altos/telefireone-v2.0: Remove build of ao_product.h from Makefile

[fw/altos] / altoslib / AltosPreferencesBackend.java

diff --git a/altoslib/AltosPreferencesBackend.java b/altoslib/AltosPreferencesBackend.java
index fb8a235a8d5ede79f5b13f2019e2a897bc2e2808..559cff07a057412b2b98e19fd312769c61b3793b 100644 (file)
--- a/altoslib/AltosPreferencesBackend.java
+++ b/altoslib/AltosPreferencesBackend.java
@@ -3,7 +3,8 @@
  *
  * 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.
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful, but
  * WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -15,31 +16,54 @@
  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  */
 
-package org.altusmetrum.altoslib_1;
+package org.altusmetrum.altoslib_13;
 
-import java.io.File;
+import java.io.*;
+import java.util.*;
+import java.text.*;
 
-public interface AltosPreferencesBackend {
+public abstract class AltosPreferencesBackend {
 
-       public String  getString(String key, String def);
-       public void    putString(String key, String value);
+       public abstract String  getString(String key, String def);
+       public abstract void    putString(String key, String value);
 
-       public int     getInt(String key, int def);
-       public void    putInt(String key, int value);
+       public abstract int     getInt(String key, int def);
+       public abstract void    putInt(String key, int value);
 
-       public double  getDouble(String key, double def);
-       public void    putDouble(String key, double value);
+       public abstract double  getDouble(String key, double def);
+       public abstract void    putDouble(String key, double value);
 
-       public boolean getBoolean(String key, boolean def);
-       public void    putBoolean(String key, boolean value);
+       public abstract boolean getBoolean(String key, boolean def);
+       public abstract void    putBoolean(String key, boolean value);
 
-       public boolean nodeExists(String key);
-       public AltosPreferencesBackend node(String key);
+       public abstract byte[]  getBytes(String key, byte[] def);
+       public abstract void    putBytes(String key, byte[] value);
 
-       public String[] keys();
-       public void    remove(String key);
+       public AltosJson        getJson(String key) {
+               String  value = getString(key, null);
 
-       public void    flush();
+               if (value == null)
+                       return null;
+               try {
+                       return AltosJson.fromString(value);
+               } catch (IllegalArgumentException ie) {
+                       return null;
+               }
+       }
 
-       public File homeDirectory();
+       public void             putJson(String key, AltosJson j) {
+               putString(key, j.toString());
+       }
+
+       public abstract boolean nodeExists(String key);
+       public abstract AltosPreferencesBackend node(String key);
+
+       public abstract String[] keys();
+       public abstract void    remove(String key);
+
+       public abstract void    flush();
+
+       public abstract File homeDirectory();
+
+       public abstract void debug(String format, Object ... arguments);
 }