/**
* 对复杂邮件的解析
*
* @param multipart
* @throws MessagingException
* @throws IOException
*/
public static void parseMultipart(Multipart multipart) throws MessagingException, IOException {
int count = multipart.getCount();
System.out.println("couont = " + count);
for (int idx = 0; idx < count; idx++) {
BodyPart bodyPart = multipart.getBodyPart(idx);
System.out.println(bodyPart.getContentType());
if (bodyPart.isMimeType("text/plain")) {
System.out.println("plain................." + bodyPart.getContent());
} else if (bodyPart.isMimeType("text/html")) {
System.out.println("html..................." + bodyPart.getContent());
} else if (bodyPart.isMimeType("multipart/*")) {
Multipart mpart = (Multipart) bodyPart.getContent();
parseMultipart(mpart);
} else if (bodyPart.isMimeType("application/octet-stream")) {
String disposition = bodyPart.getDisposition();
System.out.println(disposition);
if (disposition.equalsIgnoreCase(BodyPart.ATTACHMENT)) {
String fileName = bodyPart.getFileName();
InputStream is = bodyPart.getInputStream();
copy(is, new FileOutputStream("D:\\" + fileName));
}
}
}
}
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()));
}
}
}
/**
* Handel multipart messages recursive until we find the first text/html message. Or text/plain
* if html is not available.
*
* @param multipart the multipart portion
* @param message the message
* @param builder the email value builder
* @throws MessagingException
* @throws IOException
*/
private void handleMultipart(
Multipart multipart, Message message, ValueBuilder<EmailValue> builder)
throws MessagingException, IOException {
String body = "";
String contentType = cleanContentType(multipart.getContentType());
for (int i = 0, n = multipart.getCount(); i < n; i++) {
BodyPart part = multipart.getBodyPart(i);
String disposition = part.getDisposition();
if ((disposition != null)
&& ((disposition.equalsIgnoreCase(Part.ATTACHMENT)
|| (disposition.equalsIgnoreCase(Part.INLINE))))) {
builder
.prototype()
.attachments()
.get()
.add(createAttachedFileValue(message.getSentDate(), part));
} else {
if (part.isMimeType(Translator.PLAIN)) {
// if contents is multipart mixed concatenate text plain parts
if ("multipart/mixed".equalsIgnoreCase(contentType)) {
body += (String) part.getContent() + "\n\r";
} else {
body = (String) part.getContent();
}
builder.prototype().content().set(body);
builder.prototype().contentType().set(Translator.PLAIN);
} else if (part.isMimeType(Translator.HTML)) {
body = (String) part.getContent();
builder.prototype().contentHtml().set(body);
builder.prototype().contentType().set(Translator.HTML);
} else if (part.isMimeType("image/*")) {
builder
.prototype()
.attachments()
.get()
.add(createAttachedFileValue(message.getSentDate(), part));
} else if (part.getContent() instanceof Multipart) {
handleMultipart((Multipart) part.getContent(), message, builder);
}
}
}
// if contentHtml is not empty set the content type to text/html
if (!Strings.empty(builder.prototype().contentHtml().get())) {
builder.prototype().content().set(builder.prototype().contentHtml().get());
builder.prototype().contentType().set(Translator.HTML);
}
}
public String parseMultipart(BodyPart msg) throws MessagingException, IOException {
if (msg.isMimeType("text/*")) {
return msg.getContent().toString();
} else {
Multipart mpart = (Multipart) msg.getContent();
return parseMultipart(mpart.getBodyPart(0));
}
}
private static int getPoint(BodyPart p, String[] preferences) throws MessagingException {
if (p == null) {
return 0;
}
for (int i = 0; i < preferences.length; i++) {
if (p.isMimeType(preferences[i])) {
return preferences.length + 1 - i;
}
}
return 1;
}
public void saveEmailFiles(HttpServletRequest request, HttpServletResponse response, Part part)
throws Exception {
String fileName = "";
if (part.isMimeType("multipart/*")) {
Multipart mp = (Multipart) part.getContent();
for (int i = 0; i < mp.getCount(); i++) {
BodyPart mpart = mp.getBodyPart(i);
String disposition = mpart.getDisposition();
if ((disposition != null)
&& ((disposition.equals(Part.ATTACHMENT)) || (disposition.equals(Part.INLINE)))) {
fileName = mpart.getFileName();
if (fileName != null) {
if (fileName.toLowerCase().indexOf("gb2312") != -1
|| fileName.toLowerCase().indexOf("gbk") != -1) {
fileName = MimeUtility.decodeText(fileName);
}
if (request.getHeader("User-Agent").contains("Firefox")) {
response.addHeader("content-disposition", "attachment;filename=" + fileName);
} else if (request.getHeader("User-Agent").contains("MSIE")) {
response.addHeader(
"content-disposition",
"attachment;filename=" + java.net.URLEncoder.encode(fileName, "UTF-8"));
}
System.out.println("saveFile1");
saveFile(response, fileName, mpart.getInputStream());
}
} else if (mpart.isMimeType("multipart/*")) {
saveEmailFiles(request, response, mpart);
} else {
fileName = mpart.getFileName();
if (fileName != null) {
if (fileName.toLowerCase().indexOf("gb2312") != -1
|| fileName.toLowerCase().indexOf("gbk") != -1) {
fileName = MimeUtility.decodeText(fileName);
}
if (request.getHeader("User-Agent").contains("Firefox")) {
response.addHeader("content-disposition", "attachment;filename=" + fileName);
} else if (request.getHeader("User-Agent").contains("MSIE")) {
response.addHeader(
"content-disposition",
"attachment;filename=" + java.net.URLEncoder.encode(fileName, "UTF-8"));
}
System.out.println("saveFile2");
saveFile(response, fileName, mpart.getInputStream());
}
}
}
} else if (part.isMimeType("message/rfc822")) {
saveEmailFiles(request, response, (Part) part.getContent());
}
}
@Override
public void processInputStream(InputStream is) throws Exception {
try {
MimeMultipart multiPart =
new MimeMultipart(new ByteArrayDataSource(is, MULTI_PART_MIME_TYPE));
int count = multiPart.getCount();
for (int part = 0; part < count; part++) {
BodyPart body = multiPart.getBodyPart(part);
if (body.isMimeType(OUTPUT_MIME_TYPE)) {
this.inputStream = body.getInputStream();
break;
}
}
} catch (Exception e) {
this.inputStream = getErrorResponseStream();
}
}