73 lines
2.7 KiB
Java
73 lines
2.7 KiB
Java
/*
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* Copyright 2012 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.example.worldclock;
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import io.netty.channel.ChannelHandlerContext;
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import io.netty.channel.SimpleChannelInboundHandler;
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import io.netty.example.worldclock.WorldClockProtocol.Continent;
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import io.netty.example.worldclock.WorldClockProtocol.DayOfWeek;
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import io.netty.example.worldclock.WorldClockProtocol.LocalTime;
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import io.netty.example.worldclock.WorldClockProtocol.LocalTimes;
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import io.netty.example.worldclock.WorldClockProtocol.Location;
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import io.netty.example.worldclock.WorldClockProtocol.Locations;
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import java.util.Calendar;
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import java.util.TimeZone;
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import static java.util.Calendar.*;
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public class WorldClockServerHandler extends SimpleChannelInboundHandler<Locations> {
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@Override
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public void messageReceived(ChannelHandlerContext ctx, Locations locations) throws Exception {
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long currentTime = System.currentTimeMillis();
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LocalTimes.Builder builder = LocalTimes.newBuilder();
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for (Location l: locations.getLocationList()) {
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TimeZone tz = TimeZone.getTimeZone(
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toString(l.getContinent()) + '/' + l.getCity());
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Calendar calendar = getInstance(tz);
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calendar.setTimeInMillis(currentTime);
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builder.addLocalTime(LocalTime.newBuilder().
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setYear(calendar.get(YEAR)).
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setMonth(calendar.get(MONTH) + 1).
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setDayOfMonth(calendar.get(DAY_OF_MONTH)).
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setDayOfWeek(DayOfWeek.valueOf(calendar.get(DAY_OF_WEEK))).
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setHour(calendar.get(HOUR_OF_DAY)).
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setMinute(calendar.get(MINUTE)).
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setSecond(calendar.get(SECOND)).build());
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}
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ctx.write(builder.build());
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}
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@Override
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public void channelReadComplete(ChannelHandlerContext ctx) {
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ctx.flush();
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}
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@Override
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public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
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cause.printStackTrace();
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ctx.close();
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}
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private static String toString(Continent c) {
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return c.name().charAt(0) + c.name().toLowerCase().substring(1);
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}
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}
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