JavaBeat Articles

The JBoss Application Server is a Java EE-certified platform for developing and deploying Java Enterprise applications. JBoss Application Server provides the full range of J2EE 1.5 features as well as extended Enterprise services including clustering, caching, and persistence. This book will show Java EE developers how to develop their applications...

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JMS API is Java Message Service API that allows components to communicate asynchronously. JMS enables two components to send and receive message without knowing each other. Spring provides support for JMS programming. Spring is a widely used framework to develop enterprise application. It is bundled with many APIs like AOP,...

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Java developers and Web designers today need more powerful tools to deliver the richer, faster, and smoother web experience that users now demand. JavaServer Faces is an advanced web application framework that includes hundreds of powerful, feature-rich, Ajax-enabled UI components that provide all of the functionality needed to build web...

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Customer management in VirtueMart includes registering customers to the VirtueMart shop, assigning them to user groups for appropriate permission levels, managing fields in the registration form, viewing and editing customer information, and managing the user groups. Let's dive in to these activities in the following sections....

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This book will show you how to get the most of the Community Edition of Aptana RadRails for developing Ruby on Rails projects. Apart from the features provided by RadRails, the book will give you an overview of working with the Eclipse IDE, and will show you how to use...

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Apache Geronimo provides a mechanism for users to extend its functionality through plugins. In this chapter, we will explore how to extend the functionality of Apache Geronimo, by using Geronimo plugins. In fact, all of the Java EE functionality in Apache Geronimo is installed as plugins. For example, the web...

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Hibernate allows transparent persistence, which means the application is absolutely isolated from the underlying database storage format. Three players in the Hibernate scene implement this feature: Hibernate dialect, Hibernate types, and HQL. The Hibernate dialect allows us to use a range of different databases, supporting different, proprietary variants of SQL...

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This book is a guide for developing RESTful web services using Java and the most popular RESTful Java frameworks available today. This book covers the theory of REST, practical coding examples for RESTful clients, a practical outline of the RESTful design, and a complete implementation of a non-trivial web service...

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In the world of Rich Internet Applications (RIA) development, Ext JS stands out as a cross-browser JavaScript library that offers the applications developer a powerful toolset. With a set of customizable user interface widgets similar to those found in desktop operating systems, an effective data binding model, a comprehensive programming...

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This chapter deals with AJAX programming in ColdFusion. ColdFusion acts a great platform not just because of its code features, but because of its characteristics as to how the code interacts with other features. ColdFusion is a language with depth and power. Yet, as we developers know, it seems real...

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In this book, you will learn how Facelets and Seam are used to get the most out of JSF. You start out by learning where Trinidad comes from and what its aims are. Additionally, you will also learn the often occurring tag attributes and, in particular, Trinidad's Ajax technology. You...

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Pentaho Reporting lets you create, generate, and distribute rich and sophisticated report content from different data sources. Knowing how to use it quickly and efficiently gives you the edge in producing reports from your database. If you have been looking for a book that has plenty of easy-to-understand instructions and...

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Creating PHP applications that respond quickly, avoid unnecessary page reloads, and provide great user interfaces, often requires complex JavaScript techniques. Even then, if you get that far, the results might not work across different browsers! With jQuery, you can use one of the most popular JavaScript libraries, forget about cross-browser...

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JBoss RichFaces is a rich component library for JavaServer Faces and an AJAX framework that allows easy integration of Ajax capabilities into complex business applications. Do you wish to eliminate the time involved in writing JavaScript code and managing JavaScript-compatibility between browsers to build an Ajax web application quickly?...

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ICEfaces is the technology leader in the integration of AJAX with the JEE stack. Its vendor, ICEsoft, offers a wide support for application servers, portal servers, and important open source frameworks. So, you do not have to bother yourself with the integration aspects of your project. You can focus on...

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WordPress for Business Bloggers provides advanced strategies and techniques to take your WordPress business blog from average to extraordinary. Whether you already have a blog, or are still in the planning stages, this book will show you how to use WordPress to create a highly successful blog for your business....

