/**
* This class is the main class of the "World of Zuul" application.
* "World of Zuul" is a very simple, text based adventure game.
*
* This class holds an enumeration of all command words known to the game.
* It is used to recognise commands as they are typed in.
*
* @author Naufaliando
* @version 1.0
*/
class CommandWords
{
// a constant array that holds all valid command words
private static final String[] validCommands = {
"go", "quit", "help", "look"
};
/**
* Constructor - initialise the command words.
*/
public CommandWords()
{
// nothing to do at the moment...
}
/**
* Check whether a given String is a valid command word.
* Return true if it is, false if it isn\'t.
*/
public boolean isCommand(String aString)
{
for(int i = 0; i < validCommands.length; i++) {
if(validCommands[i].equals(aString))
return true;
}
//if we get here, the string was not found in the commands
return false;
}
}