Java tutorial
/* * Copyright 2015 lifetime. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package ui.button; import util.ServiceLocator; import com.vaadin.server.FontAwesome; import com.vaadin.server.Page; import com.vaadin.server.VaadinService; import com.vaadin.ui.Button.ClickEvent; import com.vaadin.ui.Button.ClickListener; /** * * @author lifetime */ public class VisitButton extends LifetimeButtonSmall { private final Integer guest; private final Integer host; private final String language; public VisitButton(final Integer userId, final Integer hostId, String hostname, String language) { super(hostname, FontAwesome.LINK); this.guest = userId; this.host = hostId; this.language = language; addClickListener(new ClickListener() { @Override public void buttonClick(ClickEvent event) { ServiceLocator.findLifetimeService().setHostId(guest, host); String path = VaadinService.getCurrentRequest().getContextPath(); Page.getCurrent().setLocation(path + "/visitor"); } }); } }