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22 package org.apache.james.pop3server;
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24 import org.apache.avalon.framework.container.ContainerUtil;
25 import org.apache.mailet.Mail;
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29
30 public class DeleCmdHandler implements CommandHandler {
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35 public void onCommand(POP3Session session) {
36 doDELE(session,session.getCommandArgument());
37 }
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46 private void doDELE(POP3Session session,String argument) {
47 String responseString = null;
48 if (session.getHandlerState() == POP3Handler.TRANSACTION) {
49 int num = 0;
50 try {
51 num = Integer.parseInt(argument);
52 } catch (Exception e) {
53 responseString = POP3Handler.ERR_RESPONSE + " Usage: DELE [mail number]";
54 session.writeResponse(responseString);
55 return;
56 }
57 try {
58 Mail mc = (Mail) session.getUserMailbox().get(num);
59 if (mc == POP3Handler.DELETED) {
60 StringBuffer responseBuffer =
61 new StringBuffer(64)
62 .append(POP3Handler.ERR_RESPONSE)
63 .append(" Message (")
64 .append(num)
65 .append(") already deleted.");
66 responseString = responseBuffer.toString();
67 session.writeResponse(responseString);
68 } else {
69 session.getUserMailbox().set(num, POP3Handler.DELETED);
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72 ContainerUtil.dispose(mc);
73 session.writeResponse(POP3Handler.OK_RESPONSE + " Message deleted");
74 }
75 } catch (IndexOutOfBoundsException iob) {
76 StringBuffer responseBuffer =
77 new StringBuffer(64)
78 .append(POP3Handler.ERR_RESPONSE)
79 .append(" Message (")
80 .append(num)
81 .append(") does not exist.");
82 responseString = responseBuffer.toString();
83 session.writeResponse(responseString);
84 }
85 } else {
86 responseString = POP3Handler.ERR_RESPONSE;
87 session.writeResponse(responseString);
88 }
89 }
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92 }