X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=altoslib%2FAltosPreferencesBackend.java;h=0580652e8ab4a4fcc1c4b48d4b4fe61698a85dcc;hb=7175774c4f60ed3efd54417f2035b50ea0108c7b;hp=5337527f09ba1a1a5437f4b129e4a4df49efba1b;hpb=45bcf595d0a6a6001459f7f2055cd15e4839550b;p=fw%2Faltos

diff --git a/altoslib/AltosPreferencesBackend.java b/altoslib/AltosPreferencesBackend.java
index 5337527f..0580652e 100644
--- a/altoslib/AltosPreferencesBackend.java
+++ b/altoslib/AltosPreferencesBackend.java
@@ -15,36 +15,54 @@
  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  */
 
-package org.altusmetrum.altoslib_9;
+package org.altusmetrum.altoslib_11;
 
-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 byte[]  getBytes(String key, byte[] def);
-	public void    putBytes(String key, byte[] value);
+	public abstract byte[]  getBytes(String key, byte[] def);
+	public abstract void    putBytes(String key, byte[] value);
 
-	public boolean nodeExists(String key);
-	public AltosPreferencesBackend node(String key);
+	public AltosJson	getJson(String key) {
+		String	value = getString(key, null);
 
-	public String[] keys();
-	public void    remove(String key);
+		if (value == null)
+			return null;
+		try {
+			return AltosJson.fromString(value);
+		} catch (IllegalArgumentException ie) {
+			return null;
+		}
+	}
 
-	public void    flush();
+	public void	       	putJson(String key, AltosJson j) {
+		putString(key, j.toString());
+	}
 
-	public File homeDirectory();
+	public abstract boolean nodeExists(String key);
+	public abstract AltosPreferencesBackend node(String key);
 
-	public void debug(String format, Object ... arguments);
+	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);
 }