JavaOne 2008 LAB: Dynamic Service Composition with OpenESB and NetBeans
Apart from sessions in which an overview of a certain topic is presented, JavaOne also had a few sessions in which the audience got the chance to actually do …
Category: Web/Java
EclipseLink and Oracle Coherence: a match made in heaven?
Tonight Lucas, Wouter and myself went to a very interesting session at JavaOne, to hear how two of my favourite Java technologies, EclipseLink and Coherence, can work together to …
Web Synergy: Sun and Liferay bundle their forces
On day 2 of JavaOne 2008 I visited the Sun booth at the Pavilion to ask some questions about the Open Portal project. There I got word that Sun …
JavaOne 2008 day 1: it’s begun!
Today JavaOne 2008 ofiicially started. About 15,000 Java minded people showed up at Moscone Center in San Francisco. On our way there, my colleague Lucas remarked “Java One at …
JavaOne 2008 day -1: GlassFish un-conference
On Sunday, May 4 about 50 GlassFish users and developers got together to have some informal sessions about several GlassFish related topics. In the past weeks, anyone planning to …
ODTUG 2008 – Sneak Preview van de Nederlandse inzendingen
Van zondag 15 juni 2008 tot en met donderdag 19 juni 2008 vindt in New Orleans dé conferentie voor Oracle ontwikkelaars plaats: ODTUG Kaleidoscope 2008. Dit jaar is 10% …
Wicket – It can do Ajax without writing any line of Javascript!
Wicket is around for a while, but lately it is getting more and more attention. A few years ago I attended a presentation about Wicket. It looked like a …
Automated SOAP testing with maven and the SoapUI plugin
March 26, 2008
Continuous Delivery, IT, Software Development, Software Engineering, Tools, Web/Java
5 Comments
Currently there are few tools that can support testing SOAP interfaces. Both Jmeter and SoapUI are suited for testing soap interfaces. SoapUI is explicitly created for testing SOAP interfaces …
Using SoapUI on Apache ODE to test your BPEL processes more quickly
On the SOA-training I’m following we’re using the Oracle SOA Suite, a very nice product, but the time needed between saving changes and deploying the process takes way too …
Generating graphs with JHeadstart
One of our recent buisiness cases required the availability of graph representations of data in an application generated with JHeadstart. At first I started out with JFreeChart and ChartCreator, …
Using a rich editor in ADF applications
December 14, 2007
AMIS, IT, Java, Oracle, Oracle Application Development Framework, Web/Java
5 Comments
About a year ago Frank Nimphius wrote this weblog article about using a rich text editor called openWYSIWYG in ADF applications. Recently we encountered the need for such an …
Integrating Seam with Maven, Netbeans and GlassFish
November 23, 2007
AMIS, IT, Java, Oracle, Oracle Application Development Framework, Web/Java
4 Comments
The application that resulted from my previous article on Maven, Netbeans and GlassFish uses Hibernate for JPA and Facelets for JSF. This is an ideal situation to make the …
Combining Hibernate and Facelets with Maven, Netbeans and GlassFish
November 21, 2007
AMIS, IT, Java, Oracle, Oracle WebLogic Server, Web HTML5 CSS3, Web/Java
6 Comments
Over the past weeks I have been exploring the possibilities of Maven, Netbeans and GlassFish. Two of my previous blog entries explain the basics of using Maven in Netbeans …
Opening and extracting Zip files in java – It’s there for a while, but I just found out
A while ago I found out that it was possible to open Zip files with Java. Just open a regular java.io.File and pass it to the java.util.zip.ZipFile constructor. It …
Maven based configuration management with automatic build number
An important questions in software deployment and testing is “What is the version of the software I am looking at”. It is frustrating for a tester or an end …
Another trip down memory lane at OOW: JDeveloper History
Oracle celebrates its 30th anniversary this year, and this was the main theme of Larry’s key note speech on sunday night. But there are other anniversaries to celebrate this …
Compile and invoke your webservice client (generated by XFire) in a running JVM
Generating XFire client files isn’t that special, but with Java 6 it is possible to compile those files immediately and invoke the webservice within one application. When I told …
Integrating JAD decompiler into JDeveloper
In JDeveloper, when debugging or otherwise navigating to classes that JDeveloper does not have the source code for, JDeveloper generates a "stub source", showing you only the fields and …
Deploying to GlassFish using Maven2
Yesterday I wrote an article about Building Enterprise Applications for GlassFish using Netbeans 6.0 (Beta 2) and Maven2. The article explains how to setup your Netbeans projects to be …
Battle of the Geeks 2007 – An eyewitness report
Yesterday I attended the Battle of the Geeks. It was hosted by Finalist at the Netherlands Architecture Institute in Rotterdam. There were four presentations about different subjects. CMS Container, …
How to Unit-test private methods
I know it’s kind of wrong to test private methods and there are a lot of articles and books that will explain you why. But sometimes you have an …
