Package lazyj

Class Utils.Base64Coder

java.lang.Object

java.util.prefs.Preferences

java.util.prefs.AbstractPreferences

lazyj.Utils.Base64Coder

Enclosing class:

Utils

public static class Utils.Base64Coder
extends AbstractPreferences

Since:

Nov 6, 2010

Author:

costing (original code from a Sun forum thread that was removed in the mean time)

Field Summary

Fields inherited from class java.util.prefs.AbstractPreferences

lock, newNode

Fields inherited from class java.util.prefs.Preferences

MAX_KEY_LENGTH, MAX_NAME_LENGTH, MAX_VALUE_LENGTH

Method Summary

Modifier and Type	Method	Description
protected String[]	childrenNamesSpi()
protected AbstractPreferences	childSpi(String name)
static byte[]	decode(String base64String)	Given a String containing a Base64 representation, return the corresponding byte array.
static String	encode(byte[] b)	Given a byte array, return its Base64 representation as a String.
protected void	flushSpi()
String	get(String key, String def)
protected String	getSpi(String key)
protected String[]	keysSpi()
void	put(String key, String value)
protected void	putSpi(String key, String value)
protected void	removeNodeSpi()
protected void	removeSpi(String key)
protected void	syncSpi()

Methods inherited from class java.util.prefs.AbstractPreferences

absolutePath, addNodeChangeListener, addPreferenceChangeListener, cachedChildren, childrenNames, clear, exportNode, exportSubtree, flush, getBoolean, getByteArray, getChild, getDouble, getFloat, getInt, getLong, isRemoved, isUserNode, keys, name, node, nodeExists, parent, putBoolean, putByteArray, putDouble, putFloat, putInt, putLong, remove, removeNode, removeNodeChangeListener, removePreferenceChangeListener, sync, toString

Methods inherited from class java.util.prefs.Preferences

importPreferences, systemNodeForPackage, systemRoot, userNodeForPackage, userRoot

Methods inherited from class java.lang.Object

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

Method Details

encode

public static String encode(byte[] b)

Given a byte array, return its Base64 representation as a String.

Parameters:

b -

Returns:

encoded bytes

decode

public static byte[] decode(String base64String)

Given a String containing a Base64 representation, return the corresponding byte array.

Parameters:

base64String -

Returns:

decoded bytes

get

public String get(String key,
 String def)

Overrides:

get in class AbstractPreferences

put

public void put(String key,
 String value)

Overrides:

put in class AbstractPreferences

childSpi

protected AbstractPreferences childSpi(String name)

Specified by:

childSpi in class AbstractPreferences

putSpi

protected void putSpi(String key,
 String value)

Specified by:

putSpi in class AbstractPreferences

getSpi

protected String getSpi(String key)

Specified by:

getSpi in class AbstractPreferences

removeSpi

protected void removeSpi(String key)

Specified by:

removeSpi in class AbstractPreferences

keysSpi

protected String[] keysSpi()
                    throws BackingStoreException

Specified by:

keysSpi in class AbstractPreferences

Throws:

BackingStoreException

childrenNamesSpi

protected String[] childrenNamesSpi()
                             throws BackingStoreException

Specified by:

childrenNamesSpi in class AbstractPreferences

Throws:

BackingStoreException

syncSpi

protected void syncSpi()
                throws BackingStoreException

Specified by:

syncSpi in class AbstractPreferences

Throws:

BackingStoreException

removeNodeSpi

protected void removeNodeSpi()
                      throws BackingStoreException

Specified by:

removeNodeSpi in class AbstractPreferences

Throws:

BackingStoreException

flushSpi

protected void flushSpi()
                 throws BackingStoreException

Specified by:

flushSpi in class AbstractPreferences

Throws:

BackingStoreException