altoslib/altosui: begin moving preferences "backend" into interface

Signed-off-by: Mike Beattie <mike@ethernal.org>

1 files changed, 38 insertions, 0 deletions

diff --git a/altoslib/AltosPreferencesBackend.java b/altoslib/AltosPreferencesBackend.java
new file mode 100644
index 00000000..a8cfb31b
--- /dev/null
+++ b/altoslib/AltosPreferencesBackend.java
@@ -0,0 +1,38 @@
+/*
+ * Copyright © 2010 Mike Beattie <mike@ethernal.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+package org.altusmetrum.AltosLib;
+
+public interface AltosPreferencesBackend {
+
+	public String  getString(String key, String def);
+	public void    putString(String key, String value);
+
+	public int     getInt(String key, int def);
+	public void    putInt(String key, int value);
+
+	public double  getDouble(String key, double def);
+	public void    putDouble(String key, double value);
+
+	public boolean getBoolean(String key, boolean def);
+	public void    putBoolean(String key, boolean value);
+
+	public boolean nodeExists(String key);
+	public AltosPreferencesBackend node(String key);
+
+	public void    flush();
+}