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/smtp/SMTPCommand.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.smtp;

/**
 * SMTPCommand stores a set of constants for SMTP command codes.  To interpret
 * the meaning of the codes, familiarity with RFC 821 is assumed.
 * The mnemonic constant names are transcriptions from the code descriptions
 * of RFC 821.  For those who think in terms of the actual SMTP commands,
 * a set of constants such as {@link #HELO  HELO } are provided
 * where the constant name is the same as the SMTP command.
 */

public final class SMTPCommand
{


    public static final int HELO = 0;
    public static final int MAIL = 1;
    public static final int RCPT = 2;
    public static final int DATA = 3;
    public static final int SEND = 4;
    public static final int SOML = 5;
    public static final int SAML = 6;
    public static final int RSET = 7;
    public static final int VRFY = 8;
    public static final int EXPN = 9;
    public static final int HELP = 10;
    public static final int NOOP = 11;
    public static final int TURN = 12;
    public static final int QUIT = 13;

    /**
     * The authorization command
     * @since 3.0
     */
    public static final int AUTH = 14 ;

    /**
     * The extended hello command
     * @since 3.0
     */
    public static final int EHLO = 15 ;

    private static final int _NEXT_ = EHLO + 1; // update as necessary when adding new entries

    public static final int HELLO = HELO;
    public static final int LOGIN = HELO;
    public static final int MAIL_FROM = MAIL;
    public static final int RECIPIENT = RCPT;
    public static final int SEND_MESSAGE_DATA = DATA;
    public static final int SEND_FROM = SEND;
    public static final int SEND_OR_MAIL_FROM = SOML;
    public static final int SEND_AND_MAIL_FROM = SAML;
    public static final int RESET = RSET;
    public static final int VERIFY = VRFY;
    public static final int EXPAND = EXPN;
    // public static final int HELP = HELP;
    // public static final int NOOP = NOOP;
    // public static final int TURN = TURN;
    // public static final int QUIT = QUIT;
    public static final int LOGOUT = QUIT;

    // Cannot be instantiated
    private SMTPCommand()
    {}

    private static final String[] _commands = {
                                          "HELO", "MAIL FROM:", "RCPT TO:", "DATA", "SEND FROM:", "SOML FROM:",
                                          "SAML FROM:", "RSET", "VRFY", "EXPN", "HELP", "NOOP", "TURN", "QUIT",
                                          "AUTH", "EHLO"
                                      };


    static {
        if (_commands.length != _NEXT_) {
            throw new RuntimeException("Error in array definition");
        }
    }

    /***
     * Retrieve the SMTP protocol command string corresponding to a specified
     * command code.
     * <p>
     * @param command The command code.
     * @return The SMTP protcol command string corresponding to a specified
     *         command code.
     ***/
    public static final String getCommand(int command)
    {
        return _commands[command];
    }

}

org/apache/commons/net/smtp/SMTPCommand.java

 

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