UtilBean.java
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package fi.insomnia.bortal.beans;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.geom.AffineTransform;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.math.BigDecimal;
import java.math.RoundingMode;
import java.util.Date;
import javax.annotation.Resource;
import javax.ejb.EJB;
import javax.ejb.Local;
import javax.ejb.Stateless;
import javax.imageio.ImageIO;
import javax.jms.JMSException;
import javax.jms.ObjectMessage;
import javax.jms.Queue;
import javax.jms.QueueConnection;
import javax.jms.QueueConnectionFactory;
import javax.jms.Session;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.PersistenceContext;
import javax.persistence.PersistenceUnit;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import fi.insomnia.bortal.model.User;
import fi.insomnia.bortal.model.UserImage;
import fi.insomnia.bortal.util.MailMessage;
/**
* Session Bean implementation class UtilBean
*/
@Stateless
@Local
public class UtilBean implements UtilBeanLocal {
private static final Logger logger = LoggerFactory.getLogger(UtilBean.class);
private static final int SCALEWIDTH = 640;
@PersistenceContext
private EntityManager em;
@PersistenceUnit
private EntityManagerFactory emf;
@EJB
private UserBean userbean;
/**
* Default constructor.
*/
public UtilBean() {
// TODO Auto-generated constructor stub
}
@Resource(name = "jmsQueue", mappedName = "jms/mailque")
private Queue mailQueue;
@Resource(name = "connFactory", mappedName = "jms/mailconnectionfactory")
private QueueConnectionFactory mailQuefactory;
@Override
public boolean sendMail(MailMessage message) {
Date d = new Date();
try {
QueueConnection conn = mailQuefactory.createQueueConnection();
Session session = conn.createSession(false, 1);
ObjectMessage objmessage = session.createObjectMessage(message);
session.createProducer(mailQueue).send(objmessage);
conn.close();
} catch (JMSException e) {
logger.debug("Got exception sending mail", e);
}
logger.debug("Message time {}", new Date().getTime() - d.getTime());
return true;
}
public void checkAllUsersImages() {
for (User usr : userbean.getUsers()) {
convertImage(usr);
}
}
public boolean convertImage(User user) {
UserImage oldpic = user.getCurrentImage();
if (oldpic == null || oldpic.getMimeType() == null || oldpic.getMimeType().isEmpty()) {
return false;
}
for (String imgtype : ImageIO.getReaderFormatNames()) {
logger.debug("found imgtype {}", imgtype);
}
logger.debug("converting users image id {}, type {} to jpeg", oldpic.getId(), oldpic.getMimeType());
ByteArrayInputStream naamastream = new ByteArrayInputStream(oldpic.getImageData());
try {
BufferedImage face = ImageIO.read(naamastream);
boolean isJpeg = oldpic.getMimeType().contains("jpeg");
if (face == null) {
return false;
}
if (face.getWidth() > 700) {
logger.debug("Scaling from {} {} ", face.getWidth(), face.getHeight());
BigDecimal scale = new BigDecimal(SCALEWIDTH).divide(new BigDecimal(face.getWidth()), 5, RoundingMode.HALF_UP);
int height = scale.multiply(new BigDecimal(face.getHeight())).intValue();
BufferedImage scaledImage = new BufferedImage(
SCALEWIDTH, height, face.getType());
Graphics2D graphics2D = scaledImage.createGraphics();
graphics2D.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
RenderingHints.VALUE_INTERPOLATION_BILINEAR);
graphics2D.drawImage(face, 0, 0, SCALEWIDTH, height, null);
face = scaledImage;
} else if (isJpeg) {
return false;
}
ByteArrayOutputStream naamaout = new ByteArrayOutputStream();
ImageIO.write(face, "jpeg", naamaout);
UserImage img = new UserImage(user);
img.setDescription("changed imagetype from image id: " + oldpic.getId());
img.setImageData(naamaout.toByteArray());
img.setMimeType("image/jpeg");
img.setName("regenerated.jpg");
user.setCurrentImage(img);
user.getUserImageList().add(img);
userbean.mergeChanges(user);
} catch (IOException e) {
logger.warn("error converting image ", e);
}
return true;
}
}