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Why am I not able to read the complete email body using Exchange Web Service Java API?

I am using EWS Java API to read and process emails. One such email contains few conversation and a MS Teams meeting information at the end. While reading such an email, the EmailMessage.getBody() returns only the MS Teams meeting information and all the other contents of the email body are ommitted. Sample code below:
EmailMessage message = EmailMessage.bind(service, new ItemId(item.get(nMessagePos).getId().getUniqueId()));
String emailBody = message.getBody().toString()
I tried setting the BodyType property to both HTML and Text and then fetched the body of the email but it still returns only the Meeting invite details.
Is there any specific reason for this and is there a way for me to get the complete email body?

I would try to enable tracing https://learn.microsoft.com/en-us/exchange/client-developer/exchange-web-services/how-to-trace-requests-responses-to-troubleshoot-ews-managed-api-applications or look at the actually soap responses your getting it could be a parsing issue at the client side (eg bug in the library). You could also try getting the Mimecontent of the Message instead and then parse back the body from that content. Something like EWSEditor might be useful for trying to diagnose what is going on it will show you what the responses look like and allow you to test mimecontent etc without needing to write any code https://github.com/dseph/EwsEditor/releases.

REST: Tell client to send only csv and text format

In restfull WS, how to tell client to send only csv and text format file.
In content-type header, client set the format in which it is sending request and in Accept header, client set the format in which it want to accept response.
But how to tell client to send only content-type csv or file ? Is this through some documentation ?

The 415 status code seems to be suitable for this situation:
6.5.13. 415 Unsupported Media Type
The 415 (Unsupported Media Type) status code indicates that the
origin server is refusing to service the request because the payload
is in a format not supported by this method on the target resource.
The format problem might be due to the request's indicated
Content-Type or Content-Encoding, or as a result of inspecting the
data directly.
The response payload could contain a list of the media types supported by the server.

Image you have an endpoint called /textfiles - the developer using your API is usually reading your documentation on how to implement this endpoint. Unless you're not doing some auto-discovery magic (which I guess is still not common).
If we take Facebook for example, they just state in their documentation which files you can send:
We accept the following files: 3g2, 3gp, 3gpp, [...]
Your question:
But how to tell client to send only content-type csv or file ?
is also a bit unclear. When the user has sent the request, he already attached the files he thought he could send. So here you would rather send an error with a message, which files are allowed. So are we talking about some "pre"-requests here?
From a backend developers point of view I can just tell you: It's in the documentation. Handle errors properly, document and your implementing developer will not hate you :)

if i develop a restful application using spring i would set the produces attribute to return csv or plain text ( https://docs.spring.io/spring-framework/docs/current/javadoc-api/org/springframework/web/bind/annotation/RequestMapping.html) . if the client tries to request a resource other than csv or text it will recieve an error . probably 415

Amazon S3 AWS SDK [Java] - MultiPart Upload how to get a custom header in the http response?

how can I access a custom header from a server response when using TransferManager ?
we have a custom header added in the response from our server, from the client side we use multi part upload with default transfer manager
any suggestion how in how i could hook up it ?
so basically i want to pass over the response from the return response.getAwsResponse(); found in the class: AmazonS3Client on the method
private <X, Y extends AmazonWebServiceRequest> X invoke(Request<Y> request,
HttpResponseHandler<AmazonWebServiceResponse<X>> responseHandler,
String bucket, String key, boolean isAdditionalHeadRequestToFindRegion) {
that response will have the HTTP response from the server containing the custom heather which I'm after, basically is a unique Id send back when the file was 100% completed so than i can manipulate it.
I need to pass over this custom header from the response to the very beginning where I use the transfer manager and the upload.waitForCompletion(),
also i don't want to edit the amazon's,
so does anyone know if there is an interface or some other object which provides me access to it ?

After some debug into the framework I strongly believe that there is no way to have access to the http response when using the TransferManager
for what we are trying to do we need to send an unique id from the server to the client when the file upload is completed and assembled
** therefore if you don't mind in do not use the beauty of the TransferManager you could write "your own TransferMananger" than you will have full control, but again on the client side we don't really want to add custom code but have a standard and simple approach (but that is for my scenario), if you decide to do it manually it can be done I have already tried and works !
So as a alternative we though in send from the server via the eTag, which is not great but will do the job and will keep the client side simple and clean
Any suggestion in how to send this value back in a better way ?
Upload up = tm.upload(bucketName, file.getName(), file);
UploadResult result = (UploadResult) ((UploadImpl) up).getMonitor().getFuture().get();
String uniqueIdFromServer = result.getETag();

Sending embedded survey email using MonkeySurvey API

What should be the body-text or body-html when doing a POST request using this API to create messages?
API - https://developer.surveymonkey.com/api/v3/#collectors-id-messages
When I am inserting survey link in the body, I am not getting a clickable embedded question in the mail body like we get when using email collector from console.

Building that format is not currently supported in the API, you can only create with a custom HTML.
That said you can copy a previous message that is in the right format through the API. From the link you specified: https://developer.surveymonkey.com/api/v3/#collectors-id-messages
It shows you can set a from collector/message to copy:
POST /v3/collectors/<collector_id>/messages
{
"from_collector_id": "<any_collector_id>",
"from_message_id": "<message_id_from_provided_collector_id>"
}
That will take a copy of a message you already have created as a template and create a new message. Hopefully that could be a good workaround for your use case.

Returning file/files in JSON response (Java-Jersey-ReST)

I am working on a use case where I am displaying user's messages on a JSP. Details of the flow are:
All the messages will be shown in a table with icon for attachments
When the user clicks on attachment, the file should get downloaded.
If there is more than one attachment, user can select the required
one to download.
The attachments will be stored on the local filesystem and the path for the attachments will be determined by the system.
I have tried to implement by referring to these SO questions:
Input and Output binary streams using JERSEY?
Return a file using Java Jersey
file downloading in restful web services
However, it's not solving my purpose. I have the following questions:
Is it possible to send message data (like subject, message, message id, etc) along with the attachments (Inputstream) in one response?
If yes, what needs to be the MediaType for #Produces annotation in my resource method? Currently my resource is annotated with #Produces(MediaType.APPLICATION_JSON). Will this work?
How to send the file data in the response?
Any pointers appreciated. TIA.

You can add custom data to the response Header, so yes you are able to send such message data. Add the data to the response Header.
#Produces(MediaType.APPLICATION_JSON) will not work, unless the clients will accept JSON as a file, what they should and will not do ;)
The correct MediaType depends on what kind of file you want to submit.
You can use the default MediaType / MIME-Type MediaType.APPLICATION_OCTET_STREAM / application/octet-stream (Is there a “default”
MIME type?) but I think it's better to use the correct and exact MIME-Type for your file.
You will find working examples for sending file data with jersey in Input and Output binary streams using JERSEY? - so there is no need to answer this again :)
Hope this was helpful somehow, have a nice day.