public void readFromJavaPreferences()

in app/src/main/java/com/oracle/javafx/scenebuilder/app/preferences/PreferencesRecordDocument.java [486:607]
92 lines of code
16 McCabe index (conditional complexity)

    public void readFromJavaPreferences() {

        assert documentPreferences == null;

        final URL fxmlLocation = documentWindowController.getEditorController().getFxmlLocation();
        if (fxmlLocation == null) {
            // Document has not been saved yet => nothing to read
            return;
        }

        // Check if there is some preferences for this document
        try {
            final File fxmlFile = new File(fxmlLocation.toURI());
            final String filePath = fxmlFile.getPath();
            final String[] childrenNames = documentsRootPreferences.childrenNames();
            for (String child : childrenNames) {
                final Preferences pref = documentsRootPreferences.node(child);
                final String nodePath = pref.get(PATH, null);
                assert nodePath != null && nodePath.isEmpty() == false; // Each document node defines a path
                if (filePath.equals(nodePath)) {
                    documentPreferences = pref;
                    break;
                }
            }
        } catch (BackingStoreException ex) {
            Logger.getLogger(PreferencesRecordDocument.class.getName()).log(Level.SEVERE, null, ex);
            return;
        } catch (URISyntaxException ex) {
            Logger.getLogger(PreferencesRecordDocument.class.getName()).log(Level.SEVERE, null, ex);
        }

        // There is no preferences for this document in the Java preferences DB
        // => nothing to read
        if (documentPreferences == null) {
            return;
        }

        // Window position
        double xpos = documentPreferences.getDouble(X_POS, DEFAULT_X_POS);
        if (xpos < 0) {
            xpos = DEFAULT_X_POS;
        }
        setXPos(xpos);
        double ypos = documentPreferences.getDouble(Y_POS, DEFAULT_Y_POS);
        if (ypos < 0) {
            ypos = DEFAULT_Y_POS;
        }
        setYPos(ypos);

        // Window size
        double h = documentPreferences.getDouble(STAGE_HEIGHT, DEFAULT_STAGE_HEIGHT);
        if (h < 0) {
            h = DEFAULT_STAGE_HEIGHT;
        }
        setStageHeight(h);
        double w = documentPreferences.getDouble(STAGE_WIDTH, DEFAULT_STAGE_WIDTH);
        if (w < 0) {
            w = DEFAULT_STAGE_WIDTH;
        }
        setStageWidth(w);

        // Panel visibility
        final boolean bv = documentPreferences.getBoolean(BOTTOM_VISIBLE,
                DEFAULT_BOTTOM_VISIBLE);
        setBottomVisible(bv);
        final boolean lv = documentPreferences.getBoolean(LEFT_VISIBLE,
                DEFAULT_LEFT_VISIBLE);
        setLeftVisible(lv);
        final boolean rv = documentPreferences.getBoolean(RIGHT_VISIBLE,
                DEFAULT_RIGHT_VISIBLE);
        setRightVisible(rv);
        final boolean libv = documentPreferences.getBoolean(LIBRARY_VISIBLE,
                DEFAULT_LIBRARY_VISIBLE);
        // Since SB 2.0 b11, the visibility of Library and Document was handled
        // independently from the Left visibility.
        // Starting from SB 2.0 b12, the visibility of Library and Document is
        // linked to the Left visibility. 
        // We need to handle new preferences as well as old ones :
        // hence the value set for Library and Document visible property.
        setLibraryVisible(lv && libv);
        final boolean docv = documentPreferences.getBoolean(DOCUMENT_VISIBLE,
                DEFAULT_DOCUMENT_VISIBLE);
        setDocumentVisible(lv && docv);

        // Inspector expanded TitledPane
        final String sectionId = documentPreferences.get(INSPECTOR_SECTION_ID,
                DEFAULT_INSPECTOR_SECTION_ID.name());
        setInspectorSectionId(SectionId.valueOf(sectionId));

        // Dividers position
        final double ldhp = documentPreferences.getDouble(LEFT_DIVIDER_HPOS,
                DEFAULT_LEFT_DIVIDER_HPOS);
        setLeftDividerHPos(ldhp);
        final double rdhp = documentPreferences.getDouble(RIGHT_DIVIDER_HPOS,
                DEFAULT_RIGHT_DIVIDER_HPOS);
        setRightDividerHPos(rdhp);
        final double bdvp = documentPreferences.getDouble(BOTTOM_DIVIDER_VPOS,
                DEFAULT_BOTTOM_DIVIDER_VPOS);
        setBottomDividerVPos(bdvp);
        final double ldvp = documentPreferences.getDouble(LEFT_DIVIDER_VPOS,
                DEFAULT_LEFT_DIVIDER_VPOS);
        setLeftDividerVPos(ldvp);

        // Scene style sheets
        final String items = documentPreferences.get(SCENE_STYLE_SHEETS, null);
        if (items != null) {
            final String[] itemsArray = items.split("\\" + File.pathSeparator); //NOI18N
            sceneStyleSheets.addAll(Arrays.asList(itemsArray));
        }

        // I18NResource
        final String resource = documentPreferences.get(I18N_RESOURCE, null); //NOI18N
        setI18NResource(resource);

        // Theme and Gluon Theme
        final String theme = documentPreferences.get(THEME, null);
        if (theme != null) {
            setTheme(EditorPlatform.Theme.valueOf(theme));
        } else {
            setTheme(documentWindowController.getEditorController().getTheme());
        }
    }