mail/src/main/java/org/spongycastle/mail/smime/examples/CreateCompressedMail.java


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57

package org.bouncycastle.mail.smime.examples;

import java.io.FileOutputStream;
import java.util.Properties;

import javax.mail.Address;
import javax.mail.Message;
import javax.mail.Session;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;

import org.bouncycastle.cms.jcajce.ZlibCompressor;
import org.bouncycastle.mail.smime.SMIMECompressedGenerator;

/**
 * a simple example that creates a single compressed mail message.
 */
public class CreateCompressedMail
{
    public static void main(
        String args[])
        throws Exception
    {
        //
        // create the generator for creating an smime/compressed message
        //
        SMIMECompressedGenerator  gen = new SMIMECompressedGenerator();
          
        //
        // create the base for our message
        //
        MimeBodyPart    msg = new MimeBodyPart();

        msg.setText("Hello world!");

        MimeBodyPart mp = gen.generate(msg, new ZlibCompressor());

        //
        // Get a Session object and create the mail message
        //
        Properties props = System.getProperties();
        Session session = Session.getDefaultInstance(props, null);

        Address fromUser = new InternetAddress("\"Eric H. Echidna\"<eric@bouncycastle.org>");
        Address toUser = new InternetAddress("example@bouncycastle.org");

        MimeMessage body = new MimeMessage(session);
        body.setFrom(fromUser);
        body.setRecipient(Message.RecipientType.TO, toUser);
        body.setSubject("example compressed message");
        body.setContent(mp.getContent(), mp.getContentType());
        body.saveChanges();

        body.writeTo(new FileOutputStream("compressed.message"));
    }
}