1InternetAddress from = new InternetAddress(fromAddress, fromName);
2InternetAddress to = new InternetAddress(toAddress, toName);
3MailMessage message = new MailMessage(from, to, subject, body, true);
4MailServiceUtil.sendEmail(message);

1MailMessage message = new MailMessage(from, to, subject, body, true);
2File attachment = new File("com/ordner/content/file.pdf");
3message.addAttachment(attachment);
4MailServiceUtil.sendEmail(message);

 1File tmp2 = null;
 2OutputStream output = null;
 3try {
 4    tmp2 = File.createTempFile("agb", ".pdf");
 5    output = new FileOutputStream(tmp2);
 6    IOUtils.copy(is, output);
 7} catch (IOException e) {
 8         e.printStackTrace();
 9} finally {
10    try {
11    is.close();
12    output.flush();
13    output.close();
14    } catch (Exception e) {
15    e.printStackTrace();
16    }
17}
18message.addAttachment(tmp2);

 1
 2       File sourceFile =  uploadRequest.getFile("file");
 3        File destination = null;
 4        String path = sourceFile.getPath();
 5        path = path.substring(0, path.lastIndexOf(StringPool.BACK_SLASH) + 1);
 6        String fileNm = uploadRequest.getFileName("file");
 7        if (Validator.isNotNull(fileNm))
 8        {
 9            path = path.concat(fileNm);
10            destination = new File(path);
11            FileUtil.copyFile(sourceFile, destination);
12            FileUtil.delete(sourceFile);
13        }

1        MyFile file = new MyFile(filePath);
2
3        file.setRealName(fileName);
4
5        message.addAttachment(file);

 1
 2public class MyFile extends java.io.File {
 3
 4    public MyFile(String pathname) {
 5        super(pathname);
 6    }
 7
 8    @Override
 9    public String getName() {
10        return _realFileName;
11    }
12
13    public void setRealName(String realFileName) {
14        _realFileName = realFileName;
15    }
16
17    private String _realFileName;
18
19}