private void processInteractiveMode(ShellMethods curShell) {
Scanner inputScanner = new Scanner(System.in);
while (!Thread.currentThread().isInterrupted()) {
System.out.print(curShell.getCurrentDirectory() + "$ ");
String instructions = inputScanner.nextLine();
try {
doInstructions(instructions, curShell);
} catch (IOException catchedException) {
System.err.println(catchedException.getMessage());
} catch (ShellInterruptionException catchedException) {
return;
}
}
}
private void executeInstruction(String[] exeInstruction, ShellMethods curShell)
throws IOException, ShellInterruptionException {
if ((exeInstruction.length == 0) || (exeInstruction[0].equals(""))) {
return;
}
BasicCommand exeCommand = curShell.getCommandToExecute(exeInstruction[0]);
if (null == exeCommand) {
throw new IOException("unknown instruction: " + exeInstruction[0]);
}
if (exeInstruction.length > exeCommand.getNumberOfArguments() + 1) {
throw new IOException("too many arguments for " + exeInstruction[0]);
} else if (exeInstruction.length < exeCommand.getNumberOfArguments() + 1) {
throw new IOException("too less arguments for " + exeInstruction[0]);
}
exeCommand.executeCommand(Arrays.copyOfRange(exeInstruction, 1, exeInstruction.length), this);
}
