org.basex.fs
Class FSCmd

java.lang.Object
  org.basex.fs.FSCmd

Direct Known Subclasses:

Cat, Cd, Cp, Du, Exec, Help, Locate, Ls, Mkdir, Pwd, Rm, Touch

public abstract class FSCmd
extends java.lang.Object

Defines common methods for file system commands. The implementing class names are supposed to equal the command names (case sensitivity doesn't matter)

Author:

Workgroup DBIS, University of Konstanz 2005-08, ISC License, Hannes Schwarz - Hannes.Schwarz@gmail.com

Constructor Summary

FSCmd()

Method Summary

abstract void	args(java.lang.String args) Checks the command line arguments.
void	context(Context ctx) Sets the query context.
abstract void	exec(PrintOutput out) Executes the command..
static FSCmd	get(Commands.CmdFS cmd) Returns an instance for the specified command.

Methods inherited from class java.lang.Object

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

Constructor Detail

FSCmd

public FSCmd()

Method Detail

get

public static FSCmd get(Commands.CmdFS cmd)

Returns an instance for the specified command.

Parameters:

cmd - command

Returns:

command

context

public final void context(Context ctx)

Sets the query context.

Parameters:

ctx - data context

args

public abstract void args(java.lang.String args)
                   throws FSException

Checks the command line arguments.

Parameters:

args - command line arguments

Throws:

FSException - file system exception

exec

public abstract void exec(PrintOutput out)
                   throws java.io.IOException

Executes the command..

Parameters:

out - output stream

Throws:

java.io.IOException - in case of problems with the PrintOutput