console

Class DirectoryStack

java.lang.Object

console.DirectoryStack

public class DirectoryStack
extends java.lang.Object

Processes "make entering" and "make leaving" messages, to update the current directory. Uses a stack so it can push and pop previous values.

Constructor Summary

Constructors

Constructor and Description
DirectoryStack()

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.String	current()
boolean	isEmpty()
static void	main(java.lang.String[] args)
java.lang.String	pop()
boolean	processLine(java.lang.String line)
void	push(java.lang.String v)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DirectoryStack

public DirectoryStack()

Method Detail

processLine

public boolean processLine(java.lang.String line)

Returns:

true if the directory has changed (i.e. an entering/leaving message has been encountered

current

public java.lang.String current()

Returns:

the current directory on the top of the stack

push

public void push(java.lang.String v)

isEmpty

public boolean isEmpty()

pop

public java.lang.String pop()

main

public static void main(java.lang.String[] args)