DisplayImage.java
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package fi.insomnia.intra;
import java.io.BufferedInputStream;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.math.BigInteger;
import java.util.Date;
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.slf4j.Logger;
import org.slf4j.LoggerFactory;
import sun.misc.BASE64Decoder;
import fi.insomnia.intra.db.UserImage;
import fi.insomnia.intra.helpers.OverlayImages;
import fi.insomnia.intra.utilbeans.UserImageDaoBeanLocal;
public class DisplayImage extends HttpServlet {
private static final Logger logger = LoggerFactory.getLogger(DisplayImage.class);
/**
*
*/
private static final long serialVersionUID = -5738231939522197714L;
@EJB
private UserImageDaoBeanLocal userbean;
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// PrintWriter pw = response.getWriter();
try {
String rawResourcePath = request.getPathInfo();
logger.info("respath2 : {}", rawResourcePath);
String[] paths = rawResourcePath.trim().split("/");
logger.info("paths length: {}", paths.length);
boolean card = false;
if (paths.length >= 3 && paths[2].equals("card")) {
card = true;
} else if (paths.length != 2 || paths[1].trim().isEmpty()) {
return;
}
BigInteger picId = null;
try {
picId = new BigInteger(paths[1].trim());
} catch (Throwable t) {
logger.warn("Could not parse as int: {}", paths[1]);
}
logger.info("PicId2: {}", picId);
if (picId == null) {
return;
}
UserImage pic = userbean.get(picId);
byte[] imgstream = null;
if (card) {
imgstream = OverlayImages.overlay(pic);
} else {
imgstream = new BASE64Decoder().decodeBuffer(new ByteArrayInputStream(pic.getImageData()));
}
File ofile = new File("/mnt/nas/tulostuskuvat/"+ picId +"_"+new Date().getTime() + ".png" );
FileOutputStream ofstream = new FileOutputStream(ofile);
ofstream.write(imgstream);
ofstream.close();
// int len = imgstream.length;
// byte[] rb = new byte[len];
// int index = imgstream.read(rb, 0, len);
// logger.info("index" + index);
response.setContentType("image/png");
response.getOutputStream().write(imgstream, 0, imgstream.length);
response.getOutputStream().flush();
} catch (Exception e) {
e.printStackTrace();
}
}
}