loci.formats.codec

Class Base64Codec

java.lang.Object

loci.formats.codec.BaseCodec

loci.formats.codec.Base64Codec

All Implemented Interfaces:

Codec

public class Base64Codec
extends BaseCodec

Implements encoding (compress) and decoding (decompress) methods for Base64. This code was adapted from the Jakarta Commons Codec source, http://jakarta.apache.org/commons

Author:

Melissa Linkert melissa at glencoesoftware.com

Field Summary

Fields

Modifier and Type	Field and Description
private static byte[]	base64Alphabet
private static byte[]	lookupBase64Alphabet
private static byte	PAD

Fields inherited from class loci.formats.codec.BaseCodec

LOGGER

Constructor Summary

Constructors

Constructor and Description
Base64Codec()

Method Summary

Modifier and Type	Method and Description
byte[]	compress(byte[] input, CodecOptions options) Compresses a block of data.
byte[]	decompress(loci.common.RandomAccessInputStream in, CodecOptions options) Decompresses data from the given RandomAccessInputStream.

Methods inherited from class loci.formats.codec.BaseCodec

compress, decompress, decompress, decompress, decompress, test

Methods inherited from class java.lang.Object

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

Field Detail

PAD

private static final byte PAD

See Also:

Constant Field Values

base64Alphabet

private static byte[] base64Alphabet

lookupBase64Alphabet

private static byte[] lookupBase64Alphabet

Constructor Detail

Base64Codec

public Base64Codec()

Method Detail

compress

public byte[] compress(byte[] input,
                       CodecOptions options)
                throws FormatException

Description copied from interface: Codec

Compresses a block of data.

Parameters:

input - The data to be compressed.

options - Options to be used during compression, if appropriate.

Returns:

The compressed data.

Throws:

FormatException - If input is not a compressed data block of the appropriate type.

decompress

public byte[] decompress(loci.common.RandomAccessInputStream in,
                         CodecOptions options)
                  throws FormatException,
                         IOException

Description copied from interface: Codec

Decompresses data from the given RandomAccessInputStream.

Specified by:

decompress in interface Codec

Specified by:

decompress in class BaseCodec

Parameters:

in - The stream from which to read compressed data.

options - Options to be used during decompression.

Returns:

The decompressed data.

Throws:

FormatException - If data is not valid compressed data for this decompressor.

IOException