FilePreferences (CDC - Kernel - Prefs 0.23.2 API)

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

All Methods Instance Methods Concrete Methods
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 Detail

FilePreferences

public FilePreferences(AbstractPreferences parent,
                       String name)

Method Detail
- 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