org.attribyte.util

Class EncodingUtil

java.lang.Object

org.attribyte.util.EncodingUtil

public class EncodingUtil
extends java.lang.Object

Various encoding-related methods.

Author:

Matt Hamer - Attribyte, LLC

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	EncodingUtil.DeflateStrategy Supported Deflate strategies.

Constructor Summary

Constructors

Constructor and Description
EncodingUtil()

Method Summary

Modifier and Type	Method and Description
static byte[]	decodeBase64(java.lang.String s) Decode base64 to bytes.
static byte[]	deflate(byte[] b, EncodingUtil.DeflateStrategy strategy) Applies ZLIB compression.
static byte[]	deflate(byte[] b, int offset, int len, EncodingUtil.DeflateStrategy strategy) Applies ZLIB compression.
static java.lang.String	encodeBase64(byte[] b) Encode bytes as base64.
static byte[]	fromHex(java.lang.String hex) Convert a string of hex to bytes.
static byte[]	inflate(byte[] b) Inflate from ZLIB compression.
static byte[]	inflate(byte[] b, int offset, int len) Inflate from ZLIB compression.
static java.lang.String	toHex(byte[] bytes) Converts bytes to a string of hex.

Methods inherited from class java.lang.Object

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

Constructor Detail

EncodingUtil

public EncodingUtil()

Method Detail

fromHex

public static final byte[] fromHex(java.lang.String hex)

Convert a string of hex to bytes.

Parameters:

hex - The hex string.

Returns:

The bytes.

toHex

public static final java.lang.String toHex(byte[] bytes)

Converts bytes to a string of hex.

Parameters:

bytes - The bytes

Returns:

The bytes as a hex string.

encodeBase64

public static final java.lang.String encodeBase64(byte[] b)

Encode bytes as base64.

Parameters:

b - The bytes.

Returns:

The encoded string.

decodeBase64

public static final byte[] decodeBase64(java.lang.String s)

Decode base64 to bytes.

Parameters:

s - The encoded string.

Returns:

The bytes.

deflate

public static final byte[] deflate(byte[] b,
                                   EncodingUtil.DeflateStrategy strategy)

Applies ZLIB compression.

Parameters:

b - The bytes to deflate.

strategy - The deflate strategy.

Returns:

The deflated bytes.

deflate

public static final byte[] deflate(byte[] b,
                                   int offset,
                                   int len,
                                   EncodingUtil.DeflateStrategy strategy)

Applies ZLIB compression.

Parameters:

b - The bytes to deflate.

offset - The offset.

len - The number of bytes.

strategy - The deflate strategy.

Returns:

The deflated bytes.

inflate

public static final byte[] inflate(byte[] b)

Inflate from ZLIB compression.

Parameters:

b - The bytes to inflate.

Returns:

The inflated bytes.

inflate

public static final byte[] inflate(byte[] b,
                                   int offset,
                                   int len)

Inflate from ZLIB compression.

Parameters:

b - The bytes to inflate.

offset - The offset.

len - The number of bytes.

Returns:

The inflated bytes.