ArgumentException("Invalid command name");
}
this.commands.Add(commandString, command);
}
return(this.commands[commandString]);
}