Example usage for javax.mail MultipartDataSource getCount

Introduction

In this page you can find the example usage for javax.mail MultipartDataSource getCount.

Prototype

public int getCount();

Source Link

Document

Return the number of enclosed BodyPart objects.

Usage

From source file:edu.stanford.muse.email.EmailFetcherStats.java

private List<String> getAttachmentNames(MimeMessage m, Part p) throws MessagingException, IOException {
    List<String> result = new ArrayList<String>();
    try {//from w ww .  j  a va 2  s.c om
        if (p.isMimeType("multipart/*") || p.isMimeType("message/rfc822")) {
            if (p.isMimeType("multipart/alternative"))
                return result; // ignore alternative's because real attachments don't have alternatives
            DataHandler dh = p.getDataHandler();
            DataSource ds = dh.getDataSource();
            if (ds instanceof MultipartDataSource) {
                MultipartDataSource mpds = (MultipartDataSource) ds;
                for (int i = 0; i < mpds.getCount(); i++)
                    result.addAll(getAttachmentNames(m, mpds.getBodyPart(i)));
            } else {
                String name = ds.getName();
                if (!Util.nullOrEmpty(name))
                    result.add(name);
            }
        } else {
            String filename = p.getFileName();
            if (filename != null)
                result.add(filename);
        }
    } catch (Exception e) {
        // sometimes we see javax.mail.MessagingException: Unable to load BODYSTRUCTURE
        // in this case, just ignore, not much we can do i guess.
        Util.print_exception(e, log);
    }
    return result;
}

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