Example usage for com.vaadin.server VaadinSession getCurrent

Introduction

In this page you can find the example usage for com.vaadin.server VaadinSession getCurrent.

Prototype

public static VaadinSession getCurrent()

Source Link

Document

Gets the currently used session.

Usage

From source file:org.ripla.web.controllers.AbstractController.java

License:Open Source License

/**
 * Returns the generic parameters passed by a task/controller.
 * /*from  ww  w  . j a v a  2  s  .  com*/
 * @param inClear
 *            boolean if <code>true</code>, the parameter settings are
 *            cleared, if <code>false</code>, they are retained
 * @return {@link ParameterObject} generich parameters
 */
protected final ParameterObject getParameters(final boolean inClear) {
    ParameterObject out = null;
    try {
        VaadinSession.getCurrent().getLockInstance().lock();
        out = VaadinSession.getCurrent().getAttribute(ParameterObject.class);
        if (inClear) {
            VaadinSession.getCurrent().setAttribute(ParameterObject.class, null);
        }
    } finally {
        VaadinSession.getCurrent().getLockInstance().unlock();
    }
    return out;
}

From source file:org.ripla.web.controllers.AbstractController.java

License:Open Source License

private IRiplaEventDispatcher getDispatcher() {
    try {//  w  ww  .  j  av a  2 s  .  c  om
        VaadinSession.getCurrent().getLockInstance().lock();
        return VaadinSession.getCurrent().getAttribute(IRiplaEventDispatcher.class);
    } finally {
        VaadinSession.getCurrent().getLockInstance().unlock();
    }
}

From source file:org.ripla.web.controllers.AbstractController.java

License:Open Source License

/**
 * Saves the specified value with the specified key to the application's
 * preferences.//  w  w w.  j av a  2 s.c  o  m
 * 
 * @param inKey
 *            String
 * @param inValue
 *            String
 */
protected final void savePreferences(final String inKey, final String inValue) {
    try {
        VaadinSession.getCurrent().getLockInstance().lock();
        VaadinSession.getCurrent().getAttribute(PreferencesHelper.class).set(inKey, inValue);
    } finally {
        VaadinSession.getCurrent().getLockInstance().unlock();
    }
}

From source file:org.ripla.web.controllers.AbstractController.java

License:Open Source License

/**
 * Returns the value with the specified key from the application's
 * preferences.//from   www. jav a2  s.c  o  m
 * 
 * @param inKey
 *            String
 * @param inDftValue
 *            String default value
 * @return String the value retrieved from the application's preferences
 */
protected final String getPreference(final String inKey, final String inDftValue) {
    try {
        VaadinSession.getCurrent().getLockInstance().lock();
        return VaadinSession.getCurrent().getAttribute(PreferencesHelper.class).get(inKey, inDftValue);
    } finally {
        VaadinSession.getCurrent().getLockInstance().unlock();
    }
}

From source file:org.ripla.web.controllers.RiplaBody.java

License:Open Source License

private void createMenu(final MenuBar inMenuBar, final Resource inSubMenuIcon) {
    final MenuBar.Command lCommand = new MenuBar.Command() {
        @Override//from   w w w .  jav  a  2 s.c  o m
        public void menuSelected(final MenuItem inSelected) {
            final IMenuCommand lAction = getMenuMap().get(inSelected.getId());
            afterMenuClick();
            if (lAction != null) {
                try {
                    setContentView(getContentComponent(lAction.getControllerName()));
                } catch (final NoControllerFoundException exc) {
                    handleNoTaskFound(exc);
                }
            }
        }
    };

    final Authorization lAuthorization = UseCaseRegistry.INSTANCE.getUserAdmin().getAuthorization(getUser());
    final Map<String, MenuItem> lMenuMap = new HashMap<String, MenuBar.MenuItem>();
    for (final MenuFactory lFactory : UseCaseRegistry.INSTANCE.getMenus()) {
        final MenuItem lItem = lFactory.createMenu(inMenuBar, inSubMenuIcon, getMenuMap(), lCommand,
                lAuthorization);
        lMenuMap.put(lFactory.getProviderSymbolicName(), lItem);
    }
    // we set the menu map to the session to access it later to mark the
    // active menu
    try {
        VaadinSession.getCurrent().getLockInstance().lock();
        VaadinSession.getCurrent().setAttribute(Constants.SA_MENU_MAP, lMenuMap);
    } finally {
        VaadinSession.getCurrent().getLockInstance().unlock();
    }
    LOG.debug("Menu created for Ripla."); //$NON-NLS-1$
}

