EclipseLink Core 4.0.2 · org.eclipse.persistence.internal.helper.StringHelper

Field Summary

Access	Constructor and Description
public	StringHelper()

Modifier and Type	Method and Description
public static final boolean	Returns: Value of `true` if @link String} is `null`, is empty (`""`) or contains white spaces only or `false` otherwise isBlank(final String `String` to be checked. str) Checks if `String` is `null`, is empty (`""`) or contains white spaces only.
public static final String	Returns: Provided string when not null or `"null"` `String`. nonNullString(String String to be checked for null and eventually replaced with `"null"` `String`. str) Never return null but replace it with `"null"` `String`.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

CR	back to summary
public static final char CR Carriage return

DOT	back to summary
public static final char DOT Dot.

EMPTY_STRING	back to summary
public static final String EMPTY_STRING Empty `String`.

FF	back to summary
public static final char FF Form feed

LEFT_BRACE	back to summary
public static final char LEFT_BRACE Left brace.

LEFT_BRACKET	back to summary
public static final char LEFT_BRACKET Left bracket.

LF	back to summary
public static final char LF Line feed.

NULL_STRING	back to summary
public static final String NULL_STRING `"null"` `String`.

QUESTION_MARK	back to summary
public static final char QUESTION_MARK Vertical bar.

RIGHT_BRACE	back to summary
public static final char RIGHT_BRACE Right brace.

RIGHT_BRACKET	back to summary
public static final char RIGHT_BRACKET Right bracket.

SPACE	back to summary
public static final char SPACE Space.

TAB	back to summary
public static final char TAB Horizontal tab.

VERTICAL_BAR	back to summary
public static final char VERTICAL_BAR Vertical bar.

StringHelper	back to summary
public StringHelper()

isBlank back to summary

isBlank	back to summary
public static final boolean isBlank(final String str) Checks if `String` is `null`, is empty (`""`) or contains white spaces only. Parameters str:String `String` to be checked. Returns:boolean Value of `true` if @link String} is `null`, is empty (`""`) or contains white spaces only or `false` otherwise

public static final boolean isBlank(final String str)

Checks if String is null, is empty ("") or contains white spaces only.

Parameters

Returns:boolean

Value of true if @link String} is null, is empty ("") or contains white spaces only or false otherwise

nonNullString back to summary

nonNullString	back to summary
public static final String nonNullString(String str) Never return null but replace it with `"null"` `String`. Parameters str:String String to be checked for null and eventually replaced with `"null"` `String`. Returns:String Provided string when not null or `"null"` `String`.

public static final String nonNullString(String str)

Never return null but replace it with "null" String.

Parameters

str:String: String to be checked for null and eventually replaced with "null" String.

Returns:String

Provided string when not null or "null" String.