io.github.joealisson.mmocore

Class WritablePacket<T extends Client<Connection<T>>>

java.lang.Object

io.github.joealisson.mmocore.WritablePacket<T>

public abstract class WritablePacket<T extends Client<Connection<T>>>
extends java.lang.Object

This class represents a Packet that can be sent to clients. All data sent must have a header with 2 bytes and an optional payload. The first and second bytes is a 16 bits integer holding the size of the packet.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	WritablePacket()

Method Summary

Modifier and Type	Method and Description
protected int	size(T client)
java.lang.String	toString()
protected abstract boolean	write(T client, java.nio.ByteBuffer buffer) Writes the data into the packet
protected void	writeSizedString(java.lang.CharSequence text, java.nio.ByteBuffer buffer) Write String to the buffer preceded by a short 16 bit with String length and no null termination.
protected void	writeString(java.lang.CharSequence text, java.nio.ByteBuffer buffer) Write a String to the buffer with a null termination (\000).

Methods inherited from class java.lang.Object

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

Constructor Detail

WritablePacket

protected WritablePacket()

Method Detail

writeString

protected final void writeString(java.lang.CharSequence text,
                                 java.nio.ByteBuffer buffer)

Write a String to the buffer with a null termination (\000). Each character is a 16bit char

Parameters:

text - to be written

buffer - where the text will be written

writeSizedString

protected final void writeSizedString(java.lang.CharSequence text,
                                      java.nio.ByteBuffer buffer)

Write String to the buffer preceded by a short 16 bit with String length and no null termination. Each character is a 16bit char.

Parameters:

text - to be written

buffer - where the text will be written

size

protected int size(T client)

Parameters:

client - the client

Returns:

the packet size

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

write

protected abstract boolean write(T client,
                                 java.nio.ByteBuffer buffer)

Writes the data into the packet

Parameters:

client - client to send data

buffer - buffer to write data to

Returns:

the packet was written successful