1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22 package org.apache.james.pop3server;
23
24 import org.apache.mailet.Mail;
25
26 import javax.mail.MessagingException;
27
28 import java.util.Iterator;
29
30
31
32
33 public class ListCmdHandler implements CommandHandler {
34
35
36
37
38 public void onCommand(POP3Session session) {
39 doLIST(session,session.getCommandArgument());
40 }
41
42
43
44
45
46
47
48
49
50 private void doLIST(POP3Session session,String argument) {
51 if (session.getHandlerState() == POP3Handler.TRANSACTION) {
52 if (argument == null) {
53 long size = 0;
54 int count = 0;
55 try {
56 for (Iterator i = session.getUserMailbox().iterator(); i.hasNext(); ) {
57 Mail mc = (Mail) i.next();
58 if (mc != POP3Handler.DELETED) {
59 size += mc.getMessageSize();
60 count++;
61 }
62 }
63 StringBuffer responseBuffer =
64 new StringBuffer(32)
65 .append(POP3Handler.OK_RESPONSE)
66 .append(" ")
67 .append(count)
68 .append(" ")
69 .append(size);
70 session.writeResponse(responseBuffer.toString());
71 count = 0;
72 for (Iterator i = session.getUserMailbox().iterator(); i.hasNext(); count++) {
73 Mail mc = (Mail) i.next();
74
75 if (mc != POP3Handler.DELETED) {
76 responseBuffer =
77 new StringBuffer(16)
78 .append(count)
79 .append(" ")
80 .append(mc.getMessageSize());
81 session.writeResponse(responseBuffer.toString());
82 }
83 }
84 session.writeResponse(".");
85 } catch (MessagingException me) {
86 session.writeResponse(POP3Handler.ERR_RESPONSE);
87 }
88 } else {
89 int num = 0;
90 try {
91 num = Integer.parseInt(argument);
92 Mail mc = (Mail) session.getUserMailbox().get(num);
93 if (mc != POP3Handler.DELETED) {
94 StringBuffer responseBuffer =
95 new StringBuffer(64)
96 .append(POP3Handler.OK_RESPONSE)
97 .append(" ")
98 .append(num)
99 .append(" ")
100 .append(mc.getMessageSize());
101 session.writeResponse(responseBuffer.toString());
102 } else {
103 StringBuffer responseBuffer =
104 new StringBuffer(64)
105 .append(POP3Handler.ERR_RESPONSE)
106 .append(" Message (")
107 .append(num)
108 .append(") already deleted.");
109 session.writeResponse(responseBuffer.toString());
110 }
111 } catch (IndexOutOfBoundsException npe) {
112 StringBuffer responseBuffer =
113 new StringBuffer(64)
114 .append(POP3Handler.ERR_RESPONSE)
115 .append(" Message (")
116 .append(num)
117 .append(") does not exist.");
118 session.writeResponse(responseBuffer.toString());
119 } catch (NumberFormatException nfe) {
120 StringBuffer responseBuffer =
121 new StringBuffer(64)
122 .append(POP3Handler.ERR_RESPONSE)
123 .append(" ")
124 .append(argument)
125 .append(" is not a valid number");
126 session.writeResponse(responseBuffer.toString());
127 } catch (MessagingException me) {
128 session.writeResponse(POP3Handler.ERR_RESPONSE);
129 }
130 }
131 } else {
132 session.writeResponse(POP3Handler.ERR_RESPONSE);
133 }
134 }
135
136 }