altosui: add missing try/catch

[fw/altos] / altosui / AltosUIPreferencesBackend.java

diff --git a/altosui/AltosUIPreferencesBackend.java b/altosui/AltosUIPreferencesBackend.java
index 16844f378cc5679c41ff92530aeb378f415fef03..1988e0b4ca3204b4925f87222f8e408e714d81be 100644 (file)
--- a/altosui/AltosUIPreferencesBackend.java
+++ b/altosui/AltosUIPreferencesBackend.java
@@ -34,7 +34,7 @@ public class AltosUIPreferencesBackend implements AltosPreferencesBackend {
        }
 
        public String  getString(String key, String def) {
-               return _preferences.get(key, def)
+               return _preferences.get(key, def);
        }
        public void    putString(String key, String value) {
                _preferences.put(key, value);
@@ -73,6 +73,17 @@ public class AltosUIPreferencesBackend implements AltosPreferencesBackend {
                return new AltosUIPreferencesBackend(_preferences.node(key));
        }
 
+       public String[] keys() {
+               try {
+                       return _preferences.keys();
+               } catch (BackingStoreException be) {
+               }
+       }
+
+       public void remove(String key) {
+               _preferences.remove(key);
+       }
+
        public void    flush() {
                try {
                        _preferences.flush();
@@ -81,4 +92,4 @@ public class AltosUIPreferencesBackend implements AltosPreferencesBackend {
                }
        }
 
-}
\ No newline at end of file
+}