Welcome!

Related Topics: Java IoT

Java IoT: Press Release

OpenXava 5.0 Released

Rapid Development for Java

OpenXava is an Java Framework for Rapid Development of Enterprise Web Applications. In OpenXava you only have to write the domain classes in plain Java to get a web application ready for production.
This 5.0 release has a new look & feel, includes module navigation, user login/logout (so you do not need Liferay anymore), inline editable collections (just like a spreadsheet), a new editor to attach files to your entity, and many many more things.

We invite you to download it and upgrade your OpenXava applications. Look at the migration instructions.

New look & feel

Just have a look at the demo to see the new look & feel.

Module navigation

At last, your OpenXava applications will include menus to access the modules:


So, you do not need use Liferay for providing module navigation to your application, a simple Tomcat is enough. Anyways, you can still deploy your application on Liferay where these new menus are not shown.

User login

Now your application will ask your user to sign in:

So, you do not need to use Liferay to provide user login/logout. Anyways, If you deploy on Liferay this login/logout mechanism will not be used. Moreover, you can disable it if you wish, for testing or for public applications.

Editable collections

In OpenXava 5.0 you can have collections like this one:

Where the user can modify any property of any element in any moment, and where all collection elements are saved at once when the main entity is saved.
These collections are defined using @ElementCollection, a new annotation of JPA 2 specification. These are collections of embeddable object (not entities).
For defining an element collection just use @ElementCollection instead of @OneToMany: Download OpenXava 5.0

@ElementCollection
@ListProperties("product.number, product.description," +
    "product.unitPrice, quantity, " +
    "amount[invoice.sum, invoice.vat, invoice.total]")
private Collection<InvoiceDetail> details;

And define the class for the element collection as @Embeddable instead of @Entity:

@Embeddable
public class InvoiceDetail {

The generated user interface for this code will be:


You can see how these collections support calculated properties, references, totals, etc.

Editor to attach files

Until now to attach files to your entities you should create your own editor. That is no longer needed, now you can use the new FILE stereotype, thus:

@Stereotype("FILE")
@Column(length=32)
private String trailer;

To get this:

It can be configured to store the files in the database or the file system.

Others improvements

We have done a lot of improvements in other areas:

  • New renderer engine to layout the user interface.
  • Look and feel of date editor improved.
  • Several reports in one PDF with the new JasperConcatReportBaseAction.
  • @Collapsed annotation to initiate collections and references with the frame closed. Also allowed in XML components.
  • New NoCustomizeList controller for disabling list customization to a specific module.
  • The user can share a report of 'My reports' with all other users.
  • New Addons project added to distribution to contain extended features outside of the OpenXava core.
  • New InvoiceDemo project added to distribution.
  • Groovy upgraded to 2.2.2.
  • JasperReports upgraded to 5.5.1.
  • DWR upgraded to 2.0.10.
  • JSTL upgraded to 1.2 using Apache Standard Taglibs 1.2.1.
  • JavaMail upgraded to 1.5.1.
  • Upgrade of commons libraries to: beanutils 1.8.0, logging 1.1.1, digester 2.1, codec 1.9, fileupload 1.3.1, io 2.4, lang 2.6, validator 1.4.0.
  • Upgrade to Servlet 2.5 and JSP 2.1.
  • Added Commons Lang3 3.2.1 library.
  • Tomcat 7 included in distribution.
  • Dropped IE6, IE7 and IE8 support.
  • Using module.jsp to execute modules from browser is no longer supported.
  • Dropped Java 5 support, from now on Java 6 or better is required.
  • Dropped WebSphere 6.1 and WebSphere Portal 6.1 support.
  • Dropped Tomcat 5.5 support.
  • Removed jakarta-oro library, only used by older commons-validator.
  • ejb.jar and jpa.jar added to WEB-INF/lib to facilitate deploying in Tomcat.
  • MiEscuela project removed from distribution.
  • AccessTracking removed from OpenXava distribution.
  • Objects class from org.openxava.util removed, you can use XObjects instead.
  • New is/setCollapsed() methods in View to close a frame of a reference or collection programmatically.
  • Added validateMinimum() and validateMaximum() to CollectionElementViewBaseAction.
  • New getPopupPDFPageCount() method in ModuleTestBase.
  • New methods setValueInCollection(), assertEditableInCollection() and assertEditableInCollection() in ModuleTestBase.
  • New method noFirstTokenWithoutFirstDelim() in Strings.
  • When @Digits is specified default scale is ignored even if fraction is not specified.
  • Performance of delete action in detail mode action improved.
  • Improved behavior with READ COMMITED isolation level.
  • New commit() and rollback() methods in BaseAction.
  • Methods Is.emptyString() and Is.emptyStringAll() allow infinite number of arguments.
  • clearCondition() method removed from ModuleTestBase.

