Package cdc.prefs.file

Class FilePreferences

java.lang.Object

java.util.prefs.Preferences

java.util.prefs.AbstractPreferences

cdc.prefs.file.FilePreferences

public class FilePreferences
extends AbstractPreferences

Preferences implementation that stores data to a user defined file.

This is an adaptation of public domain code developed by David C., that can be found here.

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

Constructor Summary

Constructors

Constructor	Description
FilePreferences(AbstractPreferences parent, String name)

Method Summary

Modifier and Type	Method	Description
protected String[]	childrenNamesSpi()
protected FilePreferences	childSpi(String name)
protected void	flushSpi()
protected String	getSpi(String key)
protected String[]	keysSpi()
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, get, getBoolean, getByteArray, getChild, getDouble, getFloat, getInt, getLong, isRemoved, isUserNode, keys, name, node, nodeExists, parent, put, 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

Constructor Details

FilePreferences

public FilePreferences(AbstractPreferences parent,
 String name)

Method Details

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

removeNodeSpi

protected void removeNodeSpi()
                      throws BackingStoreException

Specified by:

removeNodeSpi in class AbstractPreferences

Throws:

BackingStoreException

keysSpi

protected String[] keysSpi()

Specified by:

keysSpi in class AbstractPreferences

childrenNamesSpi

protected String[] childrenNamesSpi()

Specified by:

childrenNamesSpi in class AbstractPreferences

childSpi

protected FilePreferences childSpi(String name)

Specified by:

childSpi in class AbstractPreferences

syncSpi

protected void syncSpi()
                throws BackingStoreException

Specified by:

syncSpi in class AbstractPreferences

Throws:

BackingStoreException

flushSpi

protected void flushSpi()
                 throws BackingStoreException

Specified by:

flushSpi in class AbstractPreferences

Throws:

BackingStoreException