View Javadoc

    1   /*
    2    * Copyright 2001-2005 The Apache Software Foundation
    3    *
    4    * Licensed under the Apache License, Version 2.0 (the "License");
    5    * you may not use this file except in compliance with the License.
    6    * You may obtain a copy of the License at
    7    *
    8    *     http://www.apache.org/licenses/LICENSE-2.0
    9    *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   */
    16  package examples;
    17
    18  import java.io.BufferedReader;
    19  import java.io.FileNotFoundException;
    20  import java.io.FileReader;
    21  import java.io.IOException;
    22  import java.io.InputStreamReader;
    23  import java.io.PrintWriter;
    24  import java.io.Writer;
    25  import java.util.Enumeration;
    26  import java.util.Vector;
    27  import org.apache.commons.net.io.Util;
    28  import org.apache.commons.net.smtp.SMTPClient;
    29  import org.apache.commons.net.smtp.SMTPReply;
    30  import org.apache.commons.net.smtp.SimpleSMTPHeader;
    31
    32  /****
    33   * This is an example program using the SMTP package to send a message
    34   * to the specified recipients.  It prompts you for header information and
    35   * a filename containing the message.
    36   * <p>
    37   ***/
    38
    39  public final class mail
    40  {
    41
    42      public final static void main(String[] args)
    43      {
    44          String sender, recipient, subject, filename, server, cc;
    45          Vector ccList = new Vector();
    46          BufferedReader stdin;
    47          FileReader fileReader = null;
    48          Writer writer;
    49          SimpleSMTPHeader header;
    50          SMTPClient client;
    51          Enumeration en;
    52
    53          if (args.length < 1)
    54          {
    55              System.err.println("Usage: mail smtpserver");
    56              System.exit(1);
    57          }
    58
    59          server = args[0];
    60
    61          stdin = new BufferedReader(new InputStreamReader(System.in));
    62
    63          try
    64          {
    65              System.out.print("From: ");
    66              System.out.flush();
    67
    68              sender = stdin.readLine();
    69
    70              System.out.print("To: ");
    71              System.out.flush();
    72
    73              recipient = stdin.readLine();
    74
    75              System.out.print("Subject: ");
    76              System.out.flush();
    77
    78              subject = stdin.readLine();
    79
    80              header = new SimpleSMTPHeader(sender, recipient, subject);
    81
    82
    83              while (true)
    84              {
    85                  System.out.print("CC <enter one address per line, hit enter to end>: ");
    86                  System.out.flush();
    87
    88                  // Of course you don't want to do this because readLine() may be null
    89                  cc = stdin.readLine().trim();
    90
    91                  if (cc.length() == 0)
    92                      break;
    93
    94                  header.addCC(cc);
    95                  ccList.addElement(cc);
    96              }
    97
    98              System.out.print("Filename: ");
    99              System.out.flush();
    100
    101             filename = stdin.readLine();
    102
    103             try
    104             {
    105                 fileReader = new FileReader(filename);
    106             }
    107             catch (FileNotFoundException e)
    108             {
    109                 System.err.println("File not found. " + e.getMessage());
    110             }
    111
    112             client = new SMTPClient();
    113             client.addProtocolCommandListener(new PrintCommandListener(
    114                                                   new PrintWriter(System.out)));
    115
    116             client.connect(server);
    117
    118             if (!SMTPReply.isPositiveCompletion(client.getReplyCode()))
    119             {
    120                 client.disconnect();
    121                 System.err.println("SMTP server refused connection.");
    122                 System.exit(1);
    123             }
    124
    125             client.login();
    126
    127             client.setSender(sender);
    128             client.addRecipient(recipient);
    129
    130             en = ccList.elements();
    131
    132             while (en.hasMoreElements())
    133                 client.addRecipient((String)en.nextElement());
    134
    135             writer = client.sendMessageData();
    136
    137             if (writer != null)
    138             {
    139                 writer.write(header.toString());
    140                 Util.copyReader(fileReader, writer);
    141                 writer.close();
    142                 client.completePendingCommand();
    143             }
    144
    145             fileReader.close();
    146
    147             client.logout();
    148
    149             client.disconnect();
    150         }
    151         catch (IOException e)
    152         {
    153             e.printStackTrace();
    154             System.exit(1);
    155         }
    156     }
    157 }
    158
    159