Bug fixes

Though this is not a maintenance version we have done some fixes:

  • Fix: Double border when using .ox-frame in the CSS with new renderer.
  • Fix: Totals in collections frames are not shown with the new renderer.
  • Fix: assertListRowCount() method from ModuleTestBase fails when the value of summationInList property is false.
  • Fix: Subcontrollers fails in split mode.
  • Fix: Incorrect encoding in emails sent by Emails class.
  • Fix: Members inside @NoFrame are not aligned with the outside members.
  • Fix: Incorrect default size for java.lang.Boolean.
  • Fix: View broken on reload if the module is inside a HTML table.
  • Fix: Simple property after group without ; does not layout correctly.
  • Fix: A reference with @NoFrame inside a group produces an ugly layout.
  • Fix: Error messages for @Size in collections show 'Element' in English always, even if English is not used.
  • Fix: Top field with little margin on top with the new renderer.
  • Fix: Html id for frames not correct for references with new renderer.
  • Fix: Properties aligned by column when it should not in the new renderer.
  • Fix: Property icons are not aligned correctly with the new renderer.
  • Fix: Scale defined in default-size.xml is ignored when formatting.
  • Fix: Scale definition from @Column and @Digits is ignored when formatting.
  • Fix: The @LabelStyle annotation is not supported with the new renderer.

Download OpenXava 5.0

More Stories By Javier Paniza

Javier Paniza is the project lead for OpenXava project. He works as software developer at Gestión 400, a software company for public administration in Spain. He has been developing with Java Enterprise since 1998. Also he has been J2EE mentor for development teams in banking projects.

