*
* 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
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
-package org.altusmetrum.altoslib_4;
+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);
}