Southern Ohio Software Symposium

August 17 - 19, 2007



Event Details

Location

Cincinnati Marriott Northeast
9664 Mason Montgomery Road
Mason, OH 45040
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Session Schedule

About the Session Schedule
Download Agenda PDF We are committed to hype-free technical training for software architects, programmers, developers, and technical managers. This year's symposium places increased emphasis on the role of XML, J2EE, Web Services, Agile Methodologies, and Open Source. We offer over 50 sessions in the span of one weekend. Featuring leading industry experts, who share their practical and real-world experiences; we offer intensive speaker interaction time during sessions and breaks.

About Sessions
Our sessions are designed to cover the latest in trends, best practices, and latest developments in Java application development. Each session lasts 90 minutes unless otherwise noted.

Friday - August 17


  1 2 3 4 5
12:00 - 1:00 PM REGISTRATION
1:00 - 1:15 PM WELCOME
1:15 - 2:45 PM
2:45 - 3:15 PM BREAK
3:15 - 4:45 PM
4:45 - 5:00 PM BREAK
5:00 - 6:30 PM
6:30 - 7:15 PM DINNER
7:15 - 8:00 PM Keynote: Software "Engineering" & Polyglot Programming by Neal Ford

Saturday - August 18


  1 2 3 4 5
8:00 - 9:00 AM BREAKFAST
9:00 - 10:30 AM
10:30 - 11:00 AM BREAK
11:00 - 12:30 PM
12:30 - 1:30 PM LUNCH
1:30 - 3:00 PM
3:00 - 3:15 PM BREAK
3:15 - 4:45 PM
4:45 - 5:30 PM BIRDS OF A FEATHER SESSIONS

Beginning Object-Relational Mapping with Hibernate

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Brian Sam-Bodden By Brian Sam-Bodden
Hibernate is an open source Object-Relational Mapping Framework that mostly automates the tedious and time-consuming task of persisting Java objects to a relational database.
Hibernate is quickly becoming the preferred way for enterprise developers to overcome the object-relational impedance mismatch and a good alternative to the coarse-grained Entity EJBs, low-level raw JDBC, and by-committee specifications like JDO. Learn what your choices in the ORM arena, what to look for in an ORM tool, and how to get started with Hibernate for your next J2SE or J2EE project.

Hibernate is an open source Object-Relational Mapping Framework that mostly automates the tedious and time-consuming task of persisting Java objects to a relational database. Hibernate is quickly becoming the preferred way for enterprise developers to overcome the object-relational impedance mismatch and a good alternative to the coarse-grained Entity EJBs, low-level raw JDBC, and by-committee specifications like JDO. Learn what your choices in the ORM arena, what to look for in an ORM tool, and how to get started with Hibernate for your next J2SE or J2EE project.

In this session you will learn:
- Understanding the O/R Impedance Mismatch
- Techniques of O/R Mapping
- Persistence Frameworks in Java
- Architecting Persistence into your application
- Hibernate Architecture and Overview
- Installing and configuring Hibernate in J2SE
- Hibernate in a J2SE application
- Mapping Persistence Classes
- Domain Models
- Object Identity
- Dealing with Inheritance and Schema Associations
- Understanding the lifecycle of persistent objects
- Understanding Hibernate usage in a J2EE application
- Overview of advanced topics

10 ways to use Hibernate effectively

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Brian Sam-Bodden By Brian Sam-Bodden
Learn 10 tried and true ways to improve the way you use Hibernate today. In this session you would learn about a collection of 10 tips, tricks, practices and tools that will make you more effective at designing, implementing, testing and tuning your application's Hibernate-powered object-relational layer.

Learn 10 tried and true ways to improve the way you use Hibernate today. In this session you would learn about a collection of 10 tips, tricks, practices and tools that will make you more effective at designing, implementing, testing and tuning your application's Hibernate-powered object-relational layer.

Some of the topics covered include:
- Handling and implementing inheritance
- Distributed Caching
- Profiling your queries
- Using bags
- Using filters for virtualization
- Custom SQL for performance
- Query caching
- ... and more


Beginning Drools - Rule Engines in Java

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Brian Sam-Bodden By Brian Sam-Bodden
Drools is an open source pure-Java implementation of a forward chaining rules engine. Drools can be used in a J2SE or J2EE application and allows you to express rules programatically or by building domain specific rule languages. Learn how Business Rules with Drools can make your Java applications more flexible and robust.




Software development is expensive, when business rules are hard-coded in your application's source code, changes and additions to those rules translate to wasted time and money. Good object-oriented, component-based approaches can alleviate the burden of keeping up with changes in the business world but they still require that expert knowledge of the changes be passed from the decision makers to the business analysts and finally to programmers that need to implement these changes. Business Rule Engines and Business Rule Languages are based on the basic premise of separation of concerns by empowering business domain experts to express the rules of business in a way that it is directly usable by applications.
Drools is an open source pure-Java implementation of a forward chaining rules engine. Drools can be used in a J2SE or J2EE application and allows you to express rules programatically or by building domain specific rule languages. Learn how Business Rules with Drools can make your Java applications more flexible and robust.


