Skip to Content
Java 9: Building Robust Modular Applications
book

Java 9: Building Robust Modular Applications

by Dr. Edward Lavieri, Peter Verhas, Jason Lee
April 2018
Intermediate to advanced content levelIntermediate to advanced
910 pages
33h 21m
English
Packt Publishing
Content preview from Java 9: Building Robust Modular Applications

Loading and saving preferences

There are two more methods we need to look at in this class, the ones that load and store the options represented in the panel. We'll start with load(), which is as follows:

    protected void load() { 
      String dirs = NbPreferences 
       .forModule(PhotoManager.class).get("sourceDirs", ""); 
      if (dirs != null && !dirs.isEmpty()) { 
        ensureModel(); 
        model.clear(); 
        Set<String> set = new HashSet<>( 
          Arrays.asList(dirs.split(";"))); 
        set.forEach(i -> model.addElement(i)); 
      } 
    } 

NbPreferences does not support storing a list of strings, so, as we'll see below, we store the list of source directories as a semicolon-delimited list of strings. Here, we load the value of sourceDirs, and, if not null, we split on the semicolon, and add each ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Java 9 High Performance

Java 9 High Performance

Mayur Ramgir, Nick Samoylov
Distributed Computing in Java 9

Distributed Computing in Java 9

Raja Malleswara Rao Malleswara Rao Pattamsetti

Publisher Resources

ISBN: 9781788832823Supplemental ContentOtherPurchase LinkErrata Page