io.soliton.time.TimeServer.java Source code

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Here is the source code for io.soliton.time.TimeServer.java

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/**
 * Copyright 2013 Julien Silland
 *
 * 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 io.soliton.time;

import io.soliton.protobuf.quartz.QuartzServer;

import com.beust.jcommander.JCommander;
import com.beust.jcommander.Parameter;
import com.google.common.util.concurrent.Futures;
import com.google.common.util.concurrent.ListenableFuture;
import org.joda.time.DateTime;
import org.joda.time.DateTimeZone;

/**
 * Trivial implementation of a time service.
 *
 * @author Julien Silland (julien@soliton.io)
 */
public class TimeServer implements Time.TimeService.Interface {

    @Parameter(names = "--port", description = "TCP port the server should bind to")
    private Integer port = 10000;

    @Override
    public ListenableFuture<Time.TimeResponse> getTime(Time.TimeRequest request) {
        DateTimeZone timeZone = DateTimeZone.forID(request.getTimezone());
        DateTime now = new DateTime(timeZone);
        Time.TimeResponse.Builder response = Time.TimeResponse.newBuilder();
        return Futures.immediateFuture(response.setTime(now.getMillis()).build());
    }

    public static void main(String... args) throws Exception {
        TimeServer timeServer = new TimeServer();
        new JCommander(timeServer, args);
        QuartzServer server = QuartzServer.newServer(timeServer.port).build();
        server.serviceGroup().addService(Time.TimeService.newService(new TimeServer()));
        server.start();
    }
}