spring boot — InputStream

@Component
public class TextFileDownloadView extends AbstractFileDownloadView {

@Override
protected InputStream getInputStream(Map<String, Object> model,
HttpServletRequest request) throws IOException {
Resource resource = new ClassPathResource("abc.txt");
return resource.getInputStream();
}

@Override
protected void addResponseHeader(Map<String, Object> model,
HttpServletRequest request, HttpServletResponse response) {
response.setHeader("Content-Disposition", "attachment; filename=abc.txt");
response.setContentType("text/plain");

}
}

@RequestMapping(value = "/downloadTxt", method = RequestMethod.GET)
public String downloadTxt1() {
return "textFileDownloadView";
}

Originate from http://rensanning.iteye.com/blog/2356942