Java > Java SE, EE, ME > java > util > prefs > AbstractPreferences

java.util.prefs
Class AbstractPreferences

java.lang.Object
  java.util.prefs.Preferences
      java.util.prefs.AbstractPreferences

See Also:: Top Examples, Source Code, put(String,String), ThreadLocal, SecurityException, BackingStoreException, get(String,String), flushSpi(), syncSpi(), childrenNamesSpi(), keysSpi(), removeNodeSpi(), childSpi(String), removeSpi(String), putSpi(String,String), getSpi(String)

public String absolutePath()

See Also:: Preferences

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protected AbstractPreferences(AbstractPreferences parent,
                              String name)

See Also:: IllegalArgumentException

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public void addNodeChangeListener(NodeChangeListener ncl)

See Also:: Preferences.addPreferenceChangeListener(PreferenceChangeListener), Preferences.removeNodeChangeListener(NodeChangeListener), Preferences.removeNode()

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public void addPreferenceChangeListener(PreferenceChangeListener pcl)

See Also:: Preferences.addNodeChangeListener(NodeChangeListener), Preferences.removePreferenceChangeListener(PreferenceChangeListener), Preferences.removeNode()

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protected final AbstractPreferences[] cachedChildren()

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public String[] childrenNames()
                       throws BackingStoreException

See Also:: cachedChildren(), removeNode(), IllegalStateException, Preferences, childrenNamesSpi()

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protected abstract String[] childrenNamesSpi()
                                      throws BackingStoreException

See Also:: childrenNames()

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protected abstract AbstractPreferences childSpi(String name)

See Also:: getChild(String), Preferences.MAX_NAME_LENGTH

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public void clear()
           throws BackingStoreException

See Also:: Preferences.removeNode(), removeNode(), IllegalStateException, remove(String), keys()

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public void exportNode(OutputStream os)
                throws IOException,
                       BackingStoreException

See Also:: Preferences.importPreferences(InputStream)

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public void exportSubtree(OutputStream os)
                   throws IOException,
                          BackingStoreException

See Also:: Preferences.exportNode(OutputStream), Preferences.importPreferences(InputStream)

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public void flush()
           throws BackingStoreException

See Also:: Preferences, removeNode()

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protected abstract void flushSpi()
                          throws BackingStoreException

See Also:: flush()

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public String get(String key,
                  String def)

See Also:: NullPointerException, removeNode(), IllegalStateException, Preferences, getSpi(String)

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public boolean getBoolean(String key,
                          boolean def)

See Also:: Preferences.putBoolean(String,boolean), Preferences.get(String,String), NullPointerException, removeNode(), IllegalStateException, String.equalsIgnoreCase(String), get(key, null)

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public byte[] getByteArray(String key,
                           byte[] def)

See Also:: Preferences.putByteArray(String,byte[]), Preferences.get(String,String), NullPointerException, removeNode(), IllegalStateException

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protected AbstractPreferences getChild(String nodeName)
                                throws BackingStoreException

See Also:: childSpi(String), childrenNames(), Preferences.MAX_NAME_LENGTH

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public double getDouble(String key,
                        double def)

See Also:: Preferences.get(String,String), Preferences.putDouble(String,double), NullPointerException, removeNode(), IllegalStateException, Double.parseDouble(String), get(key, null)

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public float getFloat(String key,
                      float def)

See Also:: Preferences.get(String,String), Preferences.putFloat(String,float), NullPointerException, removeNode(), IllegalStateException, Float.parseFloat(String), get(key, null)

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public int getInt(String key,
                  int def)

See Also:: Preferences.get(String,String), Preferences.putInt(String,int), NullPointerException, removeNode(), IllegalStateException, Integer.parseInt(String), get(key, null)

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public long getLong(String key,
                    long def)

See Also:: Preferences.get(String,String), Preferences.putLong(String,long), NullPointerException, removeNode(), IllegalStateException, Long.parseLong(String), get(key, null)

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protected abstract String getSpi(String key)

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protected boolean isRemoved()

See Also:: removeNode()

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public boolean isUserNode()

See Also:: Preferences, Preferences.userRoot()

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public String[] keys()
              throws BackingStoreException

See Also:: removeNode(), IllegalStateException, Preferences, keysSpi()

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protected abstract String[] keysSpi()
                             throws BackingStoreException

See Also:: keys()

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protected final Object lock

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public String name()

See Also:: Preferences

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protected boolean newNode

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public Preferences node(String path)

See Also:: Preferences.flush(), removeNode(), IllegalStateException, IllegalArgumentException, locking invariant, newNode, childSpi(String)

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public boolean nodeExists(String path)
                   throws BackingStoreException

See Also:: removeNode(), IllegalStateException, IllegalArgumentException, Preferences, childSpi(String), getChild(String), node(String)

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public Preferences parent()

See Also:: removeNode(), IllegalStateException

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public void put(String key,
                String value)

See Also:: removeNode(), IllegalStateException, IllegalArgumentException, NullPointerException, Preferences, putSpi(String,String)

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public void putBoolean(String key,
                       boolean value)

See Also:: Preferences.get(String,String), Preferences.getBoolean(String,boolean), removeNode(), IllegalStateException, IllegalArgumentException, NullPointerException, put(String,String), String.valueOf(boolean)

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public void putByteArray(String key,
                         byte[] value)

See Also:: Preferences.get(String,String), Preferences.getByteArray(String,byte[]), removeNode(), IllegalStateException, IllegalArgumentException, NullPointerException

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public void putDouble(String key,
                      double value)

See Also:: Preferences.getDouble(String,double), removeNode(), IllegalStateException, IllegalArgumentException, NullPointerException, put(String,String), Double.toString(double)

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public void putFloat(String key,
                     float value)

See Also:: Preferences.getFloat(String,float), removeNode(), IllegalStateException, IllegalArgumentException, NullPointerException, put(String,String), Float.toString(float)

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public void putInt(String key,
                   int value)

See Also:: Preferences.getInt(String,int), removeNode(), IllegalStateException, IllegalArgumentException, NullPointerException, put(String,String), Integer.toString(int)

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public void putLong(String key,
                    long value)

See Also:: Preferences.getLong(String,long), removeNode(), IllegalStateException, IllegalArgumentException, NullPointerException, put(String,String), Long.toString(long)

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protected abstract void putSpi(String key,
                               String value)

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public void remove(String key)

See Also:: removeNode(), IllegalStateException, Preferences, removeSpi(String)

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public void removeNode()
                throws BackingStoreException

See Also:: Preferences.flush(), UnsupportedOperationException, IllegalStateException, removeNodeSpi(), childSpi(String), childrenNamesSpi()

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public void removeNodeChangeListener(NodeChangeListener ncl)

See Also:: Preferences.addNodeChangeListener(NodeChangeListener)

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protected abstract void removeNodeSpi()
                               throws BackingStoreException

See Also:: removeNode(), Preferences.removeNode()

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public void removePreferenceChangeListener(PreferenceChangeListener pcl)

See Also:: Preferences.addPreferenceChangeListener(PreferenceChangeListener)

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protected abstract void removeSpi(String key)

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public void sync()
          throws BackingStoreException

See Also:: flush(), removeNode(), IllegalStateException, Preferences

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protected abstract void syncSpi()
                         throws BackingStoreException

See Also:: sync()

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public String toString()

See Also:: Preferences

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