2 * Copyright © 2010 Mike Beattie <mike@ethernal.org>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License.
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
18 package org.altusmetrum.altoslib_4;
22 public interface AltosPreferencesBackend {
24 public String getString(String key, String def);
25 public void putString(String key, String value);
27 public int getInt(String key, int def);
28 public void putInt(String key, int value);
30 public double getDouble(String key, double def);
31 public void putDouble(String key, double value);
33 public boolean getBoolean(String key, boolean def);
34 public void putBoolean(String key, boolean value);
36 public boolean nodeExists(String key);
37 public AltosPreferencesBackend node(String key);
39 public String[] keys();
40 public void remove(String key);
44 public File homeDirectory();