commons-net.jar Source Code

commons-net.jar is the bytecode of Apache Commons Net library, which implements the client side of many basic Internet protocols.

Apache Commons Net Source Code files are provided in the binary packge (commons-net-3.8.0-bin.zip). You can download it at Apache Commons Net Website.

The source code of commons-net-3.8.0.jar is provided below:

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org/apache/commons/net/chargen/CharGenTCPClient.java

/*
 * 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.commons.net.chargen;

import java.io.InputStream;

import org.apache.commons.net.SocketClient;

/**
 * The CharGenTCPClient class is a TCP implementation of a client for the
 * character generator protocol described in RFC 864.  It can also be
 * used for Systat (RFC 866), Quote of the Day (RFC 865), and netstat
 * (port 15).  All of these protocols involve connecting to the appropriate
 * port, and reading data from an input stream.  The chargen protocol
 * actually sends data until the receiving end closes the connection.  All
 * of the others send only a fixed amount of data and then close the
 * connection.
 * <p>
 * To use the CharGenTCPClient class, just establish a
 * connection with
 * {@link org.apache.commons.net.SocketClient#connect  connect }
 * and call {@link #getInputStream  getInputStream() } to access
 * the data.  Don't close the input stream when you're done with it.  Rather,
 * call {@link org.apache.commons.net.SocketClient#disconnect  disconnect }
 * to clean up properly.
 *
 * @see CharGenUDPClient
 */

public final class CharGenTCPClient extends SocketClient
{
    /** The systat port value of 11 according to RFC 866. */
    public static final int SYSTAT_PORT = 11;
    /** The netstat port value of 19. */
    public static final int NETSTAT_PORT = 15;
    /** The quote of the day port value of 17 according to RFC 865. */
    public static final int QUOTE_OF_DAY_PORT = 17;
    /** The character generator port value of 19 according to RFC 864. */
    public static final int CHARGEN_PORT = 19;
    /** The default chargen port.  It is set to 19 according to RFC 864. */
    public static final int DEFAULT_PORT = 19;

    /**
     * The default constructor for CharGenTCPClient.  It merely sets the
     * default port to <code> DEFAULT_PORT </code>.
     */
    public CharGenTCPClient ()
    {
        setDefaultPort(DEFAULT_PORT);
    }

    /**
     * Returns an InputStream from which the server generated data can be
     * read.  You should NOT close the InputStream when you're finished
     * reading from it.  Rather, you should call
     * {@link org.apache.commons.net.SocketClient#disconnect  disconnect }
     * to clean up properly.
     *
     * @return An InputStream from which the server generated data can be read.
     */
    public InputStream getInputStream()
    {
        return _input_;
    }
}




org/apache/commons/net/chargen/CharGenTCPClient.java

 

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