Category: Software Development
My first days at AMIS I examined JasperReports (v. 0.6.3), an open source report-generating library. This tool is entirely written in Java and uses XML report templates to generate …
This post discusses how a Web Service can be consumed from PL/SQL inside the Oracle Database through the use of Java Stored Procedures. In this article, we will create …
I found a very interesting article on how to get started – and what to expect – from Lucene, the Jakarta Apache text search engine library written entirely in …
In a project I’m working on we have a HTML table with many columns for editing certain records. The users requested the possibility to lock the first column so …
OpenVPN is an open source VPN implementation which can be found on http://www.openvpn.net With OpenVPN, you can: tunnel any IP subnetwork or virtual ethernet adapter over a single UDP …
I have some vague plans for presenting statistics using SVG and a World Map. I was thinking for example about the spread of the visitors of our Website across …
During the last few years I have had several occasions to wonder who used the website and web-applications I had helped develop and deploy. Most recently I had this …
Tonight I completed a paper on using JDeveloper as a tool for Database Design and Generation as well as PL/SQL Development. This paper is in Dutch and will be …
SVG in combination with XML/XSLT is a tremendously powerful architecture to produce dynamic charts based on XML data – that can easily be generated from databases such as Oracle …
In July 2004 we at AMIS started this Weblog. Initially we primarily wanted to share knowledge among all people working at AMIS. Later we decided to make the Blog …
Yesterday I needed to validate some XML against a schema definition. I had a tool for that at hand, but alas, it failed to work. Looking for another way …
When working on a project I like to precompile my JSPs just to test if haven’t made any (syntax) errors or forgot any resources, without having to deploy them …
Leon van Tegelen
January 4, 2005
AMIS, Announce / Events, Development Tools, IT, Java, Oracle, Oracle WebLogic Server, Tools, Web HTML5 CSS3, Web/Java
For some time now there have been some excellent viewlets on OTN on the functionallity of the next generation JHeadStart version which will work with Oracle Application Development Framework …
JDeveloper release 10.1.2 is finally available for download (here). This is a maintenance release with some new features and over 1,000 bug fixes for JDeveloper 9.5.0.2.
This post discusses how data retrieved from a MySQL or Oracle database using the JSTL SQL tags is processed as XML document, transformed using XSL and rendered as SVG …
Introduction Although UML 2.0 is not completely new, I was not able to have a look at it until now. For people like me, and for other people who …
While working on more advanced Statistics Reporting for our weblog, I did some investigations into JSTL and more specifically the XML and SQL tags. Yes, I know I have …
BPEL is emerging as the standard for assembling a set of discrete services into an end-to-end process flow, radically reducing the cost and complexity of process integration initiatives. The …
Yesterday we had a technical session at Amis on ADF. In one discussion a concern was raised on how all the ADF metadata and the abstractionlayers would affect performance. …
During my current project, i encountered jWebUnit, a unittesting framework based on jUnit and HttpUnit. Old news for some, new for me. Since we already had some posts on …
The Oracle JDeveloper release 10.1.3 Developer preview release can be downloaded from OTN. See JDeveloper Homepage “The Oracle JDeveloper 10g (10.1.3) release adds many new features, including a new …
For one of our projects, we wanted to copy the contents of our production database to the test database. Both databases are accessible via JDBC. After an investigation of …
There is a simple way to use the Expression language you use in JSTL expressions in your JSP’s, in ADF’s DataAction. Actually anywhere you can get hold of a …
Every once in a while for no apparent reason a JDeveloper ADF/Struts project gets corrupted. When compiling the project I get an error that a certain class cannot be …
On OTN there is an excellent online seminar (replay) on the TopLink Object-to-XML support. This feature, which will be available in the upcoming 10.1.3 release, allows converting XML files …
In the whitepaper titled Modeling Stateful Resources with Web Services by Ian Foster et. al. the latest developments with respect the modeling of state with web services are very …
If you’ve created a J2EE JHeadstart/BC4J application and you want to deploy it to the Oracle Application Server, it works easily. If you want to deploy it to IBM …
During development it is sometimes necessary to able to run your webapplication under SSL. To obtain a test certificate from verisign can sometimes take a little too much time …
Steve Muench wrote up a superb overview of the most commonly used classes, interfaces & their methods in the ADF BC framework (formerly known as BC4J). You might want …
In one of the projects I’m involved in we have to make use of specific Oracle JDBC features. The application runs on Tomcat 5.0.27 and connects to the database …
Last year I spent a lot of time on a project using Eclipse as IDE. I like it very much. I allways call it a real developers tool. It …
In Struts, JAAS, Tomcat: getting acquainted (part 1) it was discussed how to employ JAAS authentication for custom and/or legacy realms under Tomcat. As authorization was left unaddressed, we …
In Hibernate + Middlegen Roundtrip Development applied it was shown how to generate Hibernate POJOs + mapping files from a legacy (SQL server) database. As soon as business objects …
The Java Authentication + Authorization Service (JAAS) provides a standard API for making non-standard (i.e. custom) realms available to your application server, see e.g. this article on JavaWorld. To …
Profiling makes it possible for developers to track down in what code their application spends its time. Check out this Eclipse plugin for profiling Java applications. Looks really good. …
In this post I collect references to interesting articles on a variety of topics – Java, SQL, Business Intelligence, Web Services, HTML/CSS, JavaScript – that I have come across. …
In my last post I reviewed the Omondo EclipseUML Free Edition. In this post I want to present a more elaborate description/howto, allowing myself to focus a bit more …
UML diagrams are used during (almost) the whole software product development life cycle: from requirements analysis (use case diagrams) to deployment (deployment diagrams). In this post I will review …
This weekend I installed the Google Desktop Search tool. It is currently in Beta, it is free, about 400K in size and can be downloaded from http://desktop.google.com/. After you …