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1   /****************************************************************
2    * Licensed to the Apache Software Foundation (ASF) under one   *
3    * or more contributor license agreements.  See the NOTICE file *
4    * distributed with this work for additional information        *
5    * regarding copyright ownership.  The ASF licenses this file   *
6    * to you under the Apache License, Version 2.0 (the            *
7    * "License"); you may not use this file except in compliance   *
8    * with the License.  You may obtain a copy of the License at   *
9    *                                                              *
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11   *                                                              *
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13   * software distributed under the License is distributed on an  *
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY       *
15   * KIND, either express or implied.  See the License for the    *
16   * specific language governing permissions and limitations      *
17   * under the License.                                           *
18   ****************************************************************/
19  
20  
21  
22  package org.apache.james.smtpserver.core;
23  
24  import java.util.ArrayList;
25  import java.util.Collection;
26  
27  import org.apache.avalon.framework.logger.AbstractLogEnabled;
28  import org.apache.james.dsn.DSNStatus;
29  import org.apache.james.smtpserver.CommandHandler;
30  import org.apache.james.smtpserver.SMTPSession;
31  import org.apache.mailet.MailAddress;
32  
33  /**
34    * Handles RCPT command
35    */
36  public class RcptCmdHandler extends AbstractLogEnabled implements
37          CommandHandler {
38  
39      /**
40       * handles RCPT command
41       *
42       * @see org.apache.james.smtpserver.CommandHandler#onCommand(SMTPSession)
43      **/
44      public void onCommand(SMTPSession session) {
45          doRCPT(session, session.getCommandArgument());
46      }
47  
48  
49      /**
50       * Handler method called upon receipt of a RCPT command.
51       * Reads recipient.  Does some connection validation.
52       *
53       *
54       * @param session SMTP session object
55       * @param argument the argument passed in with the command by the SMTP client
56       */
57      private void doRCPT(SMTPSession session, String argument) {
58         
59          String responseString = null;
60          StringBuffer responseBuffer = session.getResponseBuffer();
61  
62          Collection rcptColl = (Collection) session.getState().get(
63                  SMTPSession.RCPT_LIST);
64          if (rcptColl == null) {
65              rcptColl = new ArrayList();
66          }
67          MailAddress recipientAddress = (MailAddress) session.getState().get(
68                  SMTPSession.CURRENT_RECIPIENT);
69          rcptColl.add(recipientAddress);
70          session.getState().put(SMTPSession.RCPT_LIST, rcptColl);
71          responseBuffer.append(
72                  "250 "
73                          + DSNStatus.getStatus(DSNStatus.SUCCESS,
74                                  DSNStatus.ADDRESS_VALID) + " Recipient <")
75                  .append(recipientAddress).append("> OK");
76          responseString = session.clearResponseBuffer();
77          session.writeResponse(responseString);
78               
79      }
80      
81      /**
82       * @see org.apache.james.smtpserver.CommandHandler#getImplCommands()
83       */
84      public Collection getImplCommands() {
85          Collection implCommands = new ArrayList();
86          implCommands.add("RCPT");
87          
88          return implCommands;
89      }
90  
91  }