org.crsh.util
Class BlankSequence

java.lang.Object
  org.crsh.util.BlankSequence

All Implemented Interfaces:

Serializable, CharSequence

public class BlankSequence

extends Object

implements CharSequence, Serializable

An immutable sequence of white spaces.

See Also:

Serialized Form

CACHE

private static final BlankSequence[] CACHE

.

length

private final int length

.

value

private String value

.

BlankSequence

private BlankSequence(int length)
               throws IllegalArgumentException

Build a new blank sequence.

Parameters:

length - the length

Throws:

IllegalArgumentException - when length is negative

create

public static BlankSequence create(int length)

length

public int length()

Specified by:

length in interface CharSequence

charAt

public char charAt(int index)

Specified by:

charAt in interface CharSequence

subSequence

public CharSequence subSequence(int start,
                                int end)

Specified by:

subSequence in interface CharSequence

toString

public String toString()

Specified by:

toString in interface CharSequence

Overrides:

toString in class Object

checkIndex

private void checkIndex(String name,
                        int index)