/**
* ************************************************* URL: /rest/controller/get/{value} get(): get
* file as an attachment
*
* @param response : passed by the server
* @param value : value from the URL
* @return void **************************************************
*/
@RequestMapping(value = "/get/{value}", method = RequestMethod.GET)
public void get(HttpServletResponse response, @PathVariable String value) {
FileMeta getFile = files.get(Integer.parseInt(value));
try {
response.setContentType(getFile.getFileType());
response.setHeader(
"Content-disposition", "attachment; filename=\"" + getFile.getFileName() + "\"");
FileCopyUtils.copy(getFile.getBytes(), response.getOutputStream());
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
/**
* ************************************************* URL: /rest/controller/upload upload():
* receives files
*
* @param request : MultipartHttpServletRequest auto passed
* @param response : HttpServletResponse auto passed
* @return LinkedList<FileMeta> as json format **************************************************
*/
@RequestMapping(value = "/upload", method = RequestMethod.POST)
public @ResponseBody LinkedList<FileMeta> upload(
MultipartHttpServletRequest request, HttpServletResponse response) {
// 1. build an iterator
Iterator<String> itr = request.getFileNames();
MultipartFile mpf = null;
String basePath = "f:/var/lirantest";
new File(basePath).mkdirs();
// 2. get each file
while (itr.hasNext()) {
// 2.1 get next MultipartFile
mpf = request.getFile(itr.next());
System.out.println(mpf.getOriginalFilename() + " uploaded! " + files.size());
// 2.2 if files > 10 remove the first from the list
if (files.size() >= 10) files.pop();
// 2.3 create new fileMeta
fileMeta = new FileMeta();
fileMeta.setFileName(mpf.getOriginalFilename());
fileMeta.setFileSize(mpf.getSize() / 1024 + " Kb");
fileMeta.setFileType(mpf.getContentType());
try {
fileMeta.setBytes(mpf.getBytes());
// copy file to local disk (make sure the path
// "e.g. D:/temp/files" exists)
FileCopyUtils.copy(
mpf.getBytes(), new FileOutputStream(basePath + "/" + mpf.getOriginalFilename()));
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
// 2.4 add to files
files.add(fileMeta);
}
// result will be like this
// [{"fileName":"app_engine-85x77.png","fileSize":"8 Kb","fileType":"image/png"},...]
return files;
}