Professional Java UI development with the Eclipse RPC

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Brian Sam-Bodden By Brian Sam-Bodden
Learn how to build featured rich applications using the Eclipse Rich Client Platform. The Eclipse platform is an open tools platform, on top of this platform you can build your own applications (which do not need to be IDE like or IDE related). Yet you can enjoy the benefits of working with a mature and featured rich platform that can greatly reduce the amount of time required to create a professional-looking and robust Java UI application.


Learn how to build featured rich applications using the Eclipse Rich Client Platform. The Eclipse platform is an open tools platform, on top of this platform you can build your own applications (which do not need to be IDE like or IDE related). Yet you can enjoy the benefits of working with a mature and featured rich platform that can greatly reduce the amount of time required to create a professional-looking and robust Java UI application.
In this session learn the foundations of building Eclipse RCP applications, including SWT and JFace and we will use the concepts learned to create a professional looking Java application that can rival any .Net application.

Give it a REST

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Brian Sletten By Brian Sletten
As developers, we sometimes get to make choices about the technologies we use, sometimes not. We base these decisions on personal experiences, recommendations from others and a general sense of where the industry is going.

Web Services have been all the rage for several years now. We have been told time and again that we should be building systems around them; as an industry, we've never been more confused. Perhaps it is time to Give it a REST.

Part of the problem with the conventional Web Services technology stack is that it is more complex than it needs to be for small to medium-sized systems. All of the examples show how simple it all is, but how often do we really need to check the temperature or get a stock quotation? Real systems that are built out of these technologies are rapidly spiraling toward incomprehensibility, unmaintainability and (shocker) insecurity!

SOAP has a place, but so does REST, a simpler architectural style for invoking services in a language- and platform- independent way. This talk will motivate REST, explain how it fits in to other Enterprise and Web technologies and help give you some ammo for suggesting that your organization give it a REST too.

We will look at getting started with the Restlet API, using conventional containers and advanced environments like NetKernel to build scalable REST-oriented systems.

This talk should be accessible to everyone but is probably intermediate level.

Resource-Oriented Computing w/ NetKernel : Software for the 21st Century

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Brian Sletten By Brian Sletten
Imagine the simplicity of REST married to the power of Unix pipes with the benefits of a loosely-coupled, logically-layered architecture. If that is hard to imagine, it may because the architectures available to you today are convoluted accretions of mismatched technologies, languages, abstractions and data models.

NetKernel is a disruptive technology that changes the game. It has been quietly gaining mind share in the past several years; people who are exposed to it don't want to go back to the tired and blue conventions of J2EE and .NET. Not only does it make building the kinds of systems you are building today easier, it does it more efficiently, with less code and a far more scalable runway to allow you to take advantage of the emerging multi-core, multi-CPU hardware that is coming our way.

Come see how this open source / commercial product can change the way you think about building software.

NetKernel makes the things you are doing now easier, but also makes new types of systems possible.

A wise man once said, "XML is like lye. It is very useful, but humans shouldn't touch it." If you've had to incorporate XML into your project by hand, you have probably been burned by getting too close. NetKernel turns this wisdom on its head and encourages you to use XML like the liquid data stream you want it to be.

But, XML is only part of the story. Resource-oriented computing is a generalized and revolutionary approach to modern, flexible systems. There is less code to write, but it is more fun to do. Orchestration of existing services and data sources is faster, easier and more encompassing than with more conventional technologies.

This talk will help explain what NetKernel is (app server? pipeline tool? embedded SOA?) and, through a comprehensive set of examples, give you a glimpse at a deeper software reality than you might have thought possible.

Disclaimer: There will be no blue pills given to you to make you forget what you have seen. Come with an open mind.

Applied AOP

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Brian Sletten By Brian Sletten
Most people new to Aspect-Oriented Programming (AOP) are fed up with separation of concerns zealots explaining how great their techniques are at dealing with... logging. Ok, you get it. Logging is a cross-cutting concern that can be appropriately modularized. What else does AOP have to offer? A lot, it turns out. This talk will give an introduction to the motivations of AOP as well as a series of concrete examples drawn from enterprise and client side Java. Come learn how AspectJ-flavored AOP can begin to benefit you immediately either in development or production environments. Learn how to enforce architectural policies, find Swing threading issues, reduce the invasiveness of the Observer design pattern or even improve the reusability of your domain models. Now that Spring 2.0 provides support for AspectJ, the time has never been better to learn about these new (but backwards compatible) ways of thinking about building software.

