SMTP-java.rar_smtp_smtp ja_smtp java

/* * The contents of this file are subject to the Netscape Public License * Version 1.0 (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.mozilla.org/NPL/. * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the License. * * The Original Code is the Netscape Messaging Access SDK Version 3.5 code, * released on or about June 15, 1998. * * The Initial Developer of the Original Code is Netscape Communications * Corporation. Portions created by Netscape are Copyright (C) 1998 Netscape * Communications Corporation. All Rights Reserved. * * Contributor(s): ______________________________________. */ /* * Copyright (c) 1997 and 1998 Netscape Communications Corporation * (http://home.netscape.com/misc/trademarks.html) */ package netscape.messaging.smtp; import java.io.IOException; import java.io.InputStream; import java.util.Vector; import netscape.messaging.*; /** *The SMTPClient class represents the SMTP client. *The client uses this class for communicating with a *server using the SMTP protocol. *The SMTP client conforms to the specifications of the client *described in RFC 821. *<p>For a list of the SMTP RFCs referenced in the *Messaging Access SDK and their URLs, *see "Where to Find More Information" in "About This Book." *@author [email protected] *@version 1.0 */ public class SMTPClient { /////////////////////////////////////////////////////////////////////////// // Internal class used for socket I/O. /////////////////////////////////////////////////////////////////////////// private IO m_io; /////////////////////////////////////////////////////////////////////////// // Data member used for C-runtime equivalent routines. /////////////////////////////////////////////////////////////////////////// private Common m_common; /////////////////////////////////////////////////////////////////////////// // Data member used to store the timeout value. /////////////////////////////////////////////////////////////////////////// private int m_timeout; /////////////////////////////////////////////////////////////////////////// // Last character sent to the server used for byte stuffing messages. /////////////////////////////////////////////////////////////////////////// private byte m_lastSentChar; /////////////////////////////////////////////////////////////////////////// // State variable indicating if the DATA command was last executed. /////////////////////////////////////////////////////////////////////////// private boolean m_fSendingData; /////////////////////////////////////////////////////////////////////////// // Boolean variable to determine if we can send another command. /////////////////////////////////////////////////////////////////////////// private boolean m_mustProcess; /////////////////////////////////////////////////////////////////////////// // Callback data members. /////////////////////////////////////////////////////////////////////////// private Vector m_pendingList; private ISMTPSink m_notifySink; /////////////////////////////////////////////////////////////////////////// // Data members specific for PIPELINING mode. /////////////////////////////////////////////////////////////////////////// private Vector m_pipelinedCommandList; private boolean m_fPipeliningSupported; private boolean m_fPipeliningEnabled; /////////////////////////////////////////////////////////////////////////// // Reused response objects. /////////////////////////////////////////////////////////////////////////// private StringBuffer m_responseMessage; /////////////////////////////////////////////////////////////////////////// // Byte arrays that are reused for commands and responses. /////////////////////////////////////////////////////////////////////////// private byte[] m_response; private byte[] m_messageData; private byte[] m_itoaBuffer; /////////////////////////////////////////////////////////////////////////// // Constants. /////////////////////////////////////////////////////////////////////////// private final static int m_defaultPort = 25; private final static int m_minChunkSize = 1024; private final static int m_maxReplyLine = 512; private final static byte[] m_bdat = { 'B', 'D', 'A', 'T', ' ' }; private final static byte[] m_data = { 'D', 'A', 'T', 'A' }; private final static byte[] m_ehlo = { 'E', 'H', 'L', 'O', ' ' }; private final static byte[] m_expn = { 'E', 'X', 'P', 'N', ' ' }; private final static byte[] m_help = { 'H', 'E', 'L', 'P', ' ' }; private final static byte[] m_mail = { 'M', 'A', 'I', 'L', ' ', 'F', 'R', 'O', 'M', ':', '<' }; private final static byte[] m_noop = { 'N', 'O', 'O', 'P' }; private final static byte[] m_quit = { 'Q', 'U', 'I', 'T' }; private final static byte[] m_rcpt = { 'R', 'C', 'P', 'T', ' ', 'T', 'O', ':', '<' }; private final static byte[] m_rset = { 'R', 'S', 'E', 'T' }; private final static byte[] m_vrfy = { 'V', 'R', 'F', 'Y', ' ' }; //private final static byte[] m_rBracket = { '>', ' ' }; private final static byte[] m_rBracket = { '>' }; private final static byte[] m_newline = { '\r', '\n' }; private final static byte[] m_eomessage = { '\r', '\n', '.' }; private final static byte[] m_bdatLast = { ' ', 'L', 'A', 'S', 'T' }; private final static byte[] m_empty = {}; /////////////////////////////////////////////////////////////////////////// // Command types for SMTP. /////////////////////////////////////////////////////////////////////////// private final static int BDAT = 0; private final static int CONN = 1; private final static int DATA = 2; private final static int EHLO = 3; private final static int EXPN = 4; private final static int HELP = 5; private final static int MAIL = 6; private final static int NOOP = 7; private final static int QUIT = 8; private final static int RCPT = 9; private final static int RSET = 10; private final static int SEND = 11; private final static int SENDCOMMAND = 12; private final static int VRFY = 13; private final static Integer BDAT_OBJ = new Integer(BDAT); private final static Integer CONN_OBJ = new Integer(CONN); private final static Integer DATA_OBJ = new Integer(DATA); private final static Integer EHLO_OBJ = new Integer(EHLO); private final static Integer EXPN_OBJ = new Integer(EXPN); private final static Integer HELP_OBJ = new Integer(HELP); private final static Integer MAIL_OBJ = new Integer(MAIL); private final static Integer NOOP_OBJ = new Integer(NOOP); private final static Integer QUIT_OBJ = new Integer(QUIT); private final static Integer RCPT_OBJ = new Integer(RCPT); private final static Integer RSET_OBJ = new Integer(RSET); private final static Integer SEND_OBJ = new Integer(SEND); private final static Integer SENDCOMMAND_OBJ = new Integer(SENDCOMMAND); private final static Integer VRFY_OBJ = new Integer(VRFY); /////////////////////////////////////////////////////////////////////////// // Error messages for SMTP. /////////////////////////////////////////////////////////////////////////// private final static String errProcessResponses = new String("Must call processResponses()"); private final static String errSendingData = new String("Must send data immediately after the Data() command"); private final static String errNoPipelining = new String("Pipelining is not supported"); private final static String errParse = new String("Error while pa