com.mindbright.util

Class StringUtil

java.lang.Object

com.mindbright.util.StringUtil

public final class StringUtil
extends java.lang.Object

Static utility functions for trimming strings and converting byte counts to strings.

Constructor Summary

Constructors

Constructor and Description
StringUtil()

Method Summary

Methods

Modifier and Type	Method and Description
static java.lang.String	nBytesToString(long nBytes, int digits) Converts a byte count to a readable string with an unit .
static java.lang.String	trimLeft(java.lang.String str) Trims space from the start of a string.
static java.lang.String	trimRight(java.lang.String str) Trims space from the end of a string.

Methods inherited from class java.lang.Object

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

Constructor Detail

StringUtil

public StringUtil()

Method Detail

trimLeft

public static java.lang.String trimLeft(java.lang.String str)

Trims space from the start of a string.

Parameters:

str - string to trim space characters from

Returns:

a new string without any leading space characters

trimRight

public static java.lang.String trimRight(java.lang.String str)

Trims space from the end of a string.

Parameters:

str - string to trim space characters from

Returns:

a new string without any trailing space characters

nBytesToString

public static java.lang.String nBytesToString(long nBytes,
                              int digits)

Converts a byte count to a readable string with an unit . If the byte count contains too many digits the unit is upgraded to Kb, MB, GB or TB until the number fits withing the given number of digits. For example converting 1024 with digits=4 gives "1024 Bytes: but with digits=3 it becomes "1 kB".

Parameters:

nBytes - the byte count to print

digits - how many digits the printout may contain. Note that this count does not include the unit length

Returns:

a formatted string