public static String getTextContent(Part part, String type) {
if (part == null) return null;
try {
String contentType;
try {
contentType = part.getContentType();
} catch (Throwable t) {
contentType = "unknown";
}
if (contentType.toLowerCase().startsWith("text/" + type)) {
// ContentType ct = new ContentType(contentType);
// String charset = ct.getParameter("charset");
try {
Object content = part.getContent();
if (content == null) return null;
if (content instanceof String) return (String) content;
if (content instanceof InputStream) {
String encoding = charset;
if (contentType.toLowerCase().contains("UTF")) encoding = IO.UTF_8;
if (contentType.toLowerCase().contains("ISO")) encoding = IO.ISO_LATIN_1;
return IO.readToString((InputStream) content, encoding);
}
return Utl.toStringWithType(content);
} catch (UnsupportedEncodingException ex) {
LOG.warn(ex);
return null;
} catch (IOException e) {
String message = e.getMessage();
if (message != null) {
if ("No content".equals(message)) {
return null;
}
if (message.toLowerCase().startsWith("unknown encoding")) {
LOG.warn(e);
return null;
}
}
throw e;
} catch (Throwable t) {
LOG.warn(t);
return Str.getStackTrace(t);
}
}
if (contentType.toLowerCase().startsWith("multipart")) {
MimeMultipart multipart;
try {
multipart = (MimeMultipart) part.getContent();
} catch (NullPointerException ex) {
LOG.warn(ex);
return null;
}
int count = multipart.getCount();
for (int i = 0; i < count; i++) {
BodyPart subPart = multipart.getBodyPart(i);
String filename = subPart.getFileName();
if (filename != null) continue;
String text = getTextContent(subPart, type);
if (text != null) return text.trim();
}
return null;
}
return null;
} catch (Exception ex) {
throw new RuntimeException(ex);
}
}
