edu.nmu.os.shell
Class CommandLineImpl

java.lang.Object
  |
  +--edu.nmu.os.shell.CommandLineImpl

All Implemented Interfaces:

CommandLine

public class CommandLineImpl

extends java.lang.Object

implements CommandLine

Represents a shell command line

TODO: man page

Since:

jdk1.4

Version:

0.1, Jan 24, 2003 7:16:18 PM

Author:

Matt Murphy

Constructor Summary

CommandLineImpl()
Creates a new CommandLineImpl

CommandLineImpl(java.lang.String s)
Creates a new CommandLineImpl from the given String

Method Summary

void	append(java.lang.String s) Appends the given String to the CommandLine
Command[]	getCommands() Generates Commands from the CommandLine
java.lang.String[]	getUnresolved() Returns the names of any unresolvable programs
boolean	isComplete() Determines whether or not the CommandLine is syntactically complete
boolean	isExit() Determines whether or not the CommandLine should exit the current Shell
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

CommandLineImpl

public CommandLineImpl()

Creates a new CommandLineImpl

CommandLineImpl

public CommandLineImpl(java.lang.String s)

Creates a new CommandLineImpl from the given String

Parameters:

s - the String from which to construct this CommandLineImpl

Method Detail

isComplete

public boolean isComplete()

Description copied from interface: CommandLine

Determines whether or not the CommandLine is syntactically complete

Specified by:

isComplete in interface CommandLine

Returns:

true if it is complete, false otherwise

append

public void append(java.lang.String s)

Description copied from interface: CommandLine

Appends the given String to the CommandLine

Specified by:

append in interface CommandLine

Parameters:

s - the String to be appended

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getCommands

public Command[] getCommands()
                      throws java.io.IOException

Description copied from interface: CommandLine

Generates Commands from the CommandLine

Specified by:

getCommands in interface CommandLine

Returns:

the Commands

java.io.IOException

getUnresolved

public java.lang.String[] getUnresolved()

Description copied from interface: CommandLine

Returns the names of any unresolvable programs

Specified by:

getUnresolved in interface CommandLine

Returns:

the names

isExit

public boolean isExit()

Description copied from interface: CommandLine

Determines whether or not the CommandLine should exit the current Shell

Specified by:

isExit in interface CommandLine

Returns:

true if the ShellImpl should exit, false otherwise