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Open Source JavaOpen Source Java includes projects and initiatives including Apache's Jakarta (including Ant) and Batik.What is Java Content Repository By Sunil Patil You might have heard of JSR-170, but what is a content repository, and what can you do with it? Well, do you want to manage documents with versioning, search, access control, and more? Content repositories offer these features, and JSR-170 codifies them into a single API. Sunil Patil shows how to use the reference implementation--Apache Jackrabbit--to create a blogging application. Oct. 4, 2006 Tapestry: A Component-Centric Framework By Hemangini Kappla Tapestry offers an open source framework for rapid development of web applications using Java. It offers high performance, good code re-use, line-precise error reporting, and more. Hemangini Kappla offers an introduction to this widely used framework. Sep. 27, 2006 Eclipse RCP: A Platform for Building Platforms By Wayne Beaton Where do you start when building a Java desktop application? All Java gives you by default is public static void main (String[]); it's up to you from there. Eclipse's Rich Client Platform (RCP) offers a tested design, commonly-needed widgets, a standardized component model, pervasive extensibility, and more. Wayne Beaton has an introduction to get you up to speed with RCP-based development. Aug. 23, 2006 Ant 1.7: Using Antlibs By Kev Jackson Most Java developers use Ant to do builds and are familiar with its core tasks. But Ant's tasks tend toward an undesirable coupling: everything important had to be a core task because it was hard to distribute new plug-in tasks. Fortunately, Ant 1.7's new antlibs feature makes it much easier to distribute and use new Ant tasks. In this article, Kev Jackson shows you how to use, write, bundle, and test antlibs. Aug. 9, 2006 Deploying BIRT By Jason Weathersby If you have a need for generating or displaying reports, you may want to have a word with BIRT. The Business Intelligence and Reporting Tools project is an open source Eclipse effort to enable the creation and deployment of complex reports. Jason Weathersby shows you how to grind out reports and display them in web applications and RCP-based desktop apps. Jul. 26, 2006 What Is Geronimo? By Kunal Jaggi Geronimo is Apache's open source, Java EE-compatible application server, based on a flexible system of interchangeable components. This makes it ideal for a wide range of enterprise deployments. In this article, Kunal Jaggi shows you how to get started with Geronimo. Jul. 19, 2006 Outsourcing Java SE By Daniel H. Steinberg Many eyes are on Sun, awaiting the promised eventual open-sourcing of its Java SE implementation. But Daniel Steinberg has another idea: instead of open-sourcing Java, Sun should outsource it, so that it can be developed by parties more attuned to the needs and opportunities of cross-platform development. Jul. 12, 2006 What Is Jetty By Ethan McCallum Of course Tomcat is the first Java application server you think of, but is it the right tool for every job? The open source Jetty serves up JSPs and servlets in just a fraction of the memory needed by other app servers and is designed for easy embedding in other applications and non-traditional Java environments. Ethan McCallum takes a look at the big things in this small package. Jun. 14, 2006 Telling Stories at JavaOne By Daniel H. Steinberg JavaOne 2006 left attendees with an incomplete answer to the big question: will Sun open source Java? The answer was better than a definite maybe, but not by much. Daniel Steinberg looks back at the conference, its mixed message, and its many successes outside of the general sessions. May. 24, 2006 Using Lucene to Search Java Source Code By Renuka Sindhgatta Most uses of the Java-based Lucene search engine are for searching typical text documents. But what if you want to search Java code itself? Renuka Sindhgatta argues that this would be a boon for finding reusable code, and shows how to adapt Lucene to parse Java code for maximum searchability. Jan. 18, 2006 Give Your Business Logic a Framework with Drools By Paul Browne It's almost too easy to express your business logic as a spaghetti-code fiasco. The result is hard to test, hard to maintain, and hard to update. Rule engines offer an alternative: express your business logic as rules, outside of your Java code, in a format even the business side of the office can understand. Paul Browne uses the open source Drools framework to introduce the idea. Aug. 3, 2005 Upload Files with JSF and MyFaces By Andrei Cioroianu Want to support uploading of files from the user's browser to your web application? You could parse the multipart form data yourself--or you could let Java do it for you. JSF doesn't support this out of the box, but, as Andrei Cioroianu shows, several JSF-based frameworks do. Jul. 13, 2005 An Ant Modular Build Environment for Enterprise Applications By Les A. Hazlewood Most Java developers already use Ant for their builds, but are you getting everything you could out of this tool? With a complex enterprise application, in which classes may be used in several tiers, it's important to control where the code lives and how it gets built, so you can build .jars with just the code needed for each tier. Les Hazlewood shows how this approach leads to faster builds and downloads, and even catches errant dependencies. Jun. 22, 2005 Building Modular Applications with Seppia By Lorenzo Puccetti Isn't object-oriented programming supposed to be about code reuse? The Seppia framework