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Our “Visumaanvraagsysteem” project is finally done and we finished it with a 7.0 average. The presentation was tough but we somehow managed through it till the end. We spent the last half year on this project but we managed to finish this project successfully so a big Hooray! to us.

Now that thats done I have way more time to do other things so i’ll concentrate on my super duper ninja skill vids that was requested by a few people here a few months ago. So expect a new vid from us soon while i’m going to train more often again!

I can do better than this guy below, thats for sure.

Since i successfully finished my project I'll release my Java token decrypter that makes use of the DES alghoritm. Have fun with it!

SourceCode:

Screenshot:

For more screenshots: http://www.engineeringserver.com/blog/2008/03/14/java-token-encrypter-decrypter/

Today I wrote an application that reads an encrypted file and decrypts the file into an appropiate readable format and showing it in a Swing user interface.

It also has exception handling like wrong file (not an encrypted file)  or bad file header etc but i'll blog about the features later when I have more time to write a full size blogpost. Until then, here are some screenshots.

Screenshot(s):

Remember this post: here?

Well, that was the wrong way of sending a StringArrayArray from a Java (EJB 3.0) webservice to the client. In the mean time I managed to sent the StringArrayArray the correct way with the help of my projectmembers and a few other students.

This is the correct way to sent a StringArrayArray from server to client:

(This code describes how to get all users and iterate them to the JSP frontend, just like my previous post about this but now the "correct" way)

Client:
Import these packages:
import net.java.dev.jaxb.array.StringArray;
import net.java.dev.jaxb.array.StringArrayArray;

Put this code in your Servlet:
List<StringArray> data = ((StringArrayArray)port.getAllUsers()).getItem();
String[][] users = new String[data.size()][3];

for (int i = 0, n = data.size(); i < n; i++) {
StringArray list = data.get(i);
List<String> user = list.getItem();

for (int j = 0, m = user.size(); j < m; j++) {
users[i][j] = user.get(j);
}

uo.setList(users);

Auto generated from the client:
Folder: net/java/dev/jaxb/array

Classes:
public class ObjectFactory {}
public class StringArray {}
Public class StringArrayArray {}

Server:
Implement:
@WebMethod
@RolesAllowed ("beheerders")
public String[][] getAllUsers() {
final List<Gebruikers> list = entityManager.createQuery("select g from Gebruikers g").getResultList();
int i = 0;
String[][] tmp = new String[list.size()][3];
for (Gebruikers gebruiker : list) {
tmp[i][0] = ""+gebruiker.getId();
tmp[i][1] = ""+gebruiker.getNaam();
tmp[i][2] = ""+gebruiker.getRole();
System.out.println("-----------------> getAllUsers() ="+tmp.toString());
i++;
}
return tmp;
}

Interface:
String[][] getAllUsers();

Thats all you need to do to send the StringArrayArray from the server to the client.

If you want to know how to use a taglib to show the data on the JSP, I recommend you to visit the link here where i talked about it last time. (code included)

HappyFace
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