Latest Stories
It is of utmost importance for the future success of WebRTC to ensure that interoperability is operational between web browsers and any WebRTC-compliant client. To be guaranteed as operational and effective, interoperability must be tested extensively by establishing WebRTC data and media connections between different web browsers running on different devices and operating systems. In his session at WebRTC Summit at @ThingsExpo, Dr. Alex Gouaillard, CEO and Founder of CoSMo Software, presented ...
Enterprises are universally struggling to understand where the new tools and methodologies of DevOps fit into their organizations, and are universally making the same mistakes. These mistakes are not unavoidable, and in fact, avoiding them gifts an organization with sustained competitive advantage, just like it did for Japanese Manufacturing Post WWII.
DXWorldEXPO LLC, the producer of the world's most influential technology conferences and trade shows has announced the 22nd International CloudEXPO | DXWorldEXPO "Early Bird Registration" is now open. Register for Full Conference "Gold Pass" ▸ Here (Expo Hall ▸ Here)
In his session at @DevOpsSummit at 20th Cloud Expo, Kelly Looney, director of DevOps consulting for Skytap, showed how an incremental approach to introducing containers into complex, distributed applications results in modernization with less risk and more reward. He also shared the story of how Skytap used Docker to get out of the business of managing infrastructure, and into the business of delivering innovation and business value. Attendees learned how up-front planning allows for a clean sep...
Amazon started as an online bookseller 20 years ago. Since then, it has evolved into a technology juggernaut that has disrupted multiple markets and industries and touches many aspects of our lives. It is a relentless technology and business model innovator driving disruption throughout numerous ecosystems. Amazon’s AWS revenues alone are approaching $16B a year making it one of the largest IT companies in the world. With dominant offerings in Cloud, IoT, eCommerce, Big Data, AI, Digital Assista...
"Our strategy is to focus on the hyperscale providers - AWS, Azure, and Google. Over the last year we saw that a lot of developers need to learn how to do their job in the cloud and we see this DevOps movement that we are catering to with our content," stated Alessandro Fasan, Head of Global Sales at Cloud Academy, in this SYS-CON.tv interview at 20th Cloud Expo, held June 6-8, 2017, at the Javits Center in New York City, NY.
Recently, REAN Cloud built a digital concierge for a North Carolina hospital that had observed that most patient call button questions were repetitive. In addition, the paper-based process used to measure patient health metrics was laborious, not in real-time and sometimes error-prone. In their session at 21st Cloud Expo, Sean Finnerty, Executive Director, Practice Lead, Health Care & Life Science at REAN Cloud, and Dr. S.P.T. Krishnan, Principal Architect at REAN Cloud, discussed how they built...
"I focus on what we are calling CAST Highlight, which is our SaaS application portfolio analysis tool. It is an extremely lightweight tool that can integrate with pretty much any build process right now," explained Andrew Siegmund, Application Migration Specialist for CAST, in this SYS-CON.tv interview at 21st Cloud Expo, held Oct 31 – Nov 2, 2017, at the Santa Clara Convention Center in Santa Clara, CA.
As ridesharing competitors and enhanced services increase, notable changes are occurring in the transportation model. Despite the cost-effective means and flexibility of ridesharing, both drivers and users will need to be aware of the connected environment and how it will impact the ridesharing experience. In his session at @ThingsExpo, Timothy Evavold, Executive Director Automotive at Covisint, discussed key challenges and solutions to powering a ride sharing and/or multimodal model in the age ...
In IT, we sometimes coin terms for things before we know exactly what they are and how they’ll be used. The resulting terms may capture a common set of aspirations and goals – as “cloud” did broadly for on-demand, self-service, and flexible computing. But such a term can also lump together diverse and even competing practices, technologies, and priorities to the point where important distinctions are glossed over and lost.
When shopping for a new data processing platform for IoT solutions, many development teams want to be able to test-drive options before making a choice. Yet when evaluating an IoT solution, it’s simply not feasible to do so at scale with physical devices. Building a sensor simulator is the next best choice; however, generating a realistic simulation at very high TPS with ease of configurability is a formidable challenge. When dealing with multiple application or transport protocols, you would be...
As organizations shift towards IT-as-a-service models, the need for managing and protecting data residing across physical, virtual, and now cloud environments grows with it. Commvault can ensure protection, access and E-Discovery of your data – whether in a private cloud, a Service Provider delivered public cloud, or a hybrid cloud environment – across the heterogeneous enterprise. In his general session at 18th Cloud Expo, Randy De Meno, Chief Technologist - Windows Products and Microsoft Part...
"Venafi has a platform that allows you to manage, centralize and automate the complete life cycle of keys and certificates within the organization," explained Gina Osmond, Sr. Field Marketing Manager at Venafi, in this SYS-CON.tv interview at DevOps at 19th Cloud Expo, held November 1-3, 2016, at the Santa Clara Convention Center in Santa Clara, CA.
Data is the fuel that drives the machine learning algorithmic engines and ultimately provides the business value. In his session at Cloud Expo, Ed Featherston, a director and senior enterprise architect at Collaborative Consulting, discussed the key considerations around quality, volume, timeliness, and pedigree that must be dealt with in order to properly fuel that engine.
Detecting internal user threats in the Big Data eco-system is challenging and cumbersome. Many organizations monitor internal usage of the Big Data eco-system using a set of alerts. This is not a scalable process given the increase in the number of alerts with the accelerating growth in data volume and user base. Organizations are increasingly leveraging machine learning to monitor only those data elements that are sensitive and critical, autonomously establish monitoring policies, and to detect...