Read Embedded Email Attachments from Message

Aspose.Email

MailMessage message = MailMessage.load(dataPath + "embedded.msg", MessageFormat.getMsg());

for (int i = 0; i < message.getAttachments().size(); i++)
{
    Attachment att = (Attachment) message.getAttachments().get_Item(i);
    System.out.println("Attachment Name: " + att.getName());

    // Get the name of attachment. If msg subject contains characters like :, /, \ etc., replace with space
    // because windows cannot save files with these characters
    // also save first 50 characters as file name to avoid long file names
    String attFileName = att.getName().replace(".eml", "").replace(":", " ").replace("\\", " ").replace("/", " ").replace("?", "");
    if (attFileName.length() > 50)
    {
        attFileName = attFileName.substring(0, 50);
    }
    String attExt = (att.getName().substring(att.getName().lastIndexOf("."), att.getName().lastIndexOf(".") + 4));

    // Save the attachment to disk
    att.save(dataPath + attFileName + attExt);

    // Check if it is an orphaned text attachment file (ATT00001.txt....) and of type eml
    if ((attExt.equals(".eml")) || (att.getContentType().getMediaType().equals("text/plain") && att.getName().contains(".txt") == true && att.getName().contains("ATT") == true))
    {
        // Try to load this text file in MailMessage
        MailMessage attMsg = MailMessage.load(dataPath + attFileName + attExt, MessageFormat.getEml());
        // Call the function recursively to parse this message and attachments
        ParseMessage(attMsg);
    }
}

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