Package oshi.util

Class Util

java.lang.Object

oshi.util.Util

@ThreadSafe
public final class Util
extends Object

General utility methods

Method Summary

Modifier and Type	Method	Description
static void	freeMemory(com.sun.jna.Pointer p)	If the given Pointer is of class Memory, executes the close method on it to free its native allocation
static boolean	isBlank(String s)	Tests if a String is either null or empty.
static boolean	isBlankOrUnknown(String s)	Tests if a String is either null or empty or the unknown constant.
static boolean	isSessionValid(String user, String device, Long loginTime)	Tests if session of a user logged in a device is valid or not.
static void	sleep(long ms)	Sleeps for the specified number of milliseconds.
static boolean	wildcardMatch(String text, String pattern)	Tests if a String matches another String with a wildcard pattern.

Methods inherited from class java.lang.Object

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

Method Details

sleep

public static void sleep(long ms)

Sleeps for the specified number of milliseconds.

Parameters:

ms - How long to sleep

wildcardMatch

public static boolean wildcardMatch(String text,
 String pattern)

Tests if a String matches another String with a wildcard pattern.

Parameters:

text - The String to test

pattern - The String containing a wildcard pattern where ? represents a single character and * represents any number of characters. If the first character of the pattern is a carat (^) the test is performed against the remaining characters and the result of the test is the opposite.

Returns:

True if the String matches or if the first character is ^ and the remainder of the String does not match.

isBlank

public static boolean isBlank(String s)

Tests if a String is either null or empty.

Parameters:

s - The string to test

Returns:

True if the String is either null or empty.

isBlankOrUnknown

public static boolean isBlankOrUnknown(String s)

Tests if a String is either null or empty or the unknown constant.

Parameters:

s - The string to test

Returns:

True if the String is either null or empty or the unknown constant.

freeMemory

public static void freeMemory(com.sun.jna.Pointer p)

If the given Pointer is of class Memory, executes the close method on it to free its native allocation

Parameters:

p - A pointer

isSessionValid

public static boolean isSessionValid(String user,
 String device,
 Long loginTime)

Tests if session of a user logged in a device is valid or not.

Parameters:

user - The user logged in

device - The device used by user

loginTime - The login time of the user

Returns:

True if Session is valid or False if the user of device is empty or the login time is lesser than zero or greater than current time.