at.ac.fhstp.sonitalk.utils

Class EncoderUtils

java.lang.Object

at.ac.fhstp.sonitalk.utils.EncoderUtils

public class EncoderUtils
extends java.lang.Object

The main part of EncoderUtils is to change the message bytes to bit. Beside that it checks for characters with more bytes and offers a function to check if the number of bytes exceed a specific value.

Constructor Summary

Constructors

Constructor and Description
EncoderUtils()

Method Summary

Modifier and Type	Method and Description
static java.lang.String	changeToBitString(byte[] textToSend) Casts a byte array to bit and checks for characters with more than one byte.
java.lang.String	getStringOfEncodedBits(byte[] textToSend, SoniTalkConfig config) Uses byte array length check and returns the casted bit sequence or Exception.
static boolean	isAllowedByteArraySize(byte[] textToSend, SoniTalkConfig config) Checks if the byte array does not exceed the number of allowed bytes.

Methods inherited from class java.lang.Object

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

Constructor Detail

EncoderUtils

public EncoderUtils()

Method Detail

changeToBitString

public static java.lang.String changeToBitString(byte[] textToSend)

Casts a byte array to bit and checks for characters with more than one byte.

Parameters:

textToSend - text to cast and check

Returns:

bit sequence as string

getStringOfEncodedBits

public java.lang.String getStringOfEncodedBits(byte[] textToSend,
                                               SoniTalkConfig config)

Uses byte array length check and returns the casted bit sequence or Exception.

Parameters:

textToSend - text to check

config - SoniTalkConfig to get number of message blocks

Returns:

casted bit sequence or throws IllegalArgument if size exceeded

isAllowedByteArraySize

public static boolean isAllowedByteArraySize(byte[] textToSend,
                                             SoniTalkConfig config)

Checks if the byte array does not exceed the number of allowed bytes.

Parameters:

textToSend - byte array to check

config - SoniTalkConfig to get number of message blocks

Returns:

boolean depending on the number of bytes