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Commons Net example source code file (

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

Java - Commons Net tags/keywords

bufferedreader, bufferedreader, daytimetcpclient, daytimetcpclient, default_port, inputstreamreader, io, ioexception, ioexception, socketclient, string, stringbuilder, stringbuilder

The Commons Net source code

 * 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
 * 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.




 * The DaytimeTCPClient class is a TCP implementation of a client for the
 * Daytime protocol described in RFC 867.  To use the class, merely
 * establish a connection with
 * {@link  connect }
 * and call {@link #getTime  getTime() } to retrieve the daytime
 * string, then
 * call {@link  disconnect }
 * to close the connection properly.
 * <p>
 * <p>
 * @see DaytimeUDPClient

public final class DaytimeTCPClient extends SocketClient
    /*** The default daytime port.  It is set to 13 according to RFC 867. ***/
    public static final int DEFAULT_PORT = 13;

    // Received dates will likely be less than 64 characters.
    // This is a temporary buffer used while receiving data.
    private final char[] __buffer = new char[64];

     * The default DaytimeTCPClient constructor.  It merely sets the default
     * port to <code> DEFAULT_PORT .
    public DaytimeTCPClient ()

     * Retrieves the time string from the server and returns it.  The
     * server will have closed the connection at this point, so you should
     * call
     * {@link  disconnect }
     * after calling this method.  To retrieve another time, you must
     * initiate another connection with
     * {@link  connect }
     * before calling <code> getTime()  again.
     * <p>
     * @return The time string retrieved from the server.
     * @exception IOException  If an error occurs while fetching the time string.
    public String getTime() throws IOException
        int read;
        StringBuilder result = new StringBuilder(__buffer.length);
        BufferedReader reader;

        reader = new BufferedReader(new InputStreamReader(_input_));

        while (true)
            read =, 0, __buffer.length);
            if (read <= 0)
            result.append(__buffer, 0, read);

        return result.toString();


Other Commons Net examples (source code examples)

Here is a short list of links related to this Commons Net source code file:

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