Package net.dv8tion.jda.core.utils

Class IOUtil

java.lang.Object

net.dv8tion.jda.core.utils.IOUtil

public class IOUtil
extends java.lang.Object

Constructor Summary

Constructors

Constructor	Description
IOUtil()

Method Summary

Modifier and Type	Method	Description
static byte[]	readFully(java.io.File file)	Used as an alternate to Java's nio Files.readAllBytes.
static byte[]	readFully(java.io.InputStream stream)	Provided as a simple way to fully read an InputStream into a byte[].

Methods inherited from class java.lang.Object

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

Constructor Detail

IOUtil

public IOUtil()

Method Detail

readFully

public static byte[] readFully(java.io.File file)
                        throws java.io.IOException

Used as an alternate to Java's nio Files.readAllBytes.

This customized version for File is provide (instead of just using readFully(java.io.InputStream) with a FileInputStream) because with a File we can determine the total size of the array and do not need to have a buffer. This results in a memory footprint that is half the size of readFully(java.io.InputStream)

Code provided from Stackoverflow

Parameters:

file - The file from which we should retrieve the bytes from

Returns:

A byte[] containing all of the file's data

Throws:

java.io.IOException - Thrown if there is a problem while reading the file.

readFully

public static byte[] readFully(java.io.InputStream stream)
                        throws java.io.IOException

Provided as a simple way to fully read an InputStream into a byte[].

This method will block until the InputStream has been fully read, so if you provide an InputStream that is non-finite, you're gonna have a bad time.

Parameters:

stream - The Stream to be read.

Returns:

A byte[] containing all of the data provided by the InputStream

Throws:

java.io.IOException - If the first byte cannot be read for any reason other than the end of the file, if the input stream has been closed, or if some other I/O error occurs.