private static void readMultiPart(MultipartResult res, MimeMultipart multipart)
throws MessagingException {
for (int i = 0; i < multipart.getCount(); i++) {
BodyPart part = multipart.getBodyPart(i);
try {
if (part.isMimeType("image/*") || part.isMimeType("application/*")) continue;
Object content = null;
try {
content = part.getContent();
} catch (UnsupportedEncodingException ex) {
String body = ConvertUtil.inputStreamToString(part.getInputStream());
res.body = body;
continue;
}
if (part.isMimeType("text/plain")) {
res.body = content.toString();
} else if (part.isMimeType("text/*")) {
res.bodyHtml = content.toString();
} else if (content instanceof MimeMultipart) {
readMultiPart(res, (MimeMultipart) content);
} else if (content instanceof IMAPNestedMessage) {
res.body = getBody((IMAPNestedMessage) content);
return;
} else if (content instanceof InputStream) {
if (content instanceof IMAPInputStream) {
String body = ConvertUtil.inputStreamToString(part.getInputStream());
res.body = body;
} else
System.out.println(
String.format(
"Ignoring binary content in mail: %s [%s]",
part.getContentType(), content.getClass()));
} else if (part.isMimeType("message/*")) {
res.body = content.toString();
} else {
System.out.println(
String.format(
"Unknown content type in mail: %s [%s]",
part.getContentType(), content.getClass()));
}
} catch (IllegalStateException ex) {
System.out.println(
String.format("Could not read contents in mail: %s", part.getContentType()));
} catch (UnsupportedDataTypeException ex) {
System.out.println(
String.format("Could not read contents in mail: %s", part.getContentType()));
} catch (FolderClosedException ex) {
throw ex;
} catch (Throwable ex) {
System.out.println(
String.format("Error while reading mail part: %s", part.getClass().toString()));
}
}
}
public static String getBody(Message message) throws Exception {
try {
message.getContent(); // This might throw an exception...
} catch (Throwable ex) {
try {
// Content could not be resolved for some reason - just get the raw stuff
return ConvertUtil.inputStreamToString(message.getInputStream());
} catch (Throwable ex2) {
// bodystructure is corrupt - get the really raw stuff
ByteArrayOutputStream out = new ByteArrayOutputStream();
message.writeTo(out);
return out.toString();
}
}
// check if message is a normal message or a Multipart message
if (message.getContent() instanceof MimeMultipart) {
MultipartResult res = new MailUtils.MultipartResult();
MailUtils.readMultiPart(res, (MimeMultipart) message.getContent());
return res.body.isEmpty() ? res.bodyHtml : res.body;
} else {
if (message.getContent().toString() != null) {
return message.getContent().toString();
}
}
return null;
}
