java - Uploading a file to Box API using curl -


i try upload file box, using box api. whatever try, receive 400 bad request without other information. idea problem?

curl https://upload.box.com/api/2.0/files/content \ -h "authorization: bearer access_token" -x post \ -f attributes='{"name":"tigers.jpeg", "parent":{"id":"11446498"}}' \ -f file=@myfile.jpg

try {       string url = "https://upload.box.com/api/2.0/files/content";     webresource resource = client.resource(url);      jsonobject parentinput = new jsonobject();     parentinput.put("id", "0");      jsonobject inputjson = new jsonobject();     filename = filename.trim();     inputjson.put("name", filename);     inputjson.put("parent", parentinput);     input = inputjson.tostring();      formdatamultipart  form = new formdatamultipart();        string cdmeta = "form-data; name=\"attributes\";";     string cdfile =  "form-data; name=\""+filename+"\";";      formdatacontentdisposition cdmetaobj = new formdatacontentdisposition(cdmeta);     formdatabodypart metaddbpart = new formdatabodypart(cdmetaobj, input);     form.bodypart(metaddbpart);      formdatacontentdisposition cdfileobj = new formdatacontentdisposition(cdfile);      formdatabodypart fileddbpart = new formdatabodypart("file", inputstream,       mediatype.application_octet_stream_type);      fileddbpart.setcontentdisposition(cdfileobj);     form.bodypart(fileddbpart);      //here using builder executing client request     builder builder = resource.header("content-type",      mediatype.multipart_form_data).header("authorization","bearer " + accesstoken);     clientresponse response = builder.post(clientresponse.class, form);     string result = response.getentity(string.class); } catch (exception e) {     e.printstacktrace(e); }

i got solution, it's upload small change. problem here manage contentdisposition properly

try {     string url = "https://upload.box.com/api/2.0/files/content";     webresource resource = client.resource(url);      jsonobject parentinput = new jsonobject();     parentinput.put("id", "0");      jsonobject inputjson = new jsonobject();     filename = filename.trim();     inputjson.put("name", filename);     inputjson.put("parent", parentinput);     input = inputjson.tostring();      formdatamultipart form = new formdatamultipart();      string cdmeta = "form-data; name=\"metadata\";";     string cdfile = "form-data; name=\"content\";      filename = \"" + filename + "\";";       formdatacontentdisposition cdmetaobj = new formdatacontentdisposition(cdmeta);     formdatabodypart metaddbpart = new formdatabodypart(cdmetaobj, input);     form.bodypart(metaddbpart);      formdatacontentdisposition cdfileobj = new formdatacontentdisposition(cdfile);      formdatabodypart fileddbpart = new formdatabodypart("file", inputstream,         mediatype.application_octet_stream_type);      fileddbpart.setcontentdisposition(cdfileobj);     form.bodypart(fileddbpart);      //here using builder executing client request      builder builder = resource.header("content-type",         mediatype.multipart_form_data).header("authorization", "bearer " + accesstoken);     clientresponse response = builder.post(clientresponse.class, form);     string result = response.getentity(string.class); } catch (exception e) {     e.printstacktrace(e); } }

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