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There are many powerful Open Source Content Management Systems (CMSs) available to take the pain away from managing a web site. These systems are feature-rich, oft en easy to use, and free. Unfortunately, there are so many choices that it's tough to be sure which CMS is the right one...

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This book is intended to help you with developing applications on the latest release of the Domino platform. This book has been written by Notes/Domino 'insiders'. Collectively, we possess decades of Notes/Domino experience; we've been with the product since Notes 1.0, and since then have worked directly with customers to...

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So far, we have worked with 3D scenes showing 3D models with textures and different kinds of lights. We took advantage of C# object-oriented capabilities and we animated 3D models and moved the cameras. We have read values from many different input devices and we added physics, artificial intelligence, amazing...

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The OpenLDAP directory server is a mature product that has been around (in one form or another) since 1995. All of the major Linux distributions include the OpenLDAP server, and many major applications, both, Open Source and proprietary, are directory aware, and can make use of the services provided by...

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All applications that provide communication between computers on the Internet use IP addresses to identify communicating hosts. However, IP addresses are difficult for human users to remember. That is why we use the name of a network interface instead of an IP address. For each IP address, there is a...

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If you can write WordPress plugins, you can make WordPress do just about anything. From making the site easier to administer, to adding the odd tweak or new feature, to completely changing the way your blog works; plugins are the method WordPress offers to customize and extend its functionality. This...

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Scalix email and calendaring, HP OpenMail, and Samsung Contact: these three names stand for some of the most powerful open-source-based groupware solutions available. This book sets out to explain their fundamentals to Linux administrators....

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Most web applications have rather simple error handling strategy. When an error occurs, the script terminates and an error page is presented. The error should be logged in the error log, and the developers or maintainers should check the logs periodically. The most common sources of errors in database-driven web...

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jQuery is a powerful, yet easy-to-use JavaScript library that helps web developers and designers add dynamic, interactive elements to their sites, smoothing out browser inconsistencies and greatly reducing development time. In jQuery Reference Guide, you can investigate this library's features in a thorough, accessible format....

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In this chapter, we will discuss the JBoss Tools Palette, which is a very useful tool designed especially for speeding up the development of JSP, JSF, HTML, XHTML or any other text file that contains tags. In principle, JBoss Tools Palette is a collection of common tags, exposed through a...

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This book introduces basic SOA concepts and shows how you can use NetBeans and OpenESB tools to design and deploy a composite application. After introducing the SOA concepts, you are introduced to various NetBeans Editors and aids that you need to understand and work with to design a composite application....

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A web mashup is a new type of web application that uses data and services from one or more external sources to build entirely new and different web applications. Web mashups usually mash up data and services that are available on the Internet—freely, commercially, or through other partnership agreements. The...

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Java web application development has something of a checkered history; simple isn't it. There may be more than one way to skin a cat, but there are almost infinite numbers of ways to build a Java web application. The options that are available are mind-boggling. Which database server to use?...

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Messaging in a large enterprise is common and a WebSphere administrator needs to understand what WebSphere Application Server can do for Java Messaging and/or WebSphere Message Queuing (WMQ) based messaging. Here, we will learn how to create Queue Connection Factories (QCF) and Queue Destinations (QD) which we will use in...

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This book is about ensuring project success for PHP teams. It explores technical as well as non technical aspects that matter when achieving project success. On the technical front, designing to divide complexity to conquer complex problems, keeping things simple in the design, choosing the right process, and monitoring and...

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JasperReports allows you to create better looking reports with formatting and grouping, as well as adding graphical elements to your reports. You can also export your reports to a range of different formats, including PDF and XML. Creating reports becomes easier with the iReport Designer visual designing tool. To round...

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Using WordPress, you can easily create dynamic blogs and websites with great content and many outstanding features. It is an ideal tool for developing blogs and though it is chiefly used for blogging, it can also be used as a complete CMS for a regular website with very little effort....

