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The following are some tips and tricks that can help you advance your application to the next level.

"You express your design intent in a textual DSL, from which Sculptor generates high quality Java code and configuration."

"Sculptor is an open source productivity tool. You express your design intent in a textual DSL, from which Sculptor generates high quality Java code and configuration."

"There are pros and cons for considering validation as business logic, and Spring offers a design for validation (and data binding) that does not exclude either one of them. Specifically validation should not be tied to the web tier, should be easy to localize and it should be possible to plug in any validator available. Considering the above, Spring has come up with a Validator interface that is both basic ands eminently usable in every layer of an application. Data binding is useful for allowing user input to be dynamically bound to the domain model of an application (or whatever objects you use to process user input). Spring provides the so-called DataBinder to do exactly that. The Validator and the DataBinder make up the validation package, which is primarily used in but not limited to the MVC framework. The BeanWrapper is a fundamental concept in the Spring Framework and is used in a lot of places. However, you probably will not have the need to use the BeanWrapper directly. Because this is reference documentation however, we felt that some explanation might be in order. We will explain the BeanWrapper in this chapter since, if you were going to use it at all, you would most likely do so when trying to bind data to objects. Spring's DataBinder and the lower-level BeanWrapper both use PropertyEditors to parse and format property values. The PropertyEditor concept is part of the JavaBeans specification, and is also explained in this chapter. Spring 3 introduces a "core.convert" package that provides a general type conversion facility, as well as a higher-level "format" package for formatting UI field values. These new packages may be used as simpler alternatives to PropertyEditors, and will also be discussed in this chapter."

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Many interactive Web applications are composed of brittle collections of interdependent Web pages. Such applications can be hard to maintain and extend. The Front Controller pattern defines a single component that is responsible for processing application requests. A front controller centralizes functions such as view selection, security, and templating, and applies them consistently across all pages or views. Consequently, when the behavior of these functions need to change, only a small part of the application needs to be changed: the controller and its helper classes.

Many interactive Web applications are composed of brittle collections of interdependent Web pages. Such applications can be hard to maintain and extend. The Front Controller pattern defines a single component that is responsible for processing application requests. A front controller centralizes functions such as view selection, security, and templating, and applies them consistently across all pages or views. Consequently, when the behavior of these functions need to change, only a small part of the application needs to be changed: the controller and its helper classes.

SchemaCrawler is an open-source Java API that makes working with database metadata as easy as working with plain old Java objects. SchemaCrawler is also a command-line tool to output your database schema and data in a readable form. The output is designed to be diff-ed with previous versions of your database schema.

JDBC 4.0 Enhancements in Java SE 6 Java Platform, Standard Edition (Java SE) version 6 (code name Mustang), is currently in its second beta release and is scheduled to be delivered in October of this year. Java SE 6 includes several enhancements to the Java Database Connectivity (JDBC) API. These enhancements will be released as JDBC version 4.0. The main objectives of the new JDBC features are to provide a simpler design and better developer experience. This article provides an overview of the JDBC 4.0 enhancements and what benefits they offer to enterprise Java developers. We will explore the new JDBC features with the help of a sample loan processing application using Apache Derby as the back-end database.

A tutorial on how to create a web application using basic Spring MVC from spring-framework 3.0.5. We will design our web-based application based on the standard Spring MVC where request to the web-app will be routed to a Controller module, then to it's jsp View with data from our business Model

Squill is a slick internal DSL for writing SQL queries in pure Java. It uses the database metadata and generics to catch as many errors as possible during compilation and is almost completely typesafe. At the same time it is designed to allow everything SQL allows you to do, exactly the way SQL is meant to do it. This means that you're encouraged to select only the data you need and no hidden queries are generated for you, leaving you in full control of the query performance. Squill also supports database-specific extensions, allowing you to both use advanced features and fully tweak your queries.

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best, fastest and most programmer friendly free CSV package for Java. Super Csv's unique features raises the bar and sets a new standard for CSV packages. Super Csv is designed around solid Object-oriented principles, and thus aims to leverage your Object-oriented code, making it easier to write and maintain.

SmartSprites will let you easily introduce and maintain CSS sprites in your designs. SmartSprites parses special directives you can insert into your original CSS to mark individual images to be turned into sprites. It then builds sprite images from the collected images and automatically inserts the required CSS properties into your style sheet, so that the sprites are used instead of the individual images. SmartSprites parses special directives you can insert into your original CSS to mark individual images to be turned into sprites. It then builds sprite images from the collected images and automatically inserts the required CSS properties to your style sheet, so that the sprites are used instead of the individual images. In other words, no tedious copying & pasting to your CSS when adding, removing or changing sprited images. Just work with your CSS and original images as usual and have SmartSprites automatically transform them to the sprite-powered version when necessary.

"The NetKernel Resource Oriented Computing (ROC) platform separates architecture from code. With ROC you can compose your architectural design independently from implementation code. By keeping the details of code separate from high-level information architecture you gain: freedom of choice in implementation language rapid click-fit compositional development long-term evolvable solutions Threading and scheduling is managed by the microkernel so your code execution is efficiently optimised with linear scaling on multi-core without the need to learn new languages. Something brand-new also comes from separating architecture and code. NetKernel provides system-wide caching of every area of your system. For free. No configuration. NetKernel learns what information is reusable and reuses it. This makes NetKernel systems fast. Very fast."

The goal of the Eclipse Scout project is making it easy to build distributed enterprise applications based on the Eclipse platform. It consists of a runtime framework providing transparent service communication between the client and backend part and is shipped with a rich set of common user interface components. The user interface is not built for a particular rendering technology but it encapsulates the core functionality into a headless model. GUI factories are available for rendering the client model into a particular target UI platform. SWT and Swing are supported out of the box and an AJAX GUI factory could be easily added. Developing Scout applications is supported by the Scout SDK, a plug-in set built on top of Eclipse PDE and Eclipse JDT. The Scout SDK works directly on the bare Java resources and assists the development task by providing an augmented view on the underlying Java code. Additionally, it comes with a rich set of wizards and operations for modifying the Scout application project just by editing the underlying Java code. There is no meta-data required. Hence a developer can switch between editing resources using Eclipse's standard editors and leveraging the features of Scout SDK at any point in time. Eclipse Scout can be used to create multi-tier client/server applications, standalone client applications or OSGi-based server applications. Basically, there are three main advantages when choosing Scout as your framework for building such applications. First, the Scout runtime is service oriented by design. Almost every functionality is provided as an OSGi service. Every OSGi bundle may make use of them. Second, Scout provides a rich set of UI elements being uncoupled from a particular GUI technology. And third, building distributed client/server applications is as easy as if both parts would run within the same local JVM.