Multipart/mixed requests using RestTemplate [SPR-5904]

[spring-projects-issues]

Graham Zabel opened SPR-5904 and commented

We have a requirement to upload documents (Word, pdf, etc). The Request is expected to be a multipart/mixed MIME type, with the first section containing the Xml defining the document, and the second section containing the actual document.

There currently seems to be very limited support for multipart requests. Could we have support for creation of multipart requests using RestTemplate?

thanks,
Graham

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Referenced from: commits def90d1, af4b22e, 0efb9d8

[spring-projects-issues]

Arjen Poutsma commented

This is now implemented. You are able to do the following:

MultiValueMap<String, Object> parts = new LinkedMultiValueMap<String, Object>();
parts.add("name 1", "value 1");
parts.add("name 2", "value 2+1");
parts.add("name 2", "value 2+2");
Resource logo = new ClassPathResource("/org/springframework/http/converter/logo.jpg");
parts.add("logo", logo);
Source xml = new StreamSource(new StringReader("<root><child/></root>"));
parts.add("xml", xml);

template.postForLocation("http://example.com"/multipart", parts);

which results in a multipart form POST, with all entries in the map as separate MIME parts.