/*
* 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 org.apache.wicket.examples.ajax.builtin;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.ZoneOffset;
import java.time.format.DateTimeFormatter;
import java.time.format.FormatStyle;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.model.IModel;
/**
* A simple component that displays current time
*
* @author Igor Vaynberg (ivaynberg)
*/
public class Clock extends Label
{
/**
* Constructor
*
* @param id
* Component id
* @param zoneId
* Timezone
*/
public Clock(String id, ZoneId zoneId)
{
super(id, new ClockModel(zoneId));
}
/**
* A model that returns current time in the specified timezone via a formatted string
*
* @author Igor Vaynberg (ivaynberg)
*/
private static class ClockModel implements IModel<String>
{
private final ZoneId zoneId;
/**
* @param zoneId
*/
public ClockModel(ZoneId zoneId)
{
this.zoneId = zoneId;
}
@Override
public String getObject()
{
DateTimeFormatter formatter = DateTimeFormatter
.ofLocalizedDateTime(FormatStyle.FULL)
.withZone(zoneId);
return formatter.format(LocalDateTime.now().atOffset(ZoneOffset.UTC));
}
}
}