io.legaldocml.util

Class Strings

java.lang.Object

io.legaldocml.util.Strings

public final class Strings
extends Object

Author:

Jacques Militello

Field Summary

Fields

Modifier and Type	Field and Description
static String	EMPTY Empty String.
static String	NULL ‘null’ String.
static String	SPACE A String for a space character.

Method Summary

Modifier and Type	Method and Description
static boolean	isBlank(CharSequence cs) Checks if a CharSequence is whitespace, empty ("") or null.
static boolean	isEmpty(CharSequence cs) Checks if a CharSequence is empty ("") or null.

Methods inherited from class java.lang.Object

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

Field Detail

EMPTY

public static final String EMPTY

Empty String.

See Also:

Constant Field Values

NULL

public static final String NULL

‘null’ String.

See Also:

Constant Field Values

SPACE

public static final String SPACE

A String for a space character.

See Also:

Constant Field Values

Method Detail

isBlank

public static boolean isBlank(CharSequence cs)

Checks if a CharSequence is whitespace, empty ("") or null.

Strings.isBlank(null)      = true
Strings.isBlank("")        = true
Strings.isBlank(" ")       = true
Strings.isBlank("jacques")     = false
Strings.isBlank("  jacques  ") = false

Parameters:

cs - the CharSequence to check, may be null

Returns:

true if the CharSequence is null, empty or whitespace

isEmpty

public static boolean isEmpty(CharSequence cs)

Checks if a CharSequence is empty ("") or null.

Strings.isEmpty(null)      = true
Strings.isEmpty("")        = true
Strings.isEmpty(" ")       = false
Strings.isEmpty("jacques")     = false
Strings.isEmpty("  jacques  ") = false

Parameters:

cs - the CharSequence to check, may be null.

Returns:

true if the CharSequence is empty or null.