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MySQL, launched in 1995, has become the most popular open source database system. The popularity of MySQL and phpMyAdmin has allowed many non-IT specialists to build dynamic websites with a MySQL backend. This book is a short but complete guide showing beginners how to design good data structures for MySQL....

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In this book you will learn about employing this MVC web framework, which is written in Python—a powerful and popular programming language. The book emphasizes utilizing Django and Python to create a Web 2.0 bookmark-sharing application, with many common features found in the Web 2.0 sites these days. The book...

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This book is a tutorial for creating a complete website with Ruby on Rails (RoR). It will teach you to develop database-backed web applications according to the Model-View-Controller pattern. It will take you on a joy ride right from installation to a complete dynamic website. All the applications discussed in...

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This book shows how, with UML, simple models of business processes and specification models can be created and read with little effort. Most books deal with UML almost in its entirety. However, often lack of time, previous knowledge, or motivation to deal with the topic with the necessary intensity prevents...

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In the previous chapter, we learned what the Seam Framework is, and what it offers to Java developers. In this chapter, we are going to start learning how to develop applications using Seam, and we will see some of the features we had discussed previously. In this chapter, we will...

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Dojo is arguably the most feature-packed Ajax toolkit available today, with a wide variety of functionality. It can be used sparsely to just add effects or styling to your web page, or it can be used for complex layouts, caching data stores, and interactive 2D graphics—the choice is yours. This...

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Internationalization is a complex and involved subject. In brief, it refers to the automatic rendering of an application in the user's chosen language. It relates not only to the text itself, but also to numbers, date format, and currency values. Special symbols and alphabetical sorting in different languages bring interesting and unexpected problems with...

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Competing in today's world requires a greater emphasis on strategy, long-range planning, and decision making, and this is why businesses are building data warehouses. Data warehouses are becoming more and more common as businesses have realized the need to mine the information that is stored in electronic form. Data warehouses...

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When working in data warehouse environments, the Extraction—Transformation— Loading (ETL) cycle frequently requires the user to load information from external sources in plain fi le format, or perform data transfers among Oracle database in a proprietary format. This requires the user to create control fi les to perform the load. As the format of...

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The Oracle Scheduler can be used to automate not only the simple maintenance tasks, but also the complex business logic. Traditionally, only PL/SQL could be executed in the Scheduler. Later, operating system scripts were added to it, and now we can run jobs on remote systems and cross platform as well. This can...

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jQuery effects certainly add fl air, as is evident when we see elements gradually slide into view instead of appearing all at once. However, they can also provide important usability enhancements that help orient the user when there is some change on a page (especially common in AJAX applications). In this chapter, we...

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In this chapter, we will be exploring the Service Engine. Services in OFBiz operate in a Service Oriented Architecture (SOA). These services not only have the ability to invoke other services internally, but can also be 'opened up' and invoked by remote applications using, amongst other methods, the widely adopted messaging protocol SOAP....

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Business rules implementations presented so far were aimed mostly at developers. However, it is sometimes needed that these rules are readable and understandable by the business analysts. Ideally, they should be able to change the rules or even write new ones. An important aspect of business rules is their readability and user friendliness. Looking...

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Every developer's favorite task is documenting their application (or so I've heard). As irritating as documentation can be, delivering a complete solution implies comprehensive, usable documentation. This goes beyond (but includes) typical Javadocs. However, more is required in order to understand how a particular application works, how its parts fi t together, where dependencies...

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Rich Internet applications (RIAs) are a new breed of web applications that are capable of doing things such as loading and handling heavy data ten times faster than HTTP, designing great-looking and sophisticated user interfaces that resemble desktop-based applications, and having the possibility of utilizing existing server technology such as Java, that would have...

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In the last chapter we took a tour with the Guvnor and used it to write our fi rst business rule, and printed out a traditional 'Hello World' message. Although this rule is a major step forward for us, we're not really using the full power of the Drools rule engine. In this...

