/** @return The next command from the user. */
public Command getCommands() {
String inputLine; // will hold the full input line
String word1 = null;
String word2 = null;
System.out.print("> "); // print prompt
inputLine = reader.nextLine();
// Find up to two words on the line.
Scanner tokenizer = new Scanner(inputLine);
if (tokenizer.hasNext()) {
word1 = tokenizer.next(); // get first word
if (tokenizer.hasNext()) {
word2 = tokenizer.next(); // get second word
// note: we just ignore the rest of the input line.
}
}
// Now check whether this word is known. If so, create a command
// with it. If not, create a "null" command (for unknown command).
if (commands.isCommand(word1)) {
return new Command(word1, word2);
} else {
return new Command(null, word2);
}
}
