com.denova.runtime
Class WindowsCommands

java.lang.Object
  |
  +--com.denova.runtime.WindowsCommands

All Implemented Interfaces:

WindowsConstants

public class WindowsCommands

extends java.lang.Object

implements WindowsConstants

Provides access to the system path, setting permissons, etc.

Author:

DeNova
Copyright © 1997-2008 DeNova
All rights reserved worldwide.

Field Summary

Fields inherited from interface com.denova.runtime.WindowsConstants

AddRegistryEntry, AllUsers, AppendRegistryEntry, BinaryType, CurrentUser, DeleteRegistryEntry, DesktopSpecFilename, DirectoryResultsFilename, DWordType, EnumKeyRegistryEntry, EnumValueRegistryEntry, EnvOutputFilename, ExistsRegistryEntry, FreeDiskSpaceResultsFilename, InvokerFilename, MenuSpecFilename, NtResultsFilename, PathOutputFilename, PrependRegistryEntry, QueryRegistryEntry, RegistryResultsFilename, RegistrySpecFilename, ReplaceRegistryEntry, ShortnameFilename, StringType, WindowsAddDesktop, WindowsAddProgramsMenu, WindowsAddStartupMenu, WindowsAppDataCommand, WindowsCmdLogFilename, WindowsCommandsFilename, WindowsDelDesktop, WindowsDelProgramsMenu, WindowsDelStartupMenu, WindowsDesktopCommand, WindowsDesktopDirCommand, WindowsDirCommand, WindowsEnvVariableCommand, WindowsFreeDiskSpaceCommand, WindowsMenusDirCommand, WindowsNtCommand, WindowsPathCommand, WindowsPathShortenerCommand, WindowsProgramManagerDirCommand, WindowsProgramsMenuCommand, WindowsRegistryEditorCommand, WindowsStartupMenuCommand, WindowsStartupMenusDirCommand

Constructor Summary

WindowsCommands()

Method Summary

static boolean	changePermissions(java.lang.String filename, java.util.List args) Change the permissions on a file using attrib.
static java.lang.String	getAncientShortPath(java.lang.String path) Get the Windows short name for a file or directory.
static java.lang.String[]	getEnvironment() Get the environment.
static java.lang.String	getEnvVariable(java.lang.String variable) Get the value of the environment variable.
static java.lang.Long	getFreeDiskSpace(java.lang.String rootPath) Get the free space on the drive.
static java.lang.String	getSystemPath() Get the system's path.
static void	main(java.lang.String[] args)

Methods inherited from class java.lang.Object

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

Constructor Detail

WindowsCommands

public WindowsCommands()

Method Detail

getSystemPath

public static java.lang.String getSystemPath()

Get the system's path.

Returns:

string with the full path or null if unable to obtain path.

getEnvVariable

public static java.lang.String getEnvVariable(java.lang.String variable)

Get the value of the environment variable.

Returns:

string with the value of the environment varialbe.

getEnvironment

public static java.lang.String[] getEnvironment()

Get the environment.

Returns:

the environment or null if unable to obtain it.

changePermissions

public static boolean changePermissions(java.lang.String filename,
                                        java.util.List args)

Change the permissions on a file using attrib. Valid args: +r : Sets the read-only file attribute. -r : Clears the read-only file attribute. +a : Sets the archive file attribute. -a : Clears the archive file attribute. +s : Sets the system file attribute. -s : Clears the system file attribute. +h : Sets the hidden file attribute. -h : Clears the hidden file attribute. /s : Applies attrib and any command-line options to matching files in the current directory and all of its subdirectories. /d : Applies attrib and any command-line options to directories. (only available on XP and 2000)

Parameters:

filename - full path to file.

args - list of stringarguments to attrib.

Returns:

true if successful issuing command. The return value does not tell you if the change permissions worked or not.

getFreeDiskSpace

public static java.lang.Long getFreeDiskSpace(java.lang.String rootPath)

Get the free space on the drive.

Parameters:

rootPath - The drive's top level path.

Returns:

the number of bytes free or -1 if unable to get the information

getAncientShortPath

public static java.lang.String getAncientShortPath(java.lang.String path)

Get the Windows short name for a file or directory.

If short names aren't supported, then returns the original path. If any errors occur while getting the name, returns null.

Parameters:

path - the full path of a file or directory.

Returns:

the short name or null if not successful.

main

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