Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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 com.locke.tricks.s; import java.util.Date; import org.apache.wicket.ajax.AjaxSelfUpdatingTimerBehavior; import org.apache.wicket.markup.html.basic.Label; import org.apache.wicket.model.AbstractReadOnlyModel; import org.apache.wicket.util.time.Duration; import com.locke.Trick; /** * Trick 'S' * * @author Jonathan Locke */ @SuppressWarnings("serial") public class S extends Trick { public S() { final Label time = new Label("time", new AbstractReadOnlyModel<String>() { @Override public String getObject() { return new Date().toString(); } }); time.add(new AjaxSelfUpdatingTimerBehavior(Duration.seconds(1))); add(time); } }