View Javadoc
1 package org.apache.commons.net.pop3; 2 3 /* ==================================================================== 4 * The Apache Software License, Version 1.1 5 * 6 * Copyright (c) 2001 The Apache Software Foundation. All rights 7 * reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in 18 * the documentation and/or other materials provided with the 19 * distribution. 20 * 21 * 3. The end-user documentation included with the redistribution, 22 * if any, must include the following acknowledgment: 23 * "This product includes software developed by the 24 * Apache Software Foundation (http://www.apache.org/)." 25 * Alternately, this acknowledgment may appear in the software itself, 26 * if and wherever such third-party acknowledgments normally appear. 27 * 28 * 4. The names "Apache" and "Apache Software Foundation" and 29 * "Apache Commons" must not be used to endorse or promote products 30 * derived from this software without prior written permission. For 31 * written permission, please contact apache@apache.org. 32 * 33 * 5. Products derived from this software may not be called "Apache", 34 * nor may "Apache" appear in their name, without 35 * prior written permission of the Apache Software Foundation. 36 * 37 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 38 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 39 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 40 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 41 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 42 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 43 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 44 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 45 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 46 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 47 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 48 * SUCH DAMAGE. 49 * ==================================================================== 50 * 51 * This software consists of voluntary contributions made by many 52 * individuals on behalf of the Apache Software Foundation. For more 53 * information on the Apache Software Foundation, please see 54 * <http://www.apache.org/>;. 55 */ 56 57 /**** 58 * POP3Command stores POP3 command code constants. 59 * <p> 60 * <p> 61 * @author Daniel F. Savarese 62 ***/ 63 64 public final class POP3Command 65 { 66 /**** Send user name. ***/ 67 public static final int USER = 0; 68 /**** Send password. ***/ 69 public static final int PASS = 1; 70 /**** Quit session. ***/ 71 public static final int QUIT = 2; 72 /**** Get status. ***/ 73 public static final int STAT = 3; 74 /**** List message(s). ***/ 75 public static final int LIST = 4; 76 /**** Retrieve message(s). ***/ 77 public static final int RETR = 5; 78 /**** Delete message(s). ***/ 79 public static final int DELE = 6; 80 /**** No operation. Used as a session keepalive. ***/ 81 public static final int NOOP = 7; 82 /**** Reset session. ***/ 83 public static final int RSET = 8; 84 /**** Authorization. ***/ 85 public static final int APOP = 9; 86 /**** Retrieve top number lines from message. ***/ 87 public static final int TOP = 10; 88 /**** List unique message identifier(s). ***/ 89 public static final int UIDL = 11; 90 91 static final String[] _commands = { 92 "USER", "PASS", "QUIT", "STAT", "LIST", "RETR", "DELE", "NOOP", "RSET", 93 "APOP", "TOP", "UIDL" 94 }; 95 96 // Cannot be instantiated. 97 private POP3Command() 98 {} 99 100 /**** 101 * Get the POP3 protocol string command corresponding to a command code. 102 * <p> 103 * @return The POP3 protocol string command corresponding to a command code. 104 ***/ 105 public static final String getCommand(int command) 106 { 107 return _commands[command]; 108 } 109 }

This page was automatically generated by Maven