J2EE

Ajax-like J2EE security login

Oleg Mikheev — Sun, 08 Nov 2009 06:57:50 -0500

J2EE Web security is based on the separation of content into two web contexts - protected and public. But there are lots of cases (in my experience majority of cases) when you provide the same content (e.g. a web page) but with different information displayed for different types of users. For non-authenticated (non logged-in) users you hide some sensitive info from your content, and for authenticated (logged-in) users you may choose to hide of display some data depending on their authorization (the user role).

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How to manage content and optimize usign struts2/JSP

supratims — Mon, 23 Feb 2009 03:28:42 -0500

I have a forum running on pure struts2/jsp and MySQL on tomcat 6. Here is how it works currently.
- user logs in and clicks on the forum topic
- DB is queried, and posts populated , and shown to the user.
- if user adds a post, same is inserted and page refreshed.
- even for showing old posts, which dont change with time i query DB

I want to optimize performance by somehow converting the forum pages into htmls, so that i don't need to query DB everytime, because the posts once posted don't change.Only while doing a new post, i should be doing a db call.

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Enterprise Java

Uploading a Word document in Sql or Oracle database

harikumar — Sat, 25 Oct 2008 09:20:32 -0400

Hi,

I am new to java web development. I am working on a application which has an requirement like uploading a word document in the database. I got some solutions how to read a document and write the contents in database but, requirement is like uploading a document in database. Can anyone help me with an idea how and where can i start with.

Thanks in advance.

Thanks,
Hari

Enterprise Java

BAR CODE READER

sree — Tue, 07 Oct 2008 03:42:14 -0400

I Am a beginner working for the development of PoS system on java.We already developed some basic functionality and We created the application in Web Development platform using J2EE (JSP,Servlets, Apache Tomcat, MySQL).In this project we need to implement bar code and credit card processing. But discussing with some java experts we got to know that it is not possible to implement the above facilities in Web Applications. Now we are planning to convert it as JAVA SWING Application.Can any one guide me at this point.
My doubts are

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Enterprise Java