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Home -> Cog -> Distribution -> 1.1 -> Api-new -> Org -> Globus -> Util

org.globus.util
Class Util

java.lang.Object
  |
  +--org.globus.util.Util

public class Util

extends Object

Constructor Summary

Util()

Method Summary

static String	decode(String s) The function decodes URL-encoded strings into a regular string.
static boolean	destroy(File file) Overwrites the contents of the file with a random string and then deletes the file.
static boolean	destroy(String file) Overwrites the contents of the file with a random string and then deletes the file.
static String	formatTimeSec(long time) Generates string representation of given time specified as long.
static String	getInput(String prompt) Displays a prompt and then reads in the input from System.in.
static String	getLocalHostAddress() Returns the ip address of the local machine.
static String	quote(String str) Quotifies a specified string.
static boolean	setFilePermissions(String file, int mode) Sets permissions on a given file.
static String	unquote(String str) Dequotifies a specified string.

Methods inherited from class java.lang.Object

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

Constructor Detail

Util

public Util()

Method Detail

setFilePermissions

public static boolean setFilePermissions(String file,
                                         int mode)

Sets permissions on a given file. The permissions are set using the chmod command and will only work on Unix machines. Chmod command must be in the path.

Parameters:

file - the file to set the permissions of.

mode - the Unix style permissions.

Returns:

true, if change was successful, otherwise false. It can return false, in many instances, e.g. when file does not exits, when chmod is not found, or other error occurs.

destroy

public static boolean destroy(String file)

Overwrites the contents of the file with a random string and then deletes the file.

Parameters:

file - file to remove

destroy

public static boolean destroy(File file)

Overwrites the contents of the file with a random string and then deletes the file.

Parameters:

file - file to remove

getInput

public static String getInput(String prompt)

Displays a prompt and then reads in the input from System.in.

Parameters:

prompt - the prompt to be displayed

Returns:

String the input read in (entered after the prompt)

quote

public static String quote(String str)

Quotifies a specified string. The entire string is encompassed by double quotes and each " is replaced with \", \ is replaced with \\.

Parameters:

str - the string to quotify

Returns:

quotified and escaped string

unquote

public static String unquote(String str)
                      throws Exception

Dequotifies a specified string. The quotes are removed and each \" is replaced with " and each \\ is replaced with \.

Parameters:

str - the string to dequotify.

Returns:

unquotified string.

decode

public static String decode(String s)

The function decodes URL-encoded strings into a regular string. This function is mostly copied from the Java source code. To convert to a String, each character is examined in turn:

• The remaining characters are represented by 3-character strings which begin with the percent sign, "%xy", where xy is the two-digit hexadecimal representation of the lower 8-bits of the character.

formatTimeSec

public static String formatTimeSec(long time)

Generates string representation of given time specified as long. The format is: [days][,][h][,][min][,][sec]

getLocalHostAddress

public static String getLocalHostAddress()

Returns the ip address of the local machine. If the 'ip' system property is defined it is returned, otherwise, the local ip address is lookup using the InetAddress class. In case the lookup fails, the address 127.0.0.1 is returned.

Returns:

local ip address