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The main focus of the Spring Web Flow framework is to deliver the infrastructure to describe the page fl ow of a web application. The fl ow itself is a very important element of a web application, because it describes its structure, particularly the structure of the implemented business use...

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XPath is a language for addressing an XML document's elements and attributes. As an example, say you receive an XML document that contains the details of a shipment and you want to retrieve the element/attribute values from the XML document. You don't just want to list the values of all...

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This article discusses the new features that are available in Java 7.0. Java 7.0 comes with bunch of new features – language level changes as well as API level changes and this article concentrates on the new API features such as Cache API, New Date and Time API and New...

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This Article presents two important new features of EJB 3.0 which is bundeled with Java EE 5.0 specification, which are Annotations and Dependency Injection. The solid reason for this artice is , it will give us an idea how these features are used, so on their encounter in other articles...

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Developing powerful web applications with clean, manageable code makes the maintenance process much easier. Aspect-Oriented Programming (AOP) is the easiest and quickest way to achieve such results. Spring is the only Java framework to offer AOP features. The combined power of Spring and AOP gives a powerful and flexible platform...

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Enterprises need more than just basic services; they need value-creating entities, which are crucial for running a successful business. Portals offer tremendous value to enterprises, and JBoss Portal Server is a popular, feature-rich open-source server that provides a standards-compliant platform to host functionality that serves the diverse portal needs of...

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BlazeDS is the server-based Java remoting and web messaging technology. BlazeDS enables Adobe Flex and Adobe AIR applications developers to easily connect to back-end distributed data and push data in real-time. BlazeDS makes use of AMF3 protocol which is similar to SOAP, but AMF3 protocol is a binary protocol and...

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Servlets are Java programming language classes that dynamically process requests and construct responses. The Java Servlet API allows a software developer to add dynamic content to a Web server using the Java platform. The generated content is commonly HTML, but may be other data such as XML. Servlets are the...

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Java Database Connectivity (JDBC) is an API for the Java programming language that defines how a client may access a database. It provides methods for querying and updating data in a database. JDBC is oriented towards relational databases. The Java 2 Platform, Standard Edition, version 1.4 (J2SE) includes the JDBC 3.0...

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The Java Remote Method Invocation API, or Java RMI, is a Java application programming interface for performing the object equivalent of remote procedure calls. There are two common implementations of the API. The original implementation depends on Java Virtual Machine (JVM) class representation mechanisms and it thus only supports making calls...

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The Java Native Interface (JNI) is a programming framework that allows Java code running in the Java virtual machine (JVM) to call and be called by native applications (programs specific to a hardware and operating system platform) and libraries written in other languages, such as C, C++ and assembly....

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A Java exception is an object that describes an exceptional condition i.e., an error condition that has occurred in a piece of code. When this type of condition arises, an object representing that exception is created and thrown in the method that caused the error by the Java Runtime. That...

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Java Platform, Enterprise Edition or Java EE is a widely used platform for server programming in the Java programming language. The Java EE Platform differs from the Java Standard Edition Platform (Java SE) in that it adds libraries which provide functionality to deploy fault-tolerant, distributed, multi-tier Java software, based largely...

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The Java Message Service (JMS) API is a Java Message Oriented Middleware (MOM) API for sending messages between two or more clients. JMS is a part of the Java Platform, Enterprise Edition, and is defined by a specification developed under the Java Community Process as JSR 914....

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Java is a programming language originally developed by James Gosling at Sun Microsystems and released in 1995 as a core component of Sun Microsystems' Java platform. The language derives much of its syntax from C and C++ but has a simpler object model and fewer low-level facilities. Java applications are...

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Enterprise JavaBeans (EJB) is a managed, server-side component architecture for modular construction of enterprise applications. The EJB specification is one of several Java APIs in the Java Platform, Enterprise Edition. EJB is a server-side model that encapsulates the business logic of an application. The EJB specification was originally developed in 1997...

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A design pattern in architecture and computer science is a formal way of documenting a solution to a design problem in a particular field of expertise. The idea was introduced by the architect Christopher Alexander in the field of architecture, and has been adapted for various other disciplines, including computer...

