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What this is

This file is included in the "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

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The source code

 * Copyright 2001-2004 The Apache Software Foundation
 * 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
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.
package examples;


 * This is an example program demonstrating how to use the DaytimeTCP
 * and DaytimeUDP classes.
 * This program connects to the default daytime service port of a
 * specified server, retrieves the daytime, and prints it to standard output.
 * The default is to use the TCP port.  Use the -udp flag to use the UDP
 * port.

* Usage: daytime [-udp] *

***/ public final class daytime { public static final void daytimeTCP(String host) throws IOException { DaytimeTCPClient client = new DaytimeTCPClient(); // We want to timeout if a response takes longer than 60 seconds client.setDefaultTimeout(60000); client.connect(host); System.out.println(client.getTime().trim()); client.disconnect(); } public static final void daytimeUDP(String host) throws IOException { DaytimeUDPClient client = new DaytimeUDPClient(); // We want to timeout if a response takes longer than 60 seconds client.setDefaultTimeout(60000);; System.out.println(client.getTime( InetAddress.getByName(host)).trim()); client.close(); } public static final void main(String[] args) { if (args.length == 1) { try { daytimeTCP(args[0]); } catch (IOException e) { e.printStackTrace(); System.exit(1); } } else if (args.length == 2 && args[0].equals("-udp")) { try { daytimeUDP(args[1]); } catch (IOException e) { e.printStackTrace(); System.exit(1); } } else { System.err.println("Usage: daytime [-udp] "); System.exit(1); } } }

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