I'm using java.util.prefs.Preferences for application preferences. And I need ability to edit those preferences manually. Is it possible to store it into file instead of Windows Registry? Or I should use another mechanism instead of java.util.prefs.Preferences?
util. prefs. systemRoot . The user preferences are typically stored at user-home/.
public abstract class Preferences extends Object. A node in a hierarchical collection of preference data. This class allows applications to store and retrieve user and system preference and configuration data. This data is stored persistently in an implementation-dependent backing store.
The userprefs. xml file contains a series of ParameterName elements that contain a ParameterValue element. The names of the parameters you can set are contained in the ParameterName elements. Enter the value for these parameters in the associated ParameterValue elements.
Overview. The Preference API has been implemented in lib/moodlelib. php. It's used for the storage and retrieval of user preferences. These preferences are stored in the database for users with an account, however for guests or people who are not logged in the preferences are stored in a PHP Session.
If you want to continue using the Preferences API, but write to a file, you will need a new PreferencesFactory, as detailed in this SO post.
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