UploadServlet.java
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package fi.insomnia.bortal.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import javax.ejb.EJB;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileItemFactory;
import org.apache.commons.fileupload.FileUploadException;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import fi.insomnia.bortal.beans.EventMapBeanLocal;
import fi.insomnia.bortal.beans.PermissionDeniedException;
import fi.insomnia.bortal.beans.UserBeanLocal;
import fi.insomnia.bortal.beans.UtilBeanLocal;
import fi.insomnia.bortal.model.UserImage;
/**
* Servlet implementation class UploadServlet
*/
public class UploadServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
/**
* @see HttpServlet#HttpServlet()
*/
public UploadServlet() {
super();
// TODO Auto-generated constructor stub
}
private static final Logger logger = LoggerFactory.getLogger(UploadServlet.class);
/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse
* response)
*/
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doPost(request, response);
}
@EJB
private transient UserBeanLocal userbean;
@EJB
private transient EventMapBeanLocal eventmapbean;
@EJB
private transient UtilBeanLocal utilbean;
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse
* response)
*/
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// boolean isMultipart = ServletFileUpload.isMultipartContent(request);
FileItemFactory factory = new DiskFileItemFactory();
ServletFileUpload upload = new ServletFileUpload(factory);
// Parse the request
CharSequence retmsg = "Tiedosto tallennettu onnistuneesti.";
try {
String contenttype = "";
byte[] imagedata = null;
Integer destId = 0;
String description = "";
String filename = "";
String idstr = request.getParameter("id");
if (idstr != null) {
try {
destId = Integer.parseInt(idstr);
} catch (NumberFormatException e)
{
logger.warn("Could not parse ID from string: {}", idstr);
destId = null;
}
}
for (Object ti : upload.parseRequest(request)) {
if (ti instanceof FileItem) {
FileItem fi = (FileItem) ti;
if (fi.getFieldName().equals("id") && !fi.getString().isEmpty()) {
logger.debug("Parsing int {}", fi.getString());
destId = Integer.parseInt(fi.getString());
} else if (fi.getFieldName().equals("description")) {
description = fi.getString();
} else if (fi.getFieldName().equals("file") || fi.getFieldName().equals("Filedata")) {
imagedata = fi.get();
filename = fi.getName();
contenttype = fi.getContentType();
}
}
}
String type = request.getParameter("type");
if (type.equals("userimage")) {
logger.debug("Uploading userimage for user {}");
UserImage userimage = userbean.uploadImage(destId, contenttype, imagedata, filename, description);
utilbean.convertImage(userimage.getUser());
} else if (type.equals("mapimage")) {
eventmapbean.sendImage(destId, imagedata);
} else {
retmsg = "FATAL: servlet type not defined!!";
}
} catch (FileUploadException e) {
logger.warn("Error uploading image", e);
retmsg = "Tiedoston tallennuksessa tapahtui virhe!";
} catch (PermissionDeniedException e) {
logger.warn("Error uploading image", e);
retmsg = "Tiedoston tallennuksessa tapahtui virhe!";
}
PrintWriter writer = response.getWriter();
writer.append(retmsg);
}
}