Attendees will learn about
The history and reasons behind AOP
Development-oriented aspects that can be useful, but compiled out of
production code
Production-oriented aspects that can simplify development and ease the
burden of future changes
Basic AspectJ usage and jargon
How to use AspectJ with Spring

Rating: Intermediate
Category: Architecture/Languages, Client Side Java, Server Side Java
Prerequisites: Basic Java. Some level of AOP understanding is helpful, but not required. The pace of the introduction will depend on the average level of exposure the audience has previously had to AOP.

Introducing the Semantic Web

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Brian Sletten By Brian Sletten
Just as the world is feeling comfortable with the Web, Tim Berners-Lee et al inform us that what we have seen so far is just the beginning. His original plans at CERN were larger and grander. The Semantic Web is the new vision of machine-processable documents and metadata to improve search, knowledge discovery and data integration and management. While there are many naysayers chiding such grand visions, there are also pragmatic and useful technologies emerging that can be applied today.

Attendees will learn:

The history and motivations behind the Semantic Web
The technology stack that will make it happen (including RDF and OWL)
An overview of tools and technologies that are beginning to satisfy the vision

This talk stands on its own, but feeds into the "Experiencing the Semantic Web" talk which is more hands on.

Rating: Intermediate
Prerequisites: This is all so new, most engineers will find something to excite them.

JavaServer Faces: A Whirlwind Tour

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David Geary By David Geary
In April 2005, annual growth rates for jobs in JavaServer Faces, Struts, and Ruby on Rails were all at about 0%. Today, Struts' growth rate still hovers around 0%, but JSF and Rails have taken off. At the end of 2007, both JSF and Rails were growing at a rate of between 400-500% annually (according to indeed.com).

JSF has passed the adoption tipping point, and is now the Java-based framework of choice, as is evidenced by its ecosystem. From vendors such as MyEclipse and RedHat to open source projects such as Seam, Facelets, and Ajax4JSF, JSF is where the action is.

Come see why JSF is so popular. In this code- and demo-intensive session, I'll show you the fundamentals of JSF.

This session is taught by a member of the JSF Expert Group for JSF 1.0 and 2.0., and co-author of the best-selling book on JSF: Core JavaServer Faces. David will take you through a whirlwind introduction to JSF including what JSF is, how it was developed, and how you can best take advantage of the technology. Here is a list of topics:

Components, managed beans, value expressions, and static navigation
i18n, CSS, and actions
The Faces Context and Faces messages
The JSF Event Model
Using JavaScript with JSF

This introduction to JSF also contains 5 live-code demos, where David will develop a simple, but robust application during the course of the session.

Prerequisite: Some knowledge of Java-based web applications, such as Struts, is a plus, but is not required. If you have a significant experience with JSF, you probably already know most of what's covered in this session.


Killer JavaScript Frameworks: Prototype, Scriptaculous, and Rico

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David Geary By David Geary
An introduction to the popular Prototype JavaScript framework, and two frameworks built on top of Prototype: Scriptaculous and Rico.

Web2.0 is all about rich, interactive user interfaces (UIs), and these three frameworks provide the capabilities that you need to develop those UIs.

Prototype (prototype.conio.net) is a low-level JavaScript framework that adds significant features to JavaScript that make it easier for you to use the language and to incorporate Ajax calls in your applications.

Scriptaculous is a framework (script.aculo.us) built on top of Prototype that adds some pizazz to Prototype with features such as a wide array of special effects, animation, and drag and drop.

Rico is another framework (openrico.org) built on top of Prototype that, among other things, provides something known as behaviours, where you adorn plain-vanilla HTML with seemingly magical behaviours.

Come to this session and learn how to harness the power of these three frameworks.

Ajaxian Faces

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David Geary By David Geary
JavaServer Faces is a perfect platform for implementing Web 2.0 interfaces with Ajax. This session explores how you can use these two potent technologies--JSF and Ajax--together to create applications that look and behave like desktop applications but run in the browser.

JavaServer Faces, with a mature component model and flexible lifecyle, is a perfect platform for implementing Web 2.0 user interfaces with Ajax. This session explores using JSF and Ajax to create applications that act like desktop applications but run in a browser.

We'll start with a quick look at implementing basic Ajax in a JSF application. Then, once your bloodthirst has been slaked, we'll dive deeper into Ajaxian Faces dynamics with a form completion demo that requires its implementor to understand two simple, but vital facts about JSF.

If you're savvy, you probably use client-side validation to augment your server side validation logic, which parenthetically, is no no-brainer in either of the leading web application frameworks, JSF or Rails. But anyway, client-side validation is old school. All the cool developers nowadays use Ajax to implement realtime validation, where you sneak a trip to the server as an unwary user types into your input fields. But to accomplish that, we'll have to dive even deeper into JSF, with concerns such as accessing view state and accounting for client-side state saving.

