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我正在使用一個gwt小部件gwtupload.client.Uploader,我試圖將文件保存到使用fileupload流api的數據庫中的blob列。 問題是如果文件大於3k只保存3k(好3.25K)。 感謝您的幫助。 下面是代碼:Apache Commons FileUpload只保存文件的一部分
try {
ServletFileUpload upload = new ServletFileUpload();
upload.setProgressListener(listener);
FileItemIterator iter = upload.getItemIterator(request);
InputStream stream = null;
while (iter.hasNext()) {
FileItemStream item = iter.next();
String name = item.getFieldName();
stream = item.openStream();
Object o = getThreadLocalRequest().getSession().getAttribute(PortailServiceIMPL.FICHIER_SESSION_STORE_KEY);
if (o != null && o instanceof Fichier) {
uploadService.sauvegarder((Fichier) o, stream);
listener.update(listener.getContentLength(),
listener.getContentLength(), 0);
} else {
throw new RuntimeException(
"Impossible de recuperer le fichier de la session.");
}
}
if (stream != null) {
stream.close();
}
} catch (SizeLimitExceededException e) {
RuntimeException ex = new UploadSizeLimitException(
e.getPermittedSize(), e.getActualSize());
listener.setException(ex);
throw ex;
} catch (UploadSizeLimitException e) {
listener.setException(e);
throw e;
} catch (UploadCanceledException e) {
listener.setException(e);
throw e;
} catch (UploadTimeoutException e) {
listener.setException(e);
throw e;
} catch (Exception e) {
logger.error("UPLOAD-SERVLET (" + request.getSession().getId()
+ ") Unexpected Exception -> " + e.getMessage() + "\n"
+ stackTraceToString(e));
e.printStackTrace();
RuntimeException ex = new UploadException(e);
listener.setException(ex);
throw ex;
}
,節省了文件的麗娜是:
uploadService.sauvegarder((Fichier) o, stream);
而且還有像後,直到到達的代碼來保存的InputStream(InputStream中未觸及的4種方法):
public void storeBlob(long id, InputStream pInputStream) throws Exception {
try {
java.sql.Connection conn = //get the connection;
PreparedStatement ps = conn.prepareStatement(SQL_STORE);
ps.setBinaryStream(1, pInputStream, pInputStream.available());
ps.setLong(2, id);
ps.executeUpdate();
ps.close();
em.getTransaction().commit();
} catch (Throwable t) {
em.getTransaction().rollback();
throw new Exception(t);
}
}
如果我用它工作的FileItemFactory,但是這不是我想要的:
FileItemFactory factory = new DiskFileItemFactory();
ServletFileUpload upload = new ServletFileUpload(factory);
List<FileItem> uploadedItems = upload.parseRequest(request);
for (FileItem item : uploadedItems) {
InputStream stream = item.getInputStream();
謝謝你的幫助。