Springmvc文件上傳監聽

spring mvc CommonsMultipartResolver 文件上傳監聽。

/**


重寫 parseRequest方法 監聽
*/
@Override
protected MultipartParsingResult parseRequest(HttpServletRequest request)
throws MultipartException {
System.out.println("MultipartParsingResult:--------------------------"+request);
String encoding = determineEncoding(request);
FileUpload fileUpload = prepareFileUpload(encoding);
fileUpload.setFileSizeMax(-1);
final HttpSession session = request.getSession();
fileUpload.setProgressListener(new ProgressListener() {
@Override
public void update(long pBytesRead, long pContentLength,
int pItems) {
try {
Thread.sleep(5);
} catch (InterruptedException e) {
e.printStackTrace();
}
session.setAttribute("pBytesRead", pBytesRead);
}
});
try {
List<FileItem> fileItems = ((ServletFileUpload) fileUpload).parseRequest(request);
return parseFileItems(fileItems, encoding);
} catch (FileUploadBase.SizeLimitExceededException ex) {
throw new MaxUploadSizeExceededException(fileUpload.getSizeMax(),
ex);
} catch (FileUploadException ex) {
throw new MultipartException(
"Could not parse multipart servlet request", ex);
}
}</pre>