All of this Ajax development is great fun, but most of it is best relegated to components and frameworks, which are the topics that will wrap up our session. We'll see how to keep your JavaScript separate from your JSF components and how to pass JSP tag attributes all the way through to JavaScript. Finally, we'll take a look at Ajax4jsf, a JSF component library with a tag library that blends Ajax into JSF in a natural, intuitive way without having to write JavaScript.

As web developers, we've been handcuffed long enough by the shackles of Web 1.0 development. Come to this session and see the brave new world of Web 2.0 development with one of the hottest web application frameworks.

RAD JSF with Seam, Facelets, and Ajax4jsf, Part One

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David Geary By David Geary
In this session, see how you can get Ruby On Rails-like productivity on the Java side of the house with this compelling combination of technologies.

JSF has been out for nearly three years now, and in many respects, the JSF specification has become a bit long in the tooth. Fortunately, the open source community has picked up the ball in a big way. In this 2-session presentation, we will explore three open source projects based on JSF--Seam, Facelets, and Ajax4jsf-- that will propel you into the stratosphere of productivity.

Seam is a framework from JBoss that combines the JSF and EJB3.0/Hibernate 3.0 frameworks into one component model. That means you only have to learn one framework to build compelling web applications.

This is the first of a two-part session, where we'll focus mostly on the Seam framework.

RAD JSF with Seam, Facelets, and Ajax4jsf, Part Two

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David Geary By David Geary
A continuation of a 2-session presentation on Seam, Facelets, and Ajax4jsf.

In the second part of this 2-session presentation, we'll turn our attention to Facelets and how you can use this compelling display technology with Seam.

We will also discuss Ajax4jsf and demonstrate how you can use that framework to create rich, interactive user interfaces for your JSF-based web applications.

The Google Web Toolkit, Part One

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David Geary By David Geary
Developing highly interactive web applications, for the most part requires knowledge of a wide array of technologies: HTML, CSS, JavaScript, XMLHttpRequest, JSP, JSF, etc.

With the Google Web Toolkit (GWT), Google turns that notion of development on its head. Instead, you implement Ajax applications by writing almost entirely in Java. You use an AWT-like API, which the Google compiler compiles to JavaScript that runs on the client.

In the early days of Java, application development with the AWT was relatively simple. You had to have a decent understanding of Java and AWT fundamentals, but once equipped with such knowledge, you could dive in and develop some impressive applications.

Ten years later, we have, in so many respects, gone significantly backwards. We've shoehorned technologies such as HTML into shoes for which they were never intended, and for our efforts, we have a mismatch of disparate technologies that one needs to knit together for a truly interactive web application.

This is the first session of a two-part presentation on the GWT, where I'll concentrate on GWT basics: implementing Ajax-enabled applications in Java, internationalization, testing, and remote procedure calls.

The Google Web Toolkit, Part Two

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David Geary By David Geary
The second part of a 2-session presentation on the Google Web Toolkit.

In this session, we'll dive deeper into the GWT and explore some of it's more advanced aspects, such as implementing custom widgets, deploying your application in a servlet container, and implementing drag and drop.

Gradual Agile: The Secret to Introducing Agile Practices

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Jared Richardson By Jared Richardson
Agile practices are popular because they work, but getting people to take that first step can be tricky.

We'll look at how continuous integration was successfully introduced to a very large, established software shop and used to introduce other Agile practices. Let's see what lessons we can draw from this example that you can take back to your shop.

Distributed Teams: Remote Agility

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Jared Richardson By Jared Richardson
How do you keep a team scattered across time zones in sync?

It's difficult to keep a local team coordinated. When we add geographical distance to the equation, problems are immediately magnified. We'll talk about techniques that you can use to be sure everyone is sharing information and on the same page whether they're in the same office or in different time zones.

Shippers Unite!

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Jared Richardson By Jared Richardson
An overview of the Agile software approach from the book Ship It! A Practical Guide to Successful Software Projects.

This book provides a comprehensive look at the software life cycle and can be used to retool the way you, and your team, builds software. While we can't cover the entire book in nintey minutes, we can look how a holistic view of the software life cycle helps you improve your projects and makes your life easier.

Continuous Integration with Cruise Control

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Jared Richardson By Jared Richardson
Continuous Integration is increasingly recognized as a vital practice in an Agile software shop. Traditionally it's been difficult to set up and administer. Today, that's no longer the case.

We'll look at Cruise Control, a popular CI package. We'll start with the "quick-start" binary release, then change the set up to point to our own project. When we're done, you'll be able to set up your own Cruise Control install on Monday morning.

Software Development Techniques

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Jared Richardson By Jared Richardson
Throughout our software careers we learn habits from our coworkers, from books we've read, and occasionally, from conferences we attend. Much of our competence comes from the tips and tricks we pick up as we go.


