Sauver le fichier téléchargé dans des endroits spécifiques

J'ai le code suivant qui s'occupe de l'upload de fichiers sur le serveur. Mais comment faire pour enregistrer le fichier à un emplacement spécifique sur le serveur

import gwtupload.server.UploadAction;
import gwtupload.server.exceptions.UploadActionException;
import org.apache.commons.fileupload.FileItem;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.Hashtable;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* This is an example of how to use UploadAction class.
*  
* This servlet saves all received files in a temporary folder, 
* and deletes them when the user sends a remove request.
* 
* @author Manolo Carrasco Moñino
*
*/
public class SampleUploadServlet extends UploadAction {
private static final long serialVersionUID = 1L;
Hashtable<String, String> receivedContentTypes = new Hashtable<String, String>();
/**
* Maintain a list with received files and their content types. 
*/
Hashtable<String, File> receivedFiles = new Hashtable<String, File>();
/**
* Override executeAction to save the received files in a custom place
* and delete this items from session.  
*/
@Override
public String executeAction(HttpServletRequest request, List<FileItem> sessionFiles) throws UploadActionException {
String response = "";
int cont = 0;
for (FileItem item : sessionFiles) {
if (false == item.isFormField()) {
cont++;
try {
///Create a new file based on the remote file name in the client
//String saveName = item.getName().replaceAll("[\\\\/><\\|\\s\"'{}()\\[\\]]+", "_");
//File file =new File("/tmp/" + saveName);
///Create a temporary file placed in /tmp (only works in unix)
//File file = File.createTempFile("upload-", ".bin", new File("/tmp"));
///Create a temporary file placed in the default system temp folder
File file = File.createTempFile("upload-", ".bin");
item.write(file);
///Save a list with the received files
receivedFiles.put(item.getFieldName(), file);
receivedContentTypes.put(item.getFieldName(), item.getContentType());
///Compose a xml message with the full file information
response += "<file-" + cont + "-field>" + item.getFieldName() + "</file-" + cont + "-field>\n";
response += "<file-" + cont + "-name>" + item.getName() + "</file-" + cont + "-name>\n";
response += "<file-" + cont + "-size>" + item.getSize() + "</file-" + cont + "-size>\n";
response += "<file-" + cont + "-type>" + item.getContentType() + "</file-" + cont + "type>\n";
} 
catch (Exception e) 
{
}
}
}
///Remove files from session because we have a copy of them
removeSessionFileItems(request);
///Send information of the received files to the client.
return "<response>\n" + response + "</response>\n";
}
/**
* Get the content of an uploaded file.
*/
@Override
public void getUploadedFile(HttpServletRequest request, HttpServletResponse response) throws IOException {
String fieldName = request.getParameter(PARAM_SHOW);
File f = receivedFiles.get(fieldName);
if (f != null) {
response.setContentType(receivedContentTypes.get(fieldName));
FileInputStream is = new FileInputStream(f);
copyFromInputStreamToOutputStream(is, response.getOutputStream());
} else {
renderXmlResponse(request, response, ERROR_ITEM_NOT_FOUND);
}
}
/**
* Remove a file when the user sends a delete request.
*/
@Override
public void removeItem(HttpServletRequest request, String fieldName)  throws UploadActionException {
File file = receivedFiles.get(fieldName);
receivedFiles.remove(fieldName);
receivedContentTypes.remove(fieldName);
if (file != null) {
file.delete();
}
}
}

OriginalL'auteur Noor | 2010-12-03