Hello, I've been trying to write the client side request to upload a file to my
service.
My service side code is
/**
* Upload a module, restricted to registered users only
*/
@POST
@Path("/module")
@Consumes(MediaType.MULTIPART_FORM_DATA)
@Produces(MediaType.TEXT_PLAIN)
public Response addModule(MultipartFormDataInput input) throws Exception
{
//Extracting the data …
Map<String, List<InputPart>> uploadForm = input.getFormDataMap();
List<InputPart> userInput = uploadForm.get("user");
List<InputPart> pwdInput = uploadForm.get("password");
String userName = userInput.get(0).getBody(String.class, null);
String pwd = pwdInput.get(0).getBody(String.class, null)));
…..
List<InputPart> inputParts = uploadForm.get("file");
String moduleFileName = null;
for (InputPart inputPart : inputParts) {
Module module = null;
try {
MultivaluedMap<String, String> header = inputPart.getHeaders();
moduleFileName = getFileNameFromHeader(header);
// convert the uploaded file to input stream
InputStream inputStream = inputPart.getBody(InputStream.class, null);
byte[] fileData = IOUtils.toByteArray(inputStream);
}
//Do stuff with file here …..
etc. etc….
}
I can make this work as intended from a form, but I cannot figure out how to
make
it work from my desktop app.
What I tried to do in the client is:
ClientRequest request = new ClientRequest(BASEURL + URL_ROOT + "/module");
MultipartFormDataOutput formData = new MultipartFormDataOutput();
formData.addFormData("username", "bob", MediaType.TEXT_PLAIN_TYPE);
formData.addFormData("password", "bobspwd", MediaType.TEXT_PLAIN_TYPE);
File fileToUpload = new File("upload.zip");
formData.addFormData("file", fileToUpload,
MediaType.APPLICATION_OCTET_STREAM_TYPE);
request.body(MediaType.MULTIPART_FORM_DATA, formData);
ClientResponse response = request.post(Response.class);
But I get a Server 500 error back. In debug, I can see that the structure of
the incoming MultipartFormDataInput input is not right,
generating NullPointerException errors.
But I cannot figure out how to set up the ClientRequest correctly.
Thanx
Gaby
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