com.googlecode.jinahya.io

Class ByteStreams

java.lang.Object

com.googlecode.jinahya.io.ByteStreams

public class ByteStreams
extends Object

Utilities for InputStreams and OutputStreams.

Author:

Jin Kwon

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ByteStreams() Creates a new instance.

Method Summary

Methods

Modifier and Type	Method and Description
static long	copy(File input, File output, byte[] buffer, long length) Copies bytes from given input file to given output file.
static long	copy(File input, OutputStream output, byte[] buffer, long length) Copies bytes from given input file to given output stream.
static long	copy(InputStream input, File output, byte[] buffer, long length) Copies bytes from given input stream to given output file.
static long	copy(InputStream input, OutputStream output, byte[] buffer, long length) Copies bytes from given input stream to given output stream.

Methods inherited from class java.lang.Object

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

Constructor Detail

ByteStreams

protected ByteStreams()

Creates a new instance.

Method Detail

copy

public static long copy(InputStream input,
        OutputStream output,
        byte[] buffer,
        long length)
                 throws IOException

Copies bytes from given input stream to given output stream.

Parameters:

input - the input stream

output - the output stream

buffer - a buffer

length - the maximum number of bytes to copy; any negative value for all.

Returns:

the actual number of bytes copied.

Throws:

IOException - if an I/O error occurs

copy

public static long copy(File input,
        OutputStream output,
        byte[] buffer,
        long length)
                 throws IOException

Copies bytes from given input file to given output stream.

Parameters:

input - the input file

output - the output stream

buffer - a buffer

length - the maximum number of bytes to copy; any negative for all available bytes.

Returns:

the actual number of bytes copied.

Throws:

IOException - if an I/O error occurs

copy

public static long copy(InputStream input,
        File output,
        byte[] buffer,
        long length)
                 throws IOException

Copies bytes from given input stream to given output file.

Parameters:

input - the input stream

output - the output file

buffer - a buffer

length - the maximum number of bytes to copy; any negative for all available bytes.

Returns:

the actual number of bytes copied.

Throws:

IOException - if an I/O error occurs

copy

public static long copy(File input,
        File output,
        byte[] buffer,
        long length)
                 throws IOException

Copies bytes from given input file to given output file.

Parameters:

input - the input file

output - the output file

buffer - a buffer

length - the maximum number of bytes to copy; any negative for all available bytes.

Returns:

the actual number of bytes copied.

Throws:

IOException - if an I/O error occurs