com.github.jferard.fastods.util

Class FileUtil

java.lang.Object

com.github.jferard.fastods.util.FileUtil

public class FileUtil
extends Object

A helper class to copy files

Constructor Summary

Constructors

Constructor and Description
FileUtil(int bufferSize, int startSize)

Method Summary

Modifier and Type	Method and Description
static FileUtil	create()
byte[]	readFile(File file) Fills a byte array with the content of a file.
byte[]	readStream(InputStream is) Fills a byte array with the content of a stream.
byte[]	readStream(InputStream is, int customStartSize) Fills a byte array with the content of a stream.

Methods inherited from class java.lang.Object

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

Constructor Detail

FileUtil

public FileUtil(int bufferSize,
                int startSize)

Parameters:

bufferSize - the size of the copy buffer

startSize - the initial size of the byte array

Method Detail

create

public static FileUtil create()

Returns:

a new FileUtil

readFile

public byte[] readFile(File file)
                throws IOException

Fills a byte array with the content of a file.

Parameters:

file - the file to read

Returns:

the byte array

Throws:

IOException - if an I/O occurs

readStream

public byte[] readStream(InputStream is)
                  throws IOException

Fills a byte array with the content of a stream.

Parameters:

is - the stream to read

Returns:

the byte array

Throws:

IOException - if an I/O occurs

readStream

public byte[] readStream(InputStream is,
                         int customStartSize)
                  throws IOException

Fills a byte array with the content of a stream.

Parameters:

is - the stream to read

customStartSize - the initial size of the byte array, e.g the length of the file

Returns:

the byte array

Throws:

IOException - if an I/O occurs