Package org.xbill.DNS.utils

Class base64

java.lang.Object

org.xbill.DNS.utils.base64

public class base64
extends Object

Routines for converting between Strings of base64-encoded data and arrays of binary data.

Field Summary

Fields

Modifier and Type	Field	Description
private static final String	BASE_64
private static final String	BASE_64_URL

Constructor Summary

Constructors

Modifier	Constructor	Description
private	base64()

Method Summary

Modifier and Type	Method	Description
static String	formatString(byte[] b, int lineLength, String prefix, boolean addClose)	Formats data into a nicely formatted base64 encoded String
static byte[]	fromString(String str)	Convert a base64-encoded String to binary data
static String	toString(byte[] b)	Convert binary data to a base64-encoded String
static String	toString(byte[] b, boolean useUrl)	Convert binary data to a base64-encoded String

Methods inherited from class java.lang.Object

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

Field Details

BASE_64

private static final String BASE_64

See Also:

• Constant Field Values

BASE_64_URL

private static final String BASE_64_URL

See Also:

• Constant Field Values

Constructor Details

base64

private base64()

Method Details

toString

public static String toString(byte[] b)

Convert binary data to a base64-encoded String

Parameters:

b - An array containing binary data

Returns:

A String containing the encoded data

toString

public static String toString(byte[] b,
 boolean useUrl)

Convert binary data to a base64-encoded String

Parameters:

b - An array containing binary data

useUrl - True to use Base64URL encoding (i.e. no trailing =, -_ instead of +/)

Returns:

A String containing the encoded data

formatString

public static String formatString(byte[] b,
 int lineLength,
 String prefix,
 boolean addClose)

Formats data into a nicely formatted base64 encoded String

Parameters:

b - An array containing binary data

lineLength - The number of characters per line

prefix - A string prefixing the characters on each line

addClose - Whether to add a close parenthesis or not

Returns:

A String representing the formatted output

fromString

public static byte[] fromString(String str)

Convert a base64-encoded String to binary data

Parameters:

str - A String containing the encoded data

Returns:

An array containing the binary data, or null if the string is invalid