In this session, learn five of the techniques I've borrowed along the way. We'll discuss The List, code reviews, code change notifications, daily meetings, and tech leads. These techniques are often abused, but when used properly they can make a huge difference in how you develop software. Take this opportunity to add these practices to your toolkit.

Agile Software Testing Strategies

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Jared Richardson By Jared Richardson
Creating and maintaining a solid automated test suite is critical to an Agile strategy, but often we're just told to "Do it." In this talk we'll look at several pragmatic strategies for creating and building your suite.

We'll examine these strategies and then look at scenarios for using them next week. This presentation will get you started whether you're starting a new project or trying to clean up an existing one.

Build Teams, Not Products

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Jared Richardson By Jared Richardson
A great team builds great software, but how do you build a great team?

Let's move beyond getting lucky and look at some key practices that will help you build your scattered cats into a well-oiled machine.

Groovy For Java Programmers

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Jeff Brown By Jeff Brown
Groovy is an agile dynamic language for the Java platform. Groovy has a Java like syntax along with many features inspired by languages like Python, Ruby and Smalltalk. This session covers a lot of ground including many interactive examples to hilite the powerful language features that make Groovy compelling. A lot of momentum is building in the Groovy and Grails communities right now and this session is aimed at Java developers who want to leverage the power of Groovy.

This session is targeted to demonstrate the power of Groovy and help Java developers understand how to leverage that power in their enterprise applications. Topics
include:

- Everything Is An Object
- GStrings
- Closures
- Collections
- Groovy Builders
- Groovy Beans
- Categories
- Ranges
- Java Integration

Test Driven Development With Groovy And Grails

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Jeff Brown By Jeff Brown
The value of Test Driven Development (TDD) has become widely accepted. The practice has extended beyond just XP teams. Good TDD practices yield high quality software and help teams maintain confidence in their software as complexity grows. The dynamic nature of Groovy makes TDD easy and fun. Groovy may be used to unit test not only Groovy code but other code as well. Testing Java code with Groovy is a snap. Learn to use the power of Groovy to test your systems.

This session will cover using Groovy to test Groovy and Java code, web applications and desktop applications. The session will include a lot of live code examples demonstrating the power of Groovy in testing.

Introduction To Agile Web Development With Grails

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Jeff Brown By Jeff Brown
Grails brings the powerful "coding by convention" paradigm to Groovy and Java. Grails is not just another flavor in the pool of web development frameworks for Java. Grails leverages the powerful dynamic features of Groovy while taking advantage of best of breed technologies like Hibernate, Spring, Sitemesh and Quartz to make web application development both fun and easy.

This session will demonstrate how easy it is to get a simple application up and running with almost no effort and then evolve that application by adding features to really show off the power of the Grails
framework. Topics include:

- Grails Quick Start
- The Grails Command Line Tools
- GORM and Hibernate
- Groovy Server Pages (GSP)
- Spring Integration
- Unit Testing
- Functional Testing

Advanced Techniques With Grails

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Jeff Brown By Jeff Brown
Grails represents technology that offers great flexibility and power without the complexity introduced by other Java web application frameworks. Custom tag libraries are a snap. GSP Templates provide a simple mechanism for reusing UI elements. Sitemesh is integrated to help provide a consistent presentation across the entire application. Grails provides simple mechanisms for leveraging the power of Ajax.

This session will cover all of these topics to demonstrate how powerful the Grails framework is and show how little effort it takes to build not just a simple toy application but also to build real enterprise web apps.

The Productive Programmer: Practice (10 Ways to Improve Your Code)

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Neal Ford By Neal Ford
No one writes perfect code: even the best developers fall into bad habits and traps. These topics from The Productive Programmer illustrate blind spots and helps you write better code.

It is too easy to get into a coding slump and not realize it. This talk revitalizes your relationship to code, forcing you to rethink some of the thing that you take for granted and showing new approaches to solving hard problems. It covers topics that range from improve the overall structure of your code to the way you write JavaBeans, with lots of examples. Everything in this talk may not be new to you, but I guarantee that you'll see some things that will make you reevaluate the way you think about your code.

Session Outline:

  1. TDD
  2. Static Analysis
  3. Good Citizenship
    • getters and setters
    • Constructors
    • Static State
  4. YAGNI
  5. Occam and His Razor
  6. Question Authority
    • DSLs
    • JavaBean Specification
  7. SLAP
  8. New Languages
  9. Every Nuance
  10. Anti-objects

Implementing SOA

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Neal Ford By Neal Ford
This talk avoids SOA hype and gets to the meat of the matter: how do you implement a Service-Oriented Architecture, what are the technological pitfalls, how do you test it, and what traps should you avoid. No marketecture: just implementation details.


No subject has been subject to more recent hype than Service-Oriented Architecture (I think it was because of a really good article in an in-flight magazine). For whatever the reason, the CxO has decided that we need one. It's up to you to implement it. This session is all about the technical considerations required to implement a service oriented architecture. It discusses technology choices, what is in (and out) of SOA's scope, how to implement transformations, routing, and other key services, how to version endpoints, and finally testing and debugging SOA. This session is marketecture free: it covers the details you need to implement this style of architecture.

