org.eclipse.californium.elements.util

Class Bytes

java.lang.Object

org.eclipse.californium.elements.util.Bytes

public class Bytes
extends Object

Byte array as key.

Field Summary

Fields

Modifier and Type	Field and Description
static byte[]	EMPTY Empty byte array.

Constructor Summary

Constructors

Constructor and Description
Bytes(byte[] bytes) Create bytes array.
Bytes(byte[] bytes, int maxLength, boolean copy) Create bytes array.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(Object obj)
String	getAsString() Get bytes as (hexadecimal) string.
byte[]	getBytes() Get bytes array.
int	hashCode()
boolean	isEmpty() Check, if connection id is empty.
int	length() Return number of bytes.
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

EMPTY

public static final byte[] EMPTY

Empty byte array.

Constructor Detail

Bytes

public Bytes(byte[] bytes)

Create bytes array.

Parameters:

bytes - bytes (not copied!)

Throws:

NullPointerException - if bytes is null

IllegalArgumentException - if bytes length is larger than 255

Bytes

public Bytes(byte[] bytes,
     int maxLength,
     boolean copy)

Create bytes array.

Parameters:

bytes - bytes

maxLength - maximum length of bytes

copy - true to copy bytes, false to use the provided bytes

Throws:

NullPointerException - if bytes is null

IllegalArgumentException - if bytes length is larger than maxLength

Method Detail

toString

public String toString()

Overrides:

toString in class Object

hashCode

public final int hashCode()

Overrides:

hashCode in class Object

equals

public final boolean equals(Object obj)

Overrides:

equals in class Object

getBytes

public final byte[] getBytes()

Get bytes array.

Returns:

bytes array. Not Copied!

getAsString

public final String getAsString()

Get bytes as (hexadecimal) string.

Returns:

bytes as (hexadecimal) string

isEmpty

public final boolean isEmpty()

Check, if connection id is empty.

Returns:

true, if connection id is empty, false, otherwise

length

public final int length()

Return number of bytes.

Returns:

number of bytes. 0 to 255.