org.lunifera.web.vaadin.common.OSGiUIProvider.java Source code

Introduction

Here is the source code for org.lunifera.web.vaadin.common.OSGiUIProvider.java

Source

/*******************************************************************************
 * Copyright (c) 2012 by committers of lunifera.org
 * 
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *    Florian Pirchner - initial API and implementation
 *    
 *******************************************************************************/
package org.lunifera.web.vaadin.common;

import org.osgi.service.component.ComponentFactory;
import org.osgi.service.component.ComponentInstance;

import com.vaadin.server.UIClassSelectionEvent;
import com.vaadin.server.UICreateEvent;
import com.vaadin.server.UIProvider;
import com.vaadin.ui.UI;

@SuppressWarnings("serial")
public class OSGiUIProvider extends UIProvider {

    private final ComponentFactory factory;
    private final Class<? extends UI> uiClass;

    public OSGiUIProvider(ComponentFactory factory, Class<? extends UI> uiClass) {
        super();
        this.factory = factory;
        this.uiClass = uiClass;
    }

    @Override
    public Class<? extends UI> getUIClass(UIClassSelectionEvent event) {
        return uiClass;
    }

    @Override
    public UI createInstance(UICreateEvent event) {
        ComponentInstance instance = factory.newInstance(null);
        OSGiUI ui = (OSGiUI) instance.getInstance();
        ui.setComponentInstance(instance);
        return ui;
    }
}