ReadEmbeddedAttachments.java

package asposefeatures.programmingemail.readembeddedattachments.java;

import com.aspose.email.Attachment;
import com.aspose.email.MailMessage;
import com.aspose.email.MessageFormat;

public class ReadEmbeddedAttachments
{
	private static String dataPath = "src/asposefeatures/programmingemail/readembeddedattachments/data/";

	public static void main(String[] args)
	{
	    try
	    {
	    	System.out.println("Reading message with embedded messages....");

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

	        System.out.println("Success");
	    }
	    catch (Exception ex)
	    {
	        System.out.println(ex.getMessage());
	    }
	    System.out.println("Done.");
	}

	private static void ParseMessage(MailMessage message)
	{
	    System.out.println("Subject: " + message.getSubject());
	    System.out.println("Extracting attachments....");
	    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);
	        }
	    }
	}
}