FileDownloadServlet.java
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package fi.insomnia.bortal.servlet;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.ejb.EJB;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import fi.insomnia.bortal.beans.CardTemplateBeanLocal;
import fi.insomnia.bortal.beans.EventBeanLocal;
import fi.insomnia.bortal.beans.PermissionBeanLocal;
import fi.insomnia.bortal.beans.UserBeanLocal;
import fi.insomnia.bortal.model.CardTemplate;
import fi.insomnia.bortal.model.LanEventProperty;
import fi.insomnia.bortal.model.LanEventPropertyKey;
import fi.insomnia.bortal.model.UserImage;
/**
* Servlet implementation class UploadServlet
*/
@WebServlet(urlPatterns = { "/dydata/*" })
public class FileDownloadServlet extends GenericImageServlet {
/**
*
*/
private static final long serialVersionUID = -3359999630873773508L;
@EJB
private transient CardTemplateBeanLocal ctbean;
@EJB
private transient UserBeanLocal userbean;
@EJB
private transient PermissionBeanLocal permbean;
@EJB
private transient EventBeanLocal orgbean;
private static final Logger logger = LoggerFactory.getLogger(FileDownloadServlet.class);
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse
* response)
*/
private static final Pattern URLPATTERN = Pattern.compile("([^./]+)");
@Override
protected ImageMover getImagedata() {
ImageMover ret = new ImageMover();
Matcher matcher = URLPATTERN.matcher(super.request.getPathInfo());
List<String> urlparts = new ArrayList<String>();
while (matcher.find()) {
urlparts.add(matcher.group());
}
logger.debug("filedownload urlparts {}", urlparts);
if (urlparts.isEmpty()) {
ret.setResponse(HttpServletResponse.SC_NOT_FOUND);
} else if (urlparts.get(0).equals("logo")) {
LanEventProperty logo = orgbean.getProperty(LanEventPropertyKey.EVENT_LOGO);
if (logo != null) {
ret.setData(logo.getByteValue());
ret.setImagetype(logo.getByteMime());
}
} else if (urlparts.get(0).equals("cardtemplate") && urlparts.size() > 2)
{
int imageid = Integer.parseInt(urlparts.get(1));
CardTemplate templ = ctbean.find(imageid);
logger.info("Cardtemplate {}, {}", imageid, templ);
if (templ != null && templ.getImage().length > 0) {
ret.setData(templ.getImage());
ret.setImagetype("image/jpeg");
}
}
else if (urlparts.get(0).equals("userimage") && urlparts.size() > 2) {
int imageid = Integer.parseInt(urlparts.get(1));
UserImage image = userbean.findUserimageFORCE(imageid);
if (image != null)
{
ret.setData(image.getImageData());
ret.setImagetype(image.getMimeType());
// Create image on file for cropper to work...
// Check
// http://code.google.com/p/primefaces/issues/detail?id=3751
String imagefilePath = this.getServletContext().getRealPath("/dydata/" + super.request.getPathInfo());
File imagefile = new File(imagefilePath);
if (!imagefile.exists())
{
File parentPath = new File(imagefile.getParent());
if (!parentPath.isDirectory() && !parentPath.mkdirs()) {
logger.warn("Error creating directory {}", parentPath.getAbsolutePath());
}
try {
FileOutputStream writer = new FileOutputStream(imagefile);
writer.write(image.getImageData());
writer.close();
logger.info("Created image on file: {}", imagefile.getAbsolutePath());
} catch (IOException e) {
logger.warn("error creating image on file {}", e);
}
}
}
}
if (ret.getImagetype() == null) {
ret.setResponse(HttpServletResponse.SC_NOT_FOUND);
}
return ret;
}
}