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(JSF) is a Java-based Web application framework intended to simplify development of user interfaces for Java EE applications. Unlike request-driven MVC web frameworks, JSF uses a component-based approach. The state of UI components is saved when the client requests a new page and restored when the request is returned. Out...

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Hibernate is an object-relational mapping (ORM) library for the Java language, providing a framework for mapping an object-oriented domain model to a traditional relational database. Hibernate solves Object-Relational impedance mismatch problems by replacing direct persistence-related database accesses with high-level object handling functions. The Hibernate 2.1 framework won a Jolt Award...

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The Spring Framework is an open source application framework for the Java platform and .NET Framework[1]. The first version was written by Rod Johnson who released the framework with the publication of his book, Expert One-on-One J2EE Design and Development (Wrox Press, October 2002). The framework was first released under the...

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Most of the webapplications are implemented by Model-View-Controller(MVC) pattern. There are plenty of good frameworks use the MVC paradigm. Obviously, MVC becomes defacto standard for a webapplication because of it's maintainability and clear seperation of presentation layer and the business layer. Spring is one amoung the group, a lightweight container used in the...

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This article explains the new Java Module System that will be included in the Java 7.0 release. Modules are new to the java language and they provide a standard for developing and deploying applications. The article will explain the various sub components that are available as part of the Java...

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This article presents new features introduced in the Servlet 2.5. Servlet 2.5 is bundled with Java EE 5.0 edition and it has lot of new features. This version has major changes since it has to support the Java 5.0 version for all the J2EE technologies. One of the notable changes...

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This article presents what is new in the Java EE 6.0 edition. There is lot of new activities in the JCP expert groups to add more valuable features in Java EE 6.0 version. Roberto Chinnici and Bill Shannon are Spec Leads for the JSR 316. For the past two releases...

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This article introduces new unified framework for the Java EE environment, called Web Beans.This article is written based on the specification available at the time of writing this article. The specification for this framework is still under the public review, so there may be few changes before the final release....

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This article covers most of the important features available as part of Servlet 3.0 specification. Note that the Servlet 3.0 specification constantly keeps changing frequently with the reviews coming in and the features and the API's mentioned in this article is based on the specification that is available in JCP...

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Apache Axis2 is a core engine for web services with two implementations: Apache Axis2/Java and Apache Axis2/C. It is a complete redesign and rewrite of the widely used Apache Axis SOAP stack that builds on the lessons learned from the Apache Axis implementation of the SOAP submission to W3C. Apache...

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This article provides a basic introduction to the new features that are available in Spring 2.5. This article provides no aim in explaining about the fundamentals of Spring framework as well as the related theories. For a more fundamental understanding, refer Introduction to Spring. The article initially begins by explaining...

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RSS and Atom are the most widely used of many content syndication formats that have developed over the last few years to address the need to distribute and receive streams of content from websites and applications. Sites syndicate content for a broad variety of reasons, from replacing email as a...

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Learning the Yahoo! User Interface Library introduces the popular open-source YUI JavaScript library and takes the user through each of the fully released components in detail looking at the classes that make up each component and the properties and methods that can be used. It includes a series of practical...

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SOA Cookbook covers process-oriented SOA. BPEL is the best-known language in this area, and this book presents numerous BPEL examples. It also studies proprietary vendor process languages such as TIBCO's BusinessWorks and BEA's Weblogic Integration. If you are building SOA processes in the field, chances are you are using one...

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The EJB 3.0 specifi cation recognizes that many applications have the above persistence needs without requiring the services (security, transactions) of an application server EJB container. Consequently the persistence aspects of EJB 3 have been packaged as a separate specifi cation—the Java Persistence API (JPA). JPA does not assume we...

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Java Messaging Service opened the door for modeling the asynchronous mode of communication. It provides a common way of sending and receiving messages by having a middle man, also called as Message Broker or Message oriented Middleware. Now with the capability of an asynchronous framework like JMS being integrated with...

