+ /**
+ *
+ * For AppletParams and Preferences ok_actionPerformed and
+ * startupFileTextfield_mouseClicked
+ *
+ * Sets a property value for the running application, without saving it to the
+ * properties file
+ *
+ * @param key
+ * @param obj
+ */
+ public static void setPropertyNoSave(String key, String obj)
+ {
+ getInstance().setPropertyImpl(key, obj, false);
+ }
+
+ /**
+ * Sets a property value, and optionally also saves the current properties to
+ * file
+ *
+ * @param key
+ * @param obj
+ * @param andSave
+ * @return
+ */
+ private Object setPropertyImpl(
+ String key, String obj, boolean andSave)
+ {
+ Object oldValue = null;
+ try
+ {
+ oldValue = applicationProperties.setProperty(key, obj);
+ if (andSave && !propsAreReadOnly && propertiesFile != null)
+ {
+ FileOutputStream out = new FileOutputStream(propertiesFile);
+ applicationProperties.store(out, "---JalviewX Properties File---");
+ out.close();
+ }
+ } catch (Exception ex)
+ {
+ System.out.println(
+ "Error setting property: " + key + " " + obj + "\n" + ex);
+ }
+ return oldValue;
+ }
+