The code in the icing on the cake reads: static void Main() { byte[] cake = { 0x52, 0x65, 0x64, 0x20, 0x52, 0x6F, 0x73, 0x65, 0x73 }; foreach (Person p in room) { p.Eat(cake); } }
In this part of the tutorial we will correct the bugs inherent in version 2.2 of Seam-gen and we will add some code to spice up our blog CMS. First of all, our PostEdit.seam page is not working at all as it is. We shall fix this: Open PostEdit.xhtml from the WebContent folder and find the <rich:tabPanel switchType=”ajax”> block. This is what’s causing the problem, because it has more than one tab – one to …
In this part III of the tutorial, we’ll build the entity classes from the database we created in Part I and configure the Seam project we created in Part II so as to make it fully compatible with Apache Tomcat. Creating The Model Layer We’ll use Hibernate‘s reverse engineering tool (hbm2java) embedded in Seam-gen to create the entity classes from the database we created in part 1. Right-click the project blog in project explorer and …
In part I of the tutorial, I provided the instructions about the development environment and how to create the blog’s database. In this part II, using Eclipse’s JBoss tools plugin, we’ll create and configure the JBoss Seam web project and prepare it for full Tomcat-compatibilty and for the creation the basic CRUD (create, read, update and delete) functionality of entities which will be reverse engineered from the database using hbm2java embedded in Seam-gen whose GUI version comes built-in …
Tired of simple hello world tutorials or tutorials taking you only as far as user login and registration examples? Here’s an intermediate-level tutorial in which I will demonstrate how to make a blog CMS application using JBoss Seam incorporating JSF (w/Facelets), Hibernate JPA and how to deploy it to Apache Tomcat web server. With this tutorial, I also aim to provide complete and correct instructions for preparing a Seam 2.2 project to be deployed on Tomcat without …
When it comes to developing web applications using Java, writing all the code from scratch has its advantages if you’re trying to master a new technology, but for real life web applications, you have to go for a framework as many expert developers would agree. Otherwise you risk a great deal of failure because of having allocated too much time and too many resources by re-inventing the wheels. There are some hardliners who still argue why …
Use Eclipse with the JBoss Tools plugin instead of JBoss Developer Studio? It can get somewhat tricky to get the right version of the tools plugin to work with the compatible version of Eclipse and the correct version of JSF components, etc. JBoss Dev Studio is a branded version of a Eclipse packed with the right version of JBoss Tools. The dev studio is usually bundled with a developer subscription from RedHat for $99. (I’ve …
In Hibernate a derived property (also called a calculated property) is a read-only property whose value is calculated at fetch time using SQL expressions. Example: For an employee entity with properties such as an id and the employee name also a monthlySalary property, you might also want to have a yearlySalary which is not necessarily stored in the database. package net.ozar.exp.entity; import javax.persistence.Column; import javax.persistence.Entity; import javax.persistence.Id; import javax.persistence.Table; @Entity @Table(name=”EMPLOYEE”) public class Employee implements …
In this article I will write about installing the Oracle Database 10g XE on Windows and changing the default port number for HTTP and optionally for FTP. The installer does not provide any customization option and you end up with the DB server instantly up and running reserving the port 1521 (a default for Oracle database servers), including an embedded HTTP listener set to a default port of 8080 which might conflict with some existing …
Colorized photos taken on a day of spring in Paris, France of the 60s.