Support long[] values.

git-svn-id: https://samskivert.googlecode.com/svn/trunk@1541 6335cc39-0255-0410-8fd6-9bcaacd3b74c

projects/samskivert/src/java/com/samskivert/util/Config.java

@@ -436,6 +436,51 @@ public class Config
         _propsup.firePropertyChange(name, oldValue, value);
     }
 
+    /**
+     * Fetches and returns the value for the specified configuration
+     * property. If the value is not specified in the associated
+     * properties file, the supplied default value is returned instead. If
+     * the property specified in the file is poorly formatted (not and
+     * integer, not in proper array specification), a warning message will
+     * be logged and the default value will be returned.
+     *
+     * @param name the name of the property to be fetched.
+     * @param defval the value to return if the property is not specified
+     * in the config file.
+     *
+     * @return the value of the requested property.
+     */
+    public long[] getValue (String name, long[] defval)
+    {
+        // look up the value in the configuration file and use that to
+        // look up any overridden value
+        String val = _prefs.get(name, _props.getProperty(name));
+        long[] result = defval;
+
+        // parse it into an array of longs
+        if (val != null) {
+            result = StringUtil.parseLongArray(val);
+            if (result == null) {
+                Log.warning("Malformed int array property [name=" + name +
+                            ", value=" + val + "].");
+                return defval;
+            }
+        }
+
+        return result;
+    }
+
+    /**
+     * Sets the value of the specified preference, overriding the value
+     * defined in the configuration files shipped with the application.
+     */
+    public void setValue (String name, long[] value)
+    {
+        long[] oldValue = getValue(name, (long[])null);
+        _prefs.put(name, StringUtil.toString(value, "", ""));
+        _propsup.firePropertyChange(name, oldValue, value);
+    }
+
     /**
      * Fetches and returns the value for the specified configuration
      * property. If the value is not specified in the associated