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1
19
20 package org.apache.james.imapserver.util;
21
22 import java.io.ByteArrayOutputStream  ;
23 import java.io.IOException ;
24 import java.util.Date ;
25 import java.util.Random ;
26
27 import javax.mail.Message ;
28 import javax.mail.MessagingException ;
29 import javax.mail.Session ;
30 import javax.mail.internet.InternetAddress ;
31 import javax.mail.internet.MimeMessage ;
32
33 import com.sun.mail.util.CRLFOutputStream;
34
35 public class MessageGenerator
36 {
37 private static Random random;
38
39 protected static synchronized Random getRandom() {
40 if (random == null) {
41 random = new Random ();
42 }
43 return random;
44
45 }
46
47 public static int calculateSize(MimeMessage m) throws IOException , MessagingException {
48 ByteArrayOutputStream os =new ByteArrayOutputStream ();
49 m.writeTo(os);
50 return os.size();
51 }
52
53 public static MimeMessage generateSimpleMessage() throws MessagingException {
54
55 MimeMessage mm = new MimeMessage ((Session ) null);
56 int r = getRandom().nextInt() % 100000;
57 int r2 = getRandom().nextInt() % 100000;
58 mm.setSubject("good news" + r);
59 mm.setFrom(new InternetAddress ("user" + r + "@localhost"));
60 mm.setSentDate(new Date ());
61 mm.setRecipients(Message.RecipientType.TO,
62 new InternetAddress [] { new InternetAddress ("user" + r2
63 + "@localhost") });
64 String text = "Hello User" + r2
65 + "!\r\n\r\nhave a nice holiday.\r\n\r\ngreetings,\nUser" + r
66 + "\r\n";
67 mm.setText(text);
68 return mm;
69 }
70 public static String messageContentToString(Message mm) throws IOException , MessagingException {
71 ByteArrayOutputStream os=new ByteArrayOutputStream ();
72 mm.writeTo(new CRLFOutputStream(os));
73 return os.toString();
74 }
75
76 public static MimeMessage [] generateSimpleMessages(int c)
77 throws MessagingException {
78 MimeMessage [] msgs=new MimeMessage [c];
79 for (int i=0; i<c; i++) {
80 msgs[i]=generateSimpleMessage();
81 }
82 return msgs;
83 }
84
85 public static MimeMessage generateMessage(int size) throws MessagingException {
86 MimeMessage mm = new MimeMessage ((Session ) null);
87 int r = getRandom().nextInt() % 100000;
88 int r2 = getRandom().nextInt() % 100000;
89 mm.setSubject("good news" + r);
90 mm.setFrom(new InternetAddress ("user" + r + "@localhost"));
91 mm.setSentDate(new Date ());
92 mm.setRecipients(Message.RecipientType.TO,
93 new InternetAddress [] { new InternetAddress ("user" + r2
94 + "@localhost") });
95 char[] textChars=new char[size];
96 for (int i = 0; i < textChars.length; i++) {
97 if (i%80 == 0) {
98 textChars[i]='\n';
99 } else {
100 textChars[i]=(char)(65+getRandom().nextInt(26));
101 }
102 }
103 mm.setText(new String (textChars));
104 return mm;
105 }
106 }
107 |
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