Archive for the ‘Java’ Category

Builder pattern

Consider using a builder pattern when faced with classes that have constructors that take a large number of parameters.

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Posted in: Java | June 28, 2011
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Generate entity classes with Hibernate Tools

I recently gave a try to reverse engineering a database into entity classes by using Hibernate Tools. And it is quite cool.

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Posted in: Java, Programming | May 24, 2011
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Insert image in iReport using xml datasource

When using an XML file as a datasource for a report designed with iReport-Designer for JasperReports, you sometimes want to add an image, which also should be retrieved from the XML datasource. For this, we have to first find a way to represent that image in the XML file, and then, interpret it from there [...]

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Posted in: Java | May 5, 2011
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GWT 2.1 – Uploading a file using the RPC mechanism

Uploading a file in a project using GWT/EXT-GWT can be done in 2 ways : creating a separate servlet or using a library like the one presented here. Normally, because of browser security restrictions you can’t upload a file using RPC. But normally doesn’t mean never. This article will show you how to upload files [...]

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Posted in: Java, Software Development, Web Development | April 19, 2011
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jColibri and data base connectors

jColibri is a Java framework developed for designing and implementing Cased Based Reasoning  (CBR) applications.  CBR is the process of solving new problems based on the solutions from past problems and has been developed by Roger Schank together with his students from the Yale University in the early 1980. Since then, CBR has become one [...]

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Posted in: Java, Software Development, Web Development | April 18, 2011
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GWT2.1 UI Binder internationalization

Building an internationalized application with GWT and UI Binder requires some steps to be followed: For every <ui:UiBinder> tag inside each view, the following attributes need to be provided

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Posted in: Java, Uncategorized | April 18, 2011
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GWT/GXT – File Upload

If you are looking for a straightforward file upload solution in your Google Web Toolkit/Ext GWT based project, this article might help you. The problem with uploading files in such an application is that we can’t use the GWT RPC infrastructure for this. On the server side, the RemoteServiceServlet expects the request to be a [...]

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Posted in: Java | March 3, 2011
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Meet Ropardo at Cebit 2011

CeBit opens its gates again: the 1st of March, in Hannover Germany. We are a strong and dynamic enterprise with emphasis on the development of IT solutions with the newest technologies for complex business procedures. We present a new product: MANAGED NEARSHORE Software development, Software maintenance and Server maintenance (ITIL) With this innovative product your [...]



Posted in: Java, News, Web Development | February 15, 2011
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Regular expressions

Regular expressions (or regexp) are used in programming to identify a template, a model, or elements that repeat in a predictable manner. They are a special sequence of characters that help you match or find strings or sets of strings, using a specialized syntax. Regular expressions reduce development time, because it takes only one line [...]

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Posted in: Java | December 2, 2010
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JAX-WS Webservices

This article will briefly describe how to create a JAX-WS webservice with JBoss 5.1 and how to avoid JAXB serialization/deserialization problems that might arise during the deploy process of the webservice.

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Posted in: Java | October 27, 2010
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