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Before JSF was developed, Java web applications were typically developed using non-standard web application frameworks such as Apache Struts, Tapestry, Spring Web MVC, or many others. These frameworks are built on top of the Servlet and JSP standards, and automate a lot of functionality that needs to be manually coded...

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JMeter is found to be very useful and convenient in support of functional testing. Although JMeter is known more as a performance testing tool, functional testing elements can be integrated within the Test Plan, which was originally designed to support load testing. Many other load-testing tools provide little or none...

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In this chapter, we will get to the actual hands-on work. We will develop samples based on DWR, which show how to dynamically change the common user interface elements such as tables and lists as well as fi eld completion. We also make a dynamic user interface skeleton for our...

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In order to make testing easy, we implemented the dialog as a public class called SaveAsDialog, rather than as an inner class of the main user interface component. We might normally balk at giving such a trivial component its own class, but it is easier to test when written this way and it...

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Unlike Eclipse IDE, which requires a plug-in, JDeveloper has a built-in provision to establish a JDBC connection with a database. JDeveloper is the only Java IDE with an embedded application server, the Oracle Containers for J2EE (OC4J). This database-based web application may run in JDeveloper without requiring a third-party application...

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Developing a Spring Framework MVC application step-by-step using NetBeans...

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The Spring Framework provides a supportive utility library for sending email that shields the user from the essentials of the core mailing system and is dependable for low level resource handling on behalf of the customer. Spring Framework uses the following package as a root level package for the email support:...

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Java API for XML Web Services(JAX-WS) is an important part of latest JEE specification (Java EE 5 platform). In this article we will see how to develop JAX-WS based web services using NetBeans 6.1 IDE. This article will not provide any of the theoretical information about JAX-WS....

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In this article we will see how to use Java Persistence API (JPA) in NetBeans 6.1 with in a Java application. The JPA was first introduced as part of the Java EE 5 platform. This article will not provide any of the theoretical information about JPA....

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This article discusses how an enterprise bean can act as a Web-Service component. Since Web-Services itself is a vast technology, the first part of the article discusses more about Web-Services. Specifically, the first part of the article discusses what Web-Services are, its unique features among other related technologies, its architecture,...

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This article presents the different scopes on Spring managed beans. This is one of the greatest advantage using spring's managed beans. Every bean definition can be declared with different scopes. If you are the beginner learning the Spring Framework first time, please read our introduction articles on the Spring Framework :...

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This book is a guide for developers interested in building websites using the OpenCms content management system. The book is intended for developers who are familiar with Java, JSP, and building web applications based on the Java J2EE framework....

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Liferay Portal is the world's leading open-source portal platform built on Java and Web 2.0 technologies. Corporations use it to provide a unified web interface to data and tools scattered across many sources. Liferay Portal uses the latest in Java, J2EE, and Web 2.0 technologies to deliver solutions for enterprises across...

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The fi rst chapter shows the theory and deployment of the ZK framework. Now it's time to do the things that we are here for: implementing applications with ZK. The next three chapters will show the detailed implementation of a small, but rich application. It's not really possible to use all components in...

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OK, so now you have BIRT installed; what now? You have heard so many great things about the BIRT Report Designer, and are eager to jump into creating some reports. However, you haven't ever worked with Eclipse or BIRT for that matter. At first glance the BIRT Designer can look...

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With the basic concepts out of the way, like any good programming book we now jump right into coding with the ubiquitous “Hello World” example. In this version of the classic example, we will press a button and trigger an asynchronous communication request using an XMLHttpRequest (XHR) object and the...

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One of the cool features available in Java 6.0 (Mustang) is the ‘Java Compiler API’. This API is a result of the JSR (Java Specification Request) 199 which proposes that there must be a standard way to compile java source files. The result of the JSR is the new ‘Java...

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You must have found the web applications are getting more and more complex and to maintain them is getting even harder. You now have to write or understand and maintain a large and complex page flows (flow of the application). If you are bugged down with creating such a complex...

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