Session Topics:

  • What SOA means to those who must implement it
  • Technology choices
  • Routing
  • The WS deathstar
  • MOM
  • Implementing transformations
  • Versioning services
  • Testing SOA
  • Debugging SOA implementations

Regular Expressions in Java

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Neal Ford By Neal Ford
Regular expressions should be an integral part of every developer?s toolbox, but most don?t realize what an important topic it is. Regular expressions have existed for decades, but many developers don't understand how to take full advantage of this powerful mechanism, either through command line tools and editors or in their development.

This session shows how to fully exploit regular expressions. It begins with the basic premise of how regular expressions work, then shows how to take advantage of the RegEx library built into the Java platform. This session shows how to use wildcards, escape characters, meta-tags, character class operators, look-aheads/look-behinds, and how to use the greedy operators effectively. It covers regular expressions from the beginning through to advanced usage, both in Java and in tools that support regular expressions. This session is packed with real examples of regular expressions (including a game show with no fabulous prizes).

Key Session Points:

  • Regular expressions defined
  • Examples
  • Using the regex classes in Java
  • Regular expression techniques
  • Patterns
  • Groups and subgroups
  • RegEx Game Show!
  • Back references
  • Greedy, reluctant, and possessive qualifiers
  • Lookaheads and lookbehinds
  • Practical regular expressions
  • Best practices
  • Common Regex mistakes

  • Keynote: Software "Engineering" & Polyglot Programming

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    Neal Ford By Neal Ford
    About bridges, languages, engineering, polyglot programming, and the near future.

    Other engineers sneer at us when we call ourselves "Software Engineers", and they have a point. This keynote discusses real comparisons between traditional engineering and the software kind. It also delves into what it will take to make our profession a real engineering discipline and the near future of languages and environments. Come see your future.

    Code Metrics & Analysis for Agile Projects

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    Neal Ford By Neal Ford
    What does code + methodology have to do with one another? Everything! Agile projects focus on delivering working code, and tools exist to allow you to verify some quality metrics for your code. This session is a survey of tools and metrics that allow you to determine the quality of your code and strategies to "wire it" into your agile project.


    Agile projects focus on delivering code. The responsibility for the quality of that code lies with developers. Yet most developers have a poor sense of how to gauge the quality of code, both during development and forensically. This talk lives on the boundary between what is important in agile projects and ways to verify code quality. It is both a survey of tools and metrics and strategies for proactively applying these techniques to ongoing projects. I talk about the Hawthorne effect, analysis tools (both byte and source code), useful metrics, tools for generating metrics, and how to analyze raw data into actionable tasks.

    Session Topics:

    • The Hawthorne Effect
    • How Agility and Metrics Feed Each Other
    • Analysis Tools
      • FindBugs
      • PMD/CPD
    • Testing Metrics
    • Cyclomatic Complexity
    • Chidamber and Kemerer Object-oriented Metrics
    • JDepend
    • Code Change Risk Analyzer and Predictor for Java
    • Panopticode
    • Tools

    Building DSLs in Static and Dynamic Languages

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    Neal Ford By Neal Ford
    This session discusses building Domain Specific Languages and DSL-style code in Java, Groovy, and Ruby. It discusses the different types of DSLs, details on how to implement them in Java, Groovy, and Ruby, and example problem domains where DSLs make sense.


    You've heard all the hype for the past couple of years: Domain Specific Languages (DSLs) are going to take over the world. This session demystifies this topic in 2 ways: by providing concrete definitions for styles and applicability of DSLs and showing how to implement these different styles. I build up definitions for the different types of DSLs in static (Java) and dynamic (Groovy and Ruby) languages. Then, I discuss building DSLs as internal (i.e., built on top of an underlying language) and external (built using a preprocessor or grammar), with examples of each. Throughout this session, I discuss the applicability of this style of development and show targeted examples. I discuss fluent interfaces and techniques for building them, including problems. Incidentally, I show some cool language features of both Groovy and Ruby that make building DSLs easier in those languages.

    Session Topics:

    • Why DSLs
    • Abstraction
    • Internal vs. External DSLs
    • Fluent Interfaces
    • Building Blocks
    • Internal DSLs
      • In Java
      • In Groovy
      • In Ruby
    • The Stopping Problem
    • Best Practices and Applications

    Introduction to JRuby

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    Neal Ford By Neal Ford
    This session describes JRuby, the 100% pure-Java implementation of the Ruby programming language. It covers the basics of programming with JRuby and examples of how to integrate it into existing Java projects.


