Examples of org.osgi.service.prefs.Preferences.node()

Class org.osgi.service.prefs.Preferences

Examples of org.osgi.service.prefs.Preferences.node()

org.osgi.service.prefs.Preferences.node()
Returns a named {@code Preferences} object (node), creating it and any ofits ancestors if they do not already exist. Accepts a relative or absolute pathname. Absolute pathnames (which begin with {@code '/'}) are interpreted relative to the root of this node. Relative pathnames (which begin with any character other than {@code '/'}) are interpreted relative to this node itself. The empty string ( {@code ""}) is a valid relative pathname, referring to this node itself.
If the returned node did not exist prior to this call, this node and any ancestors that were created by this call are not guaranteed to become persistent until the {@code flush} method is called on the returned node(or one of its descendants). @param pathName the path name of the {@code Preferences} object toreturn. @return the specified {@code Preferences} object. @throws IllegalArgumentException if the path name is invalid. @throws IllegalStateException if this node (or an ancestor) has beenremoved with the {@link #removeNode()} method. @throws NullPointerException if path name is {@code null}. @see #flush()

    }
    
    protected void saveState() {
        try {
            Preferences prefs = preferences.getUserPreferences("FeaturesServiceState");
            saveSet(prefs.node("repositories"), repositories.keySet());
            saveMap(prefs.node("features"), installed);
            prefs.putBoolean("bootFeaturesInstalled", bootFeaturesInstalled);
            prefs.flush();
        } catch (Exception e) {
            LOGGER.error("Error persisting FeaturesService state", e);

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    protected void saveState() {
        try {
            Preferences prefs = preferences.getUserPreferences("FeaturesServiceState");
            saveSet(prefs.node("repositories"), repositories.keySet());
            saveMap(prefs.node("features"), installed);
            prefs.putBoolean("bootFeaturesInstalled", bootFeaturesInstalled);
            prefs.flush();
        } catch (Exception e) {
            LOGGER.error("Error persisting FeaturesService state", e);
        }

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    protected boolean loadState() {
        try {
            Preferences prefs = preferences.getUserPreferences("FeaturesServiceState");
            if (prefs.nodeExists("repositories")) {
                Set<URI> repositories = loadSet(prefs.node("repositories"));
                for (URI repo : repositories) {
                    internalAddRepository(repo);
                }
                installed = loadMap(prefs.node("features"));
                for (Feature f : installed.keySet()) {

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            if (prefs.nodeExists("repositories")) {
                Set<URI> repositories = loadSet(prefs.node("repositories"));
                for (URI repo : repositories) {
                    internalAddRepository(repo);
                }
                installed = loadMap(prefs.node("features"));
                for (Feature f : installed.keySet()) {
                    featuresRegistry.registerInstalled(f);
                }
                bootFeaturesInstalled = prefs.getBoolean("bootFeaturesInstalled", false);
                return true;

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    }
    
    protected void saveState() {
        try {
            Preferences prefs = preferences.getUserPreferences("FeaturesServiceState");
            saveSet(prefs.node("repositories"), repositories.keySet());
            saveMap(prefs.node("features"), installed);
            prefs.flush();
        } catch (Exception e) {
            LOGGER.error("Error persisting FeaturesService state", e);
        }

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    protected void saveState() {
        try {
            Preferences prefs = preferences.getUserPreferences("FeaturesServiceState");
            saveSet(prefs.node("repositories"), repositories.keySet());
            saveMap(prefs.node("features"), installed);
            prefs.flush();
        } catch (Exception e) {
            LOGGER.error("Error persisting FeaturesService state", e);
        }
    }

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    protected boolean loadState() {
        try {
            Preferences prefs = preferences.getUserPreferences("FeaturesServiceState");
            if (prefs.nodeExists("repositories")) {
                Set<URL> repositories = loadSet(prefs.node("repositories"));
                for (URL repo : repositories) {
                    internalAddRepository(repo);
                }
                installed = loadMap(prefs.node("features"));
                return true;

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            if (prefs.nodeExists("repositories")) {
                Set<URL> repositories = loadSet(prefs.node("repositories"));
                for (URL repo : repositories) {
                    internalAddRepository(repo);
                }
                installed = loadMap(prefs.node("features"));
                return true;
            }
        } catch (Exception e) {
            LOGGER.error("Error loading FeaturesService state", e);
        }

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    private Preferences getRepositoryPrefs(Preferences userPrefs, URL location, String customer, String name) {
        // Note: we can only use the getAuthority part of the URL for indexing, because the full URL will contain
        // in the protocol part.
        Preferences repoPref = userPrefs.node(location.getAuthority() + location.getPath());
        Preferences customerPref = repoPref.node(customer);
        return customerPref.node(name);
    }


    /**
     * Helper method for login.
     *

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            .add(m_dm.createServiceDependency()
                .setService(ConnectionFactory.class)
                .setRequired(true)));


        Preferences prefs = m_preferences.getUserPreferences(user.getName());
        prefs = prefs.node(m_sessionID);
        Preferences repoPrefs = getRepositoryPrefs(prefs, rsd.m_location, rsd.m_customer, rsd.m_name);


        return new RepositorySet(m_changeNotifier, m_log, user, repoPrefs, repos, getCachedRepositoryFromPreferences(repo, repoPrefs), rsd.m_name, rsd.m_writeAccess);
    }

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