commons-net-3.6.jar - Apache Commons Net

commons-net-3.6.jar is the JAR file for Apache Commons Net 3.6, which implements the client side of many basic Internet protocols.

commons-net-3.6.jar is distributed as part of the commons-net-3.6-bin.zip download file.

JAR File Size and Download Location:

JAR name: commons-net.jar, commons-net-3.6.jar
Target JDK version: 1.6
Dependency: None
File name: commons-net-3.6.jar
File size: 307410 bytes
Release date: 2017-02-11
Download: Apache Commons Net

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org/apache/commons/net/daytime/DaytimeTCPClient.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.daytime;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

import org.apache.commons.net.SocketClient;

/**
 * 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 org.apache.commons.net.SocketClient#connect  connect }
 * and call {@link #getTime  getTime() } to retrieve the daytime
 * string, then
 * call {@link org.apache.commons.net.SocketClient#disconnect  disconnect }
 * to close the connection properly.
 * @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 </code>.
     */
    public DaytimeTCPClient ()
    {
        setDefaultPort(DEFAULT_PORT);
    }

    /**
     * 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 org.apache.commons.net.SocketClient#disconnect  disconnect }
     * after calling this method.  To retrieve another time, you must
     * initiate another connection with
     * {@link org.apache.commons.net.SocketClient#connect  connect }
     * before calling <code> getTime() </code> again.
     *
     * @return The time string retrieved from the server.
     * @throws 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_, getCharset()));

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

        return result.toString();
    }

}

org/apache/commons/net/daytime/DaytimeTCPClient.java

 

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