    Like hamburger & fries and turkey & dressing, JRuby allows you to harness the awesome power of Ruby in your Java projects. This session describes the origins, capabilities, and limitations of JRuby, the 100% pure-Java implementation of the Ruby programming language. This session also demonstrates some areas where it makes sense to mixin Ruby and Java code: Rails on Java, testing, and dynamic programming. JRuby is a powerful implementation of Polyglot Programming, and this session shows you how to leverage this cutting-edge concept.

    Session Topics:

    • JRuby's origins
    • Calling Java from Ruby
    • Calling Ruby from Java
    • Limitations and pitfalls
    • Example usage
      • Rails on Java
      • Testing
      • Dynamic programming
    • The future

    Rails for JRuby

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    Neal Ford By Neal Ford
    This session explains all the hype surrounding Ruby on Rails, in a context familiar to Java developers. It covers convention over configuration, ActiveRecord, controllers, views, Ajax, scaffolding, testing, and deployment...on the JVM, using JRuby.

    Find out why everyone won't shut up already about Ruby on Rails! This web framework for Ruby has appeared from nowhere to become the critics darling: there must be good reasons why. This session shows those reasons, in a context familiar to Java developers. It discusses how configuration works in Rails, persistence through ActiveRecord, scaffolding, controllers, views, and Ajax. It also covers the important topic of testing, and how Rails makes it easy and automatic. Finally, this session discusses deployment on the JVM, using JRuby, and reflects back on the important lessons that Rails teaches Java developers. This session also presents information about the boundary between Rails, Ruby, and JRuby.

    Session Topics:

    • Why Ruby? Why Rails?
    • Getting started
    • JRuby and Rails
    • Convention over configuration
    • Scaffolding
    • ActiveRecord: Persistence done right
    • ActionPack
      • Controllers
      • Views
      • Ajax for free
    • Testing
    • Deployment
    • Reflection

    Debugging and Testing the Web Tier

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    Neal Ford By Neal Ford
    As out applications have spilled from the server across the wire to the web tier, we increasingly must debug and test in the browser. This session covers debugging and testing tools for clients, JavaScript, and Ajax.


    As the browser has become important again, our applications have spilled out of the server side to the web tier, and now we have to debug and test there. This session is all about debugging and testing the web tier. I discuss the tools Firebug, Venkman, the Developer's toolbar, and bookmarklets for debugging JavaScript, Ajax, and general browser behavior. Then, I discuss testing the web tier, first with unit testing via JsUnit, the user acceptance testing with Selenium and Sahi. This session is packed with examples and demonstrations, including real-world scenarios and pitfalls.

    Session Topics:

    • Debugging
      • Firebug
      • Venkman
      • Developer's Toolbar
      • Bookmarklets
    • Testing
      • JsUnit
      • Selenium
      • Sahi

    Advanced Selenium

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    Neal Ford By Neal Ford
    This session discusses advanced Selenium techniques for testing web applications. It discusses techniques for both TestRunner and Remote Control Selenium, including data driven tests, creating branch points, testing Ajax applications, creating flexible tests, integration with continuous integration, and tons more.


    By now, just about everyone has heard of Selenium, the revolutionary open source testing tool for web applications. This session takes Selenium to the next level, showing how to handle complex, real world scenarios in Selenium. It discusses Selenium setup for both TestRunner and Remote Control. Mostly, though, this session delves into specific techniques for testing real world kinds of behaviors in web applications. I discuss data driven tests, generated tests, decision points in tests, interactive Remote Control, integration with continuous integration, testing Ajax applications (including applications that only Selenium can test), and future directions. This session will turn up the volume on your testing to "11".

    Session Topics:

    • Generating random values
    • Data-driven tests
    • Remote control Selenium
      • Setup
      • Interactive mode
      • Writing and running tests
      • Decisions, decisions
      • Test Reusability
    • Integration with continuous integration
    • Documenting tests
    • Choosing the right mode for the job
    • Extending Selenium
    • Testing Ajax applications
      • Testing data
      • Testing dynamic user interface
    • Specialized Selenium
    • Future directions


    Productive Programmer: Acceleration, Focus, and Indirection

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    Neal Ford By Neal Ford
    This session discusses how to use the Productive Programmer principles of acceleration, focus, and indirection to become a more productive programmer. This session describes these principles, but the primary focus of this session is demonstration of these principles with real-world examples.


    In The Productive Programmer, David Bock and I identify 5 principles of productivity: this talk goes into great detail on 3 of those principles. The session defines the principles and describes their use, but the primary focus of this talk is on real-world examples of how you can use these principles to make yourself a more productive programmer. Acceleration covers keyboard shortcuts (including ways to make better use of them) in both IntelliJ and Eclipse. Focus describes how you can modify both the operating system and your code base to eliminate noise. Indirection shows how a simple concept can have profound effects, including how to share a common set of plugins across an entire Eclipse project. This talk includes tons of examples, all culled from real-world projects.

