org.eclipse.californium.scandium.dtls

Class SessionId

java.lang.Object

org.eclipse.californium.elements.util.Bytes

org.eclipse.californium.scandium.dtls.SessionId

public final class SessionId
extends org.eclipse.californium.elements.util.Bytes

A session identifier is a value generated by a server that identifies a particular session.

Field Summary

Fields inherited from class org.eclipse.californium.elements.util.Bytes

EMPTY

Constructor Summary

Constructors

Constructor and Description
SessionId()
SessionId(byte[] sessionId) Creates a session identifier based on given bytes.

Method Summary

Methods

Modifier and Type	Method and Description
static SessionId	emptySessionId() Creates a new instance with an empty byte array as the ID.
String	toString() Creates a string representation of this session ID.

Methods inherited from class org.eclipse.californium.elements.util.Bytes

clear, concatenate, concatenate, createBytes, equals, getAsString, getBytes, hashCode, isEmpty, length

Methods inherited from class java.lang.Object

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

Constructor Detail

SessionId

public SessionId()

SessionId

public SessionId(byte[] sessionId)

Creates a session identifier based on given bytes.

Parameters:

sessionId - the bytes constituting the identifier

Throws:

NullPointerException - if the byte array is null

IllegalArgumentException - if the byte array is larger than 255 bytes

Method Detail

emptySessionId

public static SessionId emptySessionId()

Creates a new instance with an empty byte array as the ID.

Returns:

a new (empty) session ID object

toString

public String toString()

Creates a string representation of this session ID.

Overrides:

toString in class org.eclipse.californium.elements.util.Bytes

Returns:

the hexadecimal string representation of the id property value