// download arquivo
@RequestMapping(value = "/{id}/download", method = RequestMethod.GET)
public void getFile(@PathVariable("id") Long id, HttpServletResponse response) {
try {
Documento documento = serviceDocumento.find(Documento.class, id);
if (documento != null) {
InputStream is = new ByteArrayInputStream(documento.getArquivo());
response.setContentType(documento.getTipo());
response.setHeader(
"Content-Disposition",
"attachment; filename=" + documento.getNomeOriginal().replace(" ", "_"));
IOUtils.copy(is, response.getOutputStream());
response.flushBuffer();
}
} catch (IOException ex) {
throw new RuntimeException("IOError writing file to output stream");
}
}
// add arquivo
@RequestMapping(method = RequestMethod.POST)
public @ResponseBody Long handleFileUpload(@RequestParam("file") MultipartFile file) {
log.debug("Documento - POST");
if (!file.isEmpty()) {
try {
if (file.getBytes() != null && file.getBytes().length != 0) {
Documento documento = new Documento();
documento.setArquivo(file.getBytes());
documento.setNome(file.getOriginalFilename());
documento.setNomeOriginal(file.getOriginalFilename());
documento.setTipo(file.getContentType());
serviceDocumento.save(documento);
// retornar o ID do documento
return documento.getId();
}
} catch (IOException ioe) {
return (long) -1;
}
}
return (long) -1;
}
// excluir
@RequestMapping(value = "{id}", method = RequestMethod.DELETE)
public @ResponseBody ResponseStatusMessage delete(@PathVariable Long id) {
log.debug("Documento - DELETE");
serviceDocumento.delete(new Documento(id));
return new ResponseStatusMessage(ResponseStatus.SUCCESS, "Documento removida com sucesso");
}
// get by id
@RequestMapping(value = "{id}", method = RequestMethod.GET)
public @ResponseBody Documento findById(@PathVariable Integer id) {
log.debug("Documento - GET (id)");
return serviceDocumento.find(Documento.class, (long) id);
}
// listar arquivos
@RequestMapping(method = RequestMethod.GET)
public @ResponseBody List<Documento> findAll() {
log.debug("Documento - GET (all)");
return serviceDocumento.find(Documento.class);
}