com.hazelcast.util

Class StringUtil

java.lang.Object

com.hazelcast.util.StringUtil

public final class StringUtil
extends Object

Utility class for Strings.

Field Summary

Fields

Modifier and Type	Field and Description
static Charset	UTF8_CHARSET UTF-8 Charset

Method Summary

Methods

Modifier and Type	Method and Description
static String	bytesToString(byte[] bytes) Creates a UTF8_CHARSET string from a byte array.
static String	bytesToString(byte[] bytes, int offset, int length) Creates a UTF8_CHARSET string from a byte array.
static String	getLineSeperator() Returns system property "line.seperator"
static boolean	isNullOrEmpty(String s) Checks if a string is empty or not.
static boolean	isNullOrEmptyAfterTrim(String s) Checks if a string is empty or not after trim operation
static String	lowerCaseInternal(String s) HC specific settings, operands etc.
static byte[]	stringToBytes(String s) Creates a byte array from a string.
static String	upperCaseInternal(String s) HC specific settings, operands etc.

Methods inherited from class java.lang.Object

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

Field Detail

UTF8_CHARSET

public static final Charset UTF8_CHARSET

UTF-8 Charset

Method Detail

bytesToString

public static String bytesToString(byte[] bytes,
                   int offset,
                   int length)

Creates a UTF8_CHARSET string from a byte array.

Parameters:

bytes - the byte array.

offset - the index of the first byte to decode

length - the number of bytes to decode

Returns:

the string created from the byte array.

bytesToString

public static String bytesToString(byte[] bytes)

Creates a UTF8_CHARSET string from a byte array.

Parameters:

bytes - the byte array.

Returns:

the string created from the byte array.

stringToBytes

public static byte[] stringToBytes(String s)

Creates a byte array from a string.

Parameters:

s - the string.

Returns:

the byte array created from the string.

isNullOrEmpty

public static boolean isNullOrEmpty(String s)

Checks if a string is empty or not.

Parameters:

s - the string to check.

Returns:

true if the string is null or empty, false otherwise

isNullOrEmptyAfterTrim

public static boolean isNullOrEmptyAfterTrim(String s)

Checks if a string is empty or not after trim operation

Parameters:

s - the string to check.

Returns:

true if the string is null or empty, false otherwise

upperCaseInternal

public static String upperCaseInternal(String s)

HC specific settings, operands etc. use this method. Creates an uppercase string from the given string.

Parameters:

s - the given string

Returns:

an uppercase string, or null/empty if the string is null/empty

lowerCaseInternal

public static String lowerCaseInternal(String s)

HC specific settings, operands etc. use this method. Creates a lowercase string from the given string.

Parameters:

s - the given string

Returns:

a lowercase string, or null/empty if the string is null/empty

getLineSeperator

public static String getLineSeperator()

Returns system property "line.seperator"

Returns:

line seperator for the specific OS