GlassFish V2/9.1 FCS has been released
GlassFish is the first open source application server to have implemented the JEE specification. Basically it is the open source version of Sun Java System Application server. Last night …
Minify all your JavaScript and Stylsheets automatically with YUI Compressor and a Servlet Filter
In this article I will explain how to minify all your .js and .css files automatically with a servlet filter. This means you only have to define a servlet …
A quick introduction to the jQuery tablesorter plugin
A few days ago version 2.0 of the tablesorter plugin was released. Before 2.0 the tablesorter worked fine but I never did anything with it. Today I thought it …
How to fix your number-sorting problems in Javascript
Did you ever wanted to sort in Javascript and were the results unpredictable? It’s not a bug, but more something that’s not implemented. I came across this problem when …
Getting started with JPA mapping : How IntelliJ can map your data with a few clicks
With JPA, there finally is an ORM standard and every major IDE has support for it. Today I will show you how to map your data with IntelliJ IDEA. …
How to execute a search by pressing the ENTER key in UIX
July 27, 2007
Development Tools, IT, Java, Oracle Application Development Framework, Web/Java
2 Comments
Many end users are used to pressing enter after inserting one or more search terms in an HTML form. Many, if not most, online search engines support this. Unfortunately, …
Do you really know how for-loops work? How to speed up your for loops
Did you know that the second parameter of a three parameter for loop gets executed on every loop? When this parameter is an expensive operation this could slow down …
Getting started with Eclipse 3.3 WTP 2.0 and JSF – will this JSF editor beat JDeveloper?
A few days ago a brand new Eclipse release popped up in my RSS reader. Eclipse 3.3 with WTP 2.0. After browsing through the new features I was very …
Using the javax.xml.bind annotations to convert Java objects to XML and XSD
May 30, 2007
Java, Software Development, Software Engineering, Tools, Web HTML5 CSS3, Web/Java, XML
4 Comments
Did you know that when you put the @XmlRootElement annotation on any class you can have an XML representation of that class? When I first saw Java 6 I …
Getting started with Derby – The java database bundled with Java 6
May 24, 2007
Databases, DBA Oracle, Java, Software Development, Tools, Web HTML5 CSS3, Web/Java
1 Comment
I often need a database to perform some quick tests. I usually start my Oracle instance. This takes some time and for most things it’s overkill. So a database …
A quick look at Guice A dependency injection framework by Google
May 20, 2007
Architecture, Java, Software Development, Software Engineering, Tools, Web HTML5 CSS3, Web/Java
5 Comments
About a month ago I read an entry on Dion Almaer’s blog about Google Guice. On the blog is a link to a video of a google tech talk …
Changing the colors of a bar chart in JFreeChart – Does it really have to be this much work?
The default colors of the first two bars in a bar chart are red and blue. We created a chart for a customer, but he wanted red and green …
Java Platform Debugger Architecture (JPDA) with Tomcat, OC4J, Eclipse, IntelliJ IDEA and JDeveloper
With JPDA it is possible to propagate changes to compiled classes to the server immediately. This is very handy when you’re debugging your class files. With some older applications …
Image Concatenation to limit http requests is it a solution?
After reading an article about image concatenation on Ajaxian I tried it myself, but soon I came across some obstacles. Of course one of these obstacles was the limp …
Unit testing Javascripts in Java 6 – Getting started with the javax.script api
April 19, 2007
IT, Java, Software Development, Software Engineering, Web HTML5 CSS3, Web/Java
5 Comments
I intended to reduce the things I do with Javascript. But maybe Javascript isn’t that bad when you can run it inside java. I’m still working on a very …
How to trace a java application through a connection pool using DBMS_MONITOR
April 4, 2007
Database, DBA Oracle, Development Tools, Java, Oracle, Oracle WebLogic Server, PL/SQL, Web/Java
3 Comments
Much has been written on how to trace database sessions through a java application in all sort of different techniques. Since Oracle 10g a new technique is added to …
Using the Spring DataBinder to map Strings to objects
The Spring DataBinder is not only useful to bind request parameters, you can also use the DataBinder on other parameters, like command line arguments, JSON objects coming from an …
How to programmatically add a CDATA section to an XML document (with the internal Xerces)
This problem probably sounds very easy and it is actually very easy, but it took me so long to figure this out I think it’s worth a blog. I’ll …
Firebug 1.0 is final
January 27, 2007
Announce / Events, IT, Java, Software Development, Web HTML5 CSS3, Web/Java
No Comments
The best thing after sliced bread has reached a new milestone, version 1.0. Firebug is a great tool for HTML, DOM and especially Javascript. A lot of people from …