    Session Topics:

    • The Productive Programmer
    • Acceleration defined
      • Applying Acceleration
      • Keyboard shortcuts
      • Plug-ins
      • Getting around in a hurry
      • Launching stuff
    • Focus defined
      • Applying Focus
      • Get out of the trees
      • Searching several ways
      • Code focus
      • Avoiding the trash pile
    • Indirection
      • Applying Indirection
      • links vs. shortcuts
      • Sharing stuff
      • Canonical plug-ins
      • Environment isolation


    Note: This is a companion talk to my other talk, Productive Programmer: Automation and Canonicality, but each talk is completely independent of the other -- they are not "Part 1" and "Part 2".

    Productive Programmer: Automation and Canonicality

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    Neal Ford By Neal Ford
    This session discusses how to use the Productive Programmer principles of automation and canonicality to become a more productive programmer. This session describes these principles, but the primary focus of this session is demonstration of these principles with real-world examples.


    In The Productive Programmer, David Bock and I identify 5 principles of productivity: this talk goes into great detail on 2 of those principles. The session defines the principles and describes their use, but the primary focus of this talk is on real-world examples of how you can use these principles to make yourself a more productive programmer. Canonicality (the DRY principle from The Pragmatic Programmer) discourages repeating artifacts in projects. This talk shows effective ways to avoid this repetition. For example, I show how to reuse documentation via a Subversion hook that posts comments to a Wiki with an RSS feed. Automation refers to making the computer do more work for you. This talk includes tons of examples, all culled from real-world projects.

    Session Topics:

    • The Productive Programmer
    • Automation defined
    • Applying automation
      • Scripting with...
        • Win XP
        • Bash
        • Unix shell/cygwin
        • Ruby
        • Groovy
      • Case Studies
    • Canonicality defined
    • Applying canonicality
      • Hibernate and code generation
      • Documentation Part 1
      • Documentation Part 2


    Note: This is a companion talk to my other talk, Productive Programmer: Acceleration, Focus, and Indirection, but each talk is completely independent of the other -- they are not "Part 1" and "Part 2".

    Developing Applications Using in Spring 2.0

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    Ryan Breidenbach By Ryan Breidenbach
    In 2006, Spring 2.0 was released and Spring became ubiquitous in the enterprise Java space. So if you haven't taken a peek at Spring yet, what are you waiting for?!? If the answer is "This session," you have come to the right place. This session will familiarize you with the benefits Spring provides and why they have made the framework so successful. In addition, we will focus on the efforts that went into Spring 2.0 to make these benefits much more developer friendly. By the end of this session, you should have a grasp of how Spring 2.0 simplifies the utilization of Spring's core features such as bean wiring, AOP, and the simplification of using enterprise Java. If your head is not spinning too much.

    In this session we will cover:
    - Brief history of Spring
    - Overview of Spring's core values and features
    - New Spring 2.0 features
    - Glimpse of upcoming Spring 2.1 features

    Developing Web Applications with Spring MVC

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    Ryan Breidenbach By Ryan Breidenbach
    Although Spring's rise to ubiquity was driven by its IoC and AOP services, it offers so much more. One of the most powerful of these services is Spring's MVC framework.

    If you are familiar with other Java web frameworks such as Struts or WebWork, you will recognize that Spring MVC is a similar request-response web framework driven by a Front Controller, in this case the DispatcherServlet. But Spring also provides considerable functionality out of the box. One of the beauties of the Spring MVC is that, like the rest of Spring, all of its components are quite modular. This allows you to mix and match different implementations of the various MVC components as you see fit for you application.

    In addition, Spring MVC provides rich capabilities for data binding. This allows you to transparently bind form parameters to your application objects without having to create any intermediate objects. Spring's validation features allow you to capture both binding and application errors. And with Spring 2.0's much improved JSP tag library, both creating forms and displaying validation errors is quite simple.

    In this session we will cover:
    - A quick overview of Spring for first time Spring users
    - Configuring Spring's DispatcherServlet
    - Wiring other application beans to web application beans
    - Mapping requests to Spring Controllers
    - Spring's different Controller implementations, and when they should be used
    - Validation form parameters and binding them to application objects
    - Creating forms using Spring's custom JSP tags library

    Harnessing the Power of Maven

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    Ryan Breidenbach By Ryan Breidenbach
    2006 appeared to be the year that Maven achieved the momentum it needed to overtake Ant as the build tool of choice for Java developers. A lot of that has to do with the vastly improved Maven 2. But it lot of it has to do with the simplicity, organization and power that Maven brings to projects. The session will bring developers new to Maven with everything it has to offer. This includes creating your very first Maven project, learning the significance of the POM file, how to let Maven and its repositories manage your dependencies, and how to let Maven report of the health of your own projects. And for the Ant users in the audience, you will get to see a side-by-side comparison of the two build tools' build philosophies.