Package snap.util

Class Prefs

java.lang.Object
snap.util.Prefs
public abstract class Prefs extends Object
A platform implementation of preferences.

  • Constructor Details

    • Prefs

      public Prefs()
      Constructor.

  • Method Details

    • getName

      public String getName()
      Returns the name.

    • getValue

      public Object getValue(String aKey)
      Returns a value for given string.

    • getValue

      public abstract Object getValue(String aKey, Object aDefault)
      Returns a value for given string and default.

    • setValue

      public abstract void setValue(String aKey, Object aValue)
      Sets a value for given string.

    • remove

      public void remove(String aKey)
      Removes a value for given key.

    • getString

      public String getString(String aKey)
      Returns a value for given string.

    • getString

      public String getString(String aKey, String aDefault)
      Returns a value for given string and default.

    • getInt

      public int getInt(String aKey, int aDefault)
      Returns an int value for given key.

    • getLong

      public long getLong(String aKey, long aDefault)
      Returns a long value for given key.

    • getDouble

      public double getDouble(String aKey, double aDefault)
      Returns a float value for given key.

    • getBoolean

      public boolean getBoolean(String aKey, boolean aDefault)
      Returns an boolean value for given key.

    • getKeys

      public abstract String[] getKeys()
      Returns the currently set prefs keys.

    • getStringsForKey

      public List<String> getStringsForKey(String aKey)
      Returns a list of strings for key.

    • setStringsForKey

      public void setStringsForKey(List<String> theStrings, String aKey)
      Sets a list of strings for key.

    • addStringForKey

      public void addStringForKey(String aString, String aKey)
      Adds a string for given key.

    • removeStringForKey

      public void removeStringForKey(String aString, String aKey)
      Removes a string for given key.

    • clearStringsForKey

      public void clearStringsForKey(String aKey)
      Clears strings for key.

    • getChild

      public Prefs getChild(String aName)
      Returns a child prefs for given name.

    • flush

      public void flush()
      Updates any persistant store associated with these preferences.

    • clear

      public void clear()
      Clears all the preferences.

    • getDefaultPrefs

      public static Prefs getDefaultPrefs()
      Returns the default prefs.

    • setDefaultPrefs

      public static void setDefaultPrefs(Prefs thePrefs)
      Sets the default preferences instance.

    • getPrefsForName

      public static Prefs getPrefsForName(String aName)
      Returns the preferences for given node name.

    • getFake

      public static Prefs getFake()
      Returns a prefs instance that doesn't do anything.