From source file:org.ripla.web.controllers.RiplaBody.java

License:Open Source License

private User getUser() {
    try {//  w  w  w . j  a  va2  s. c  o  m
        VaadinSession.getCurrent().getLockInstance().lock();
        return VaadinSession.getCurrent().getAttribute(User.class);
    } finally {
        VaadinSession.getCurrent().getLockInstance().unlock();
    }
}

From source file:org.ripla.web.internal.menu.ContextMenuManager.java

License:Open Source License

private static IRiplaEventDispatcher getDispatcher() {
    try {/*from www.java  2 s. c  om*/
        VaadinSession.getCurrent().getLockInstance().lock();
        return VaadinSession.getCurrent().getAttribute(IRiplaEventDispatcher.class);
    } finally {
        VaadinSession.getCurrent().getLockInstance().unlock();
    }
}

From source file:org.ripla.web.internal.services.ControllerManager.java

License:Open Source License

@SuppressWarnings("unchecked")
private void setActiveMenuItem(final String inBundleName) {
    final VaadinSession lCurrentSession = VaadinSession.getCurrent();
    MenuItem lOldItem = null;//from  w  w w. ja v a2  s. com
    try {
        lCurrentSession.getLockInstance().lock();
        lOldItem = (MenuItem) lCurrentSession.getAttribute(Constants.SA_ACTIVE_MENU);
    } finally {
        lCurrentSession.getLockInstance().unlock();
    }

    if (lOldItem != null) {
        lOldItem.setStyleName("");
    }
    Map<String, MenuItem> lMenuMap = null;
    try {
        lCurrentSession.getLockInstance().lock();
        lMenuMap = (Map<String, MenuItem>) lCurrentSession.getAttribute(Constants.SA_MENU_MAP);
    } finally {
        lCurrentSession.getLockInstance().unlock();
    }
    final MenuItem lNewItem = lMenuMap == null ? null : lMenuMap.get(inBundleName);
    if (lNewItem != null) {
        lNewItem.setStyleName(Constants.CSS_ACTIVE_MENU);
    }
    try {
        lCurrentSession.getLockInstance().lock();
        lCurrentSession.setAttribute(Constants.SA_ACTIVE_MENU, lNewItem);
    } finally {
        lCurrentSession.getLockInstance().unlock();
    }
}

From source file:org.ripla.web.RiplaApplication.java

License:Open Source License

@Override
public final void init(final VaadinRequest inRequest) {
    initialized = true;/* w  ww .  j av  a2s. co  m*/

    toolbarItemFactory = new ToolbarItemFactory(preferences, configManager, null);

    // synchronize language settings
    setSessionLocale(preferences.getLocale(getLocale()));

    setSessionPreferences(preferences);

    eventDispatcher = new RiplaEventDispatcher();
    try {
        VaadinSession.getCurrent().getLockInstance().lock();
        VaadinSession.getCurrent().setAttribute(IRiplaEventDispatcher.class, eventDispatcher);
    } finally {
        VaadinSession.getCurrent().getLockInstance().unlock();
    }
    UseCaseRegistry.INSTANCE.registerContextMenus();
    SkinRegistry.INSTANCE.setPreferences(preferences);
    if (!initializeLayout(getAppConfiguration())) {
        return;
    }
}

From source file:org.ripla.web.RiplaApplication.java

License:Open Source License

private void setSessionPreferences(final PreferencesHelper inPreferences) {
    try {/*from   www.  ja  va2 s  .c  om*/
        VaadinSession.getCurrent().getLockInstance().lock();
        VaadinSession.getCurrent().setAttribute(PreferencesHelper.class, inPreferences);
    } finally {
        VaadinSession.getCurrent().getLockInstance().unlock();
    }
}