encourages reuse by allowing you to combine functionality collected in multiple .jar files, stitching the behavior together with JavaScript. Lorenzo Puccetti has an introduction to this interesting framework. Mar. 16, 2005 Introducing JBoss Remoting By John Mazzitelli With JBoss World 2005 a week away, JBoss has introduced a new remoting framework. Before you say "another one?" John Mazzitelli hopes you'll take a look at JBoss Remoting, which rids you of RMI-style skeletons and stubs, and offers flexibility and extensibility on both the client and server sides. Feb. 23, 2005 Mock Objects in Unit Tests By Lu Jian Unit testing your code against a service or process that's either too expensive (commercial databases) or just not done yet is something you can deal with by simulating the other piece with a mock object. EasyMock can suffice in some cases, but it can only create mock objects for interfaces. Mocquer, based on the Dunamis project, can create mocks for classes, too. Lu Jian shows how it works. Jan. 12, 2005 XML Messaging Using JBoss By Benoit Aumars Simple communication in an enterprise system is possible through various schemes, but not all of them answer the question of coordination. Benoit Aumars presents a hypothetical case study that shows how generating and sharing information in XML is made easier with Java Messaging Service (JMS) and Java Management Extensions (JMX). Oct. 13, 2004 What's So Java About Sun's Linux Desktop? By Sam Hiser Sun attracted some sharp criticism when it released a tightly integrated Linux desktop distribution under the name Java Desktop System. But as Sam Hiser, coauthor of Exploring the JDS Linux Desktop shows, JDS has much to recommend it. Oct. 6, 2004 Documenting Projects with Apache Forrest By Kyle Downey Apache Forrest helps you develop the documentation to accompany your application, automatically providing a number of neat features such as menus, links, cross-references, and breadcrumb navigation. Kyle Downey provides an introduction. May. 26, 2004 Wiring Your Web Application with Open Source Java By Mark Eagle Building a web application with Java can be a complex process when architecting a combination of UI, business logic, and persistence. This article introduces a way to leverage open source software to lessen the burden. Apr. 7, 2004 Extending Maven Through Plugins By Eric Pugh Maven is the build tool that does everything for you, from compiling code to setting up structures for process and documentation. But what if there's something more that you do and you want to integrate it into Maven? Eric Pugh shows you how to do this with Maven plugins. Mar. 17, 2004 Analyze Your Classes By Vikram Goyal Java reflection allows you to discover your code's abilities, but what about changing the code? Vikram Goyal introduces the Byte Code Engineering Library, which opens up classes for low-level changes from code. Oct. 22, 2003 Java for Bioinformatics By Stephen Montgomery Bioinformaticians and biological scientists have to sift through a lot of data. Visualization helps. While Perl has been a mainstay of bioinformatics, several projects and APIs in the Java world are making Java a viable development language. Stephen Montgomery surveys the scene. Sep. 24, 2003 Using the Jakarta Commons, Part 3 By Vikram Goyal Ever find yourself thinking, "Someone's surely solved this problem before?" The Jakarta Commons is a good place to start looking when that thought tickles your mind. In this third of three articles, Vikram Goyal explores the logging, pooling, and validating packages in the Commons. Jul. 23, 2003 Using the Jakarta Commons, Part 2 By Vikram Goyal Ever find yourself thinking, "Someone's surely solved this problem before?" The Jakarta Commons is a good place to start looking when that thought tickles your mind. In this second of three articles, Vikram Goyal explores the Packages and XML groups of the Commons. Jul. 9, 2003 Using the Jakarta Commons, Part 1 By Vikram Goyal Ever find yourself thinking "Someone's surely solved this problem before?" That's the beauty of open source. In this first of three articles, Vikram Goyal explores the Jakarta Commons, mature and well-defined reusable Java components. Jun. 25, 2003 JBoss Optimizations 101 By Sacha Labourey "First make it work, then make it fast." Your J2EE application works, but it's slower than you'd like under peak load. Before you rush out for new hardware, check out your configuration. Sacha Labourey and Juha Lindfors demonstrate a few simple techniques to improve JBoss performance without spending money. May. 28, 2003 Aspect-Oriented Programming and JBoss By Bill Burke Is aspect-oriented programming (AOP) the OOP of the oughts? It promises to apply common behavior across different object models. Bill Burke and Adrian Brock explore AOP by example in a JBoss application. May. 28, 2003 Enums in Java (One More Time) By John I. Moore, Jr. Depending on who you ask, the lack of built-in enum support in Java is either a travesty or no big deal. They're convenient in some cases, and are often requested for future versions of Java. John I. Moore, Jr. explores the alternatives for emulating enums in core Java and presents the mini-language jEnum as proof-of-concept. Apr. 23, 2003 Reading and Writing Excel Files with POI By Andrew Oliver, Avik Sengupta The Jakarta POI project provides a nice Java API for reading and writing Microsoft file formats. After learning about the project, most people ask, "How can I write a spreadsheet?" Andrew C. Oliver and the POI folks demonstrate how to read and write Excel files using the Horrible SpreadSheet Format class. Apr. 16, 2003 Custom PMD Rules By Tom Copeland The real fun of automated code analysis is writing your own rules. In his third article on the PMD project, Tom Copeland shows two approaches to detecting error patterns: writing custom Java code and simple XPath expressions. Apr. 9, 2003 Detecting Duplicate Code with PMD's CPD By Tom Copeland Code reuse has been a grail for years. Why, then, is there still so much copying and pasting going on? Tom Copeland introduces CPD, the Copy/Paste Detector, which can identify large swaths of duplicate Java code. Now go refactor! Mar. 12, 2003 Using Hierarchical Data Sets with Aspire and Tomcat By Satya Komatineni While much of the database world is relational, a great deal of data is hierarchical--think web pages, XML, and Java classes. Aspire lets you retrieve and manipulate hierarchical data sets. Satya Komatineni explains why you might want to do this. Mar. 5, 2003 Introduction to Text Indexing with Apache Jakarta Lucene By Otis Gospodnetic Lucene is an immensely popular free text indexing and searching API written in Java. In this first of a series of Lucene articles, Otis Gospodnetic explains how to get started with Lucene, introducing the project and its indexing capabilities. Jan. 15, 2003 Using JMeter By Budi Kurniawan Apache's JMeter is a Java-based tool for load testing client-server applications. Budi Kurniawan demonstrates how to use JMeter to test the performance of your Web applications. Jan. 15, 2003 Configuring Tomcat with IIS Web Server By James Goodwill In this installment of Using Tomcat, James Goodwill continues his discussion of the JK1.2 connectors with a turotial on configuring Tomcast with Microsoft's IIS server. Dec. 18, 2002 Dynamic Creation of Reports with Apache Formatting Objects By Kevin Hartig Is your report generation costly, proprietary, or inflexible? Check out this reporting framework based on XML and the Apache Formatting Objects Processor. Dec. 11, 2002 Using the Validator Framework with Struts By Chuck Cavaness Chuck Cavaness, author of O'Reilly's Programming Jakarta Struts, introduces the Validator framework, an open source project that is part of the Jakarta Commons subproject. Learn how to use the Validator with Struts in this article. Dec. 11, 2002 An Introduction to the Eclipse IDE By Scott Storkel Eclipse, an open source Java-based IDE, brings together all of the tools a developer needs to be successful at Web application development: an extensible IDE, a standards-based compiler, remote debugging, Ant-based builds, JUnit-based testing, and plug-ins for communicating with most application servers and EJB containers. Dec. 11, 2002 Improve Your Career with Tomcat and Aspire By Satya Komatineni RDMS staff can be easily trained to develop Web-based Java apps with Tomcat and Aspire. This article tells how. Dec. 4, 2002 Configuring Tomcat and Apache With JK 1.2 By James Goodwill The JK modules are a conduit between Apache and Tomcat. This series of articles covers using mod_jk with Apache and Tomcat. The first article shows you how to configure the servers for use with JK 1.2. Nov. 20, 2002 Programming Jakarta Struts: Using Tiles, Part 2 By Chuck Cavaness In part two in this series of book excerpts on using tiles from Programming Jakarta Struts, learn how to install and configure tiles, as well as get an overview on tiles. Nov. 20, 2002 Programming Jakarta Struts: Using Tiles, Part 1 By Chuck Cavaness In part one in this series of book excerpts on using tiles from Programming Jakarta Struts, learn how to use tiles, and gain an understanding of templates. Nov. 13, 2002 Learning the New Jakarta Struts 1.1, Part 2 By Sue Spielman Part 2 of Sue Spielmann's article on Struts 1.1 covers nested tag libraries, the Validator framework, the PlugIn API, and declarative exception handling. Nov. 13, 2002 Learning the New Jakarta Struts 1.1, Part 1 By Sue Spielman In this first part of a two-part series, you'll learn about the new 1.1 release of Struts, how to work with it, and how to migrate from v.1.0.x. Nov. 6, 2002 NetBeans: Working with XML, Part 3 By Tim Boudreau, Jesse Glick, Simeon Greene, Vaughn Spurlin, Jack J. Woehr In this final installment on working with XML, excerpted from NetBeans: The Definitive Guide, learn how to generate Java classes. Nov. 6, 2002 Jakarta Struts: Seven Lessons from the Trenches By Chuck Cavaness Chuck Cavaness, author of Programming Jakarta Struts, describes for Java programmers some of lessons he learned the hard way when he used the Struts framework to build a company application. Oct. 30, 2002 For Tomcat Developers, Aspire Comes in a JAR By Satya Komatineni Aspire.jar is a free, open source .jar file that can be used for declarative data access, configuration, logging and factory services needs. For Java developers who are continuing to adopt Tomcat as their primary development platform, this .jar file could save lot of time, while providing a highly-flexible data architecture. Oct. 30, 2002 Learning and Using Jakarta Digester By Philipp K. Janert Turning an XML doc into Java bean objects is a common task, but the SAX and DOM APIs are too low-level. Jakarta Digester uses a series of rules to simplify this important task. Oct. 23, 2002 NetBeans: Working with XML, Part 2 By Tim Boudreau, Jesse Glick, Simeon Greene, Vaughn Spurlin, Jack J. Woehr In part two of this three-part series excerpted from NetBeans: The Definitive Guide, go beyond editing XML in your editors, within the open source NetBeans framework. Oct. 23, 2002 |
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