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Enterprise Application Development with Ext JS and Spring

Enterprise Application Development with Ext JS and Spring

By : Gierer
4.1 (10)
Buy this Book
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Enterprise Application Development with Ext JS and Spring

Enterprise Application Development with Ext JS and Spring

4.1 (10)
By: Gierer
Buy this Book

Overview of this book

Spring and Ext JS are cutting edge frameworks that allow us to build high performance web applications for modern devices, that are now consuming data at a faster rate than ever before. It is the appropriate time for you to understand how to best leverage these technologies when architecting, designing, and developing large scale web development projects. This practical guide condenses an approach to web development that was gained from real world projects, and outlines a simple, practical approach to developing high performance, and enterprise grade web applications. Starting with configuring Java, NetBeans, and MySQL to prepare your development environment, you will then learn how to connect your NetBeans IDE to the MySQL database server. We will then explore the Task Time Tracker (3T) project database structure and populate these tables with test data. Following on from this, we will examine core JPA concepts after reverse engineering the domain layer with NetBeans. Leveraging the Data Access Object design pattern, you will learn how to build the Java DAO implementation layer assisted by generics in base classes, followed by a Data Transfer Object enabled service layer to encapsulate the business logic of your 3T application. The final chapters that focus on Java explore how to implement the request handling layer using Spring annotated controllers, and deploy the 3T application to the GlassFish server. We will then configure the Ext JS 4 development environment and introduce key Ext JS 4 concepts, including MVC and practical design conventions. Covering a variety of important Ext JS 4 strategies and concepts, you will be fully-equipped to implement a variety of different user interfaces using the Ext JS MVC design pattern. Your journey ends by exploring the production build and deployment process using Maven, Sencha Cmd and GlassFish.
Table of Contents (16 chapters)
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Preface
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Preface
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What the book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
Lock Free Chapter
1
1. Preparing Your Development Environment
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1. Preparing Your Development Environment
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Installing MySQL
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Installing the Java SE Development Kit (JDK)
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Installing the NetBeans IDE
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Introducing Maven
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Creating the Maven Web Application project
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Starting the GlassFish 4 server
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Running the Task Time Tracker project
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Summary
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2. The Task Time Tracker Database
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2. The Task Time Tracker Database
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Connecting NetBeans with MySQL
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The 3T database
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Enterprise options for the 3T database
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Summary
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3. Reverse Engineering the Domain Layer with JPA
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3. Reverse Engineering the Domain Layer with JPA
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Understanding the reasons for using JPA
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Understanding JPA implementations
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Reverse engineering with NetBeans
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Introducing the persistence.xml file
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Refactoring the Java classes
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Introducing the Java Persistence Query Language
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Refactoring Java equals() and hashCode()
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Summary
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4. Data Access Made Easy
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4. Data Access Made Easy
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Defining the DAO interfaces
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Defining the generic DAO implementation
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Defining the DAO implementations
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A better domain layer
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Exercise – a simple change request
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Summary
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5. Testing the DAO Layer with Spring and JUnit
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5. Testing the DAO Layer with Spring and JUnit
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Unit testing overview
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Configuring the test environment
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Introducing the Spring IoC container
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Defining a test case superclass
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Defining the CompanyDao test case
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Running the JUnit test cases with Maven
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JPA traps for the unwary
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Exercises
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Summary
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6. Back to Business – The Service Layer
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6. Back to Business – The Service Layer
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Service layer considerations
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Building the service layer
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The service layer interfaces
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Implementing the service layer
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Testing the service layer
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Automating the service layer tests
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Exercises
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Summary
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7. The Web Request Handling Layer
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7. The Web Request Handling Layer
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A brief history of Web MVC
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Request handling for enterprise web applications
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Building the request handling layer
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Creating the request handlers
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The Spring HandlerInterceptor interface
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The Spring MVC configuration
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Defining the TaskLogHandler class
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More on Spring MVC
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Exercises
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Summary
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8. Running 3T on GlassFish
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8. Running 3T on GlassFish
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Configuring the 3T web application
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Configuring the Maven pom.xml file
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Adding eclipselink.target-server to the persistence.xml file
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Adding the logback.xml file to your resources directory
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Configuring the GlassFish server
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Running 3T
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Managing GlassFish without NetBeans
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Summary
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9. Getting Started with Ext JS 4
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9. Getting Started with Ext JS 4
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The importance of application design
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Ext JS 4 MVC concepts
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Ext JS 4 design conventions and concepts
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Practical conventions
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The Ext JS 4 development environment
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Generating the 3T Ext JS 4 application skeleton
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Creating components using Sencha Cmd
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Summary
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10. Logging On and Maintaining Users
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10. Logging On and Maintaining Users
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Layouts, screens, and workflows
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Building our views
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Models and persistence
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Controlling the Logon and Viewport actions
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Controlling our user views
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Let's log on!
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Let's maintain users
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Summary
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11. Building the Task Log User Interface
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11. Building the Task Log User Interface
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Task log workflows and layouts
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Building our task log views
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Defining our models
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Defining our stores
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Controlling the TaskLog actions
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Testing the task log interface
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Summary
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12. 3T Administration Made Easy
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12. 3T Administration Made Easy
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Administration workflows and layouts
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Building the 3T administration interface
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Generating a JSON tree in the CompanyHandler class
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Controlling the 3T administration
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Testing the 3T administration interface
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Dynamically loading tree nodes
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Displaying multiple tree columns
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Drag-and-drop made easy
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Summary
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13. Moving Your Application to Production
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13. Moving Your Application to Production
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Compiling with Sencha Cmd
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Ext JS 4 theming
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Compiling for production use
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Integrating Sencha Cmd compiling with Maven
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Adding the build version and timestamp
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Building a slimmer WAR file
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Deploying the WAR file to GlassFish
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GlassFish performance tuning and optimization
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Summary
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A. Introducing Spring Data JPA
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A. Introducing Spring Data JPA
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Index
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Index

Chapter 1. Preparing Your Development Environment

This chapter will install and configure your development environment. The Rapid Application Development (RAD) tool is NetBeans, an open source, cross-platform Integrated Development Environment (IDE) that can be used for creating visual desktop, mobile, web, and Service-Oriented Architecture (SOA) applications. NetBeans officially supports Java, PHP, JavaScript, and C/C++ programming languages, but it is best known for providing a complete toolset for all the latest Java Enterprise Edition (Java EE) standards (currently Java EE 7).

The database of choice for this book is MySQL, the world's most widely used open source Relational Database Management System (RDBMS). MySQL is the most popular choice of database for web applications hosted on Linux platforms and continues to deliver outstanding performance in a multitude of applications. Its small footprint and ease of use makes it perfect for development use on a single computer.

The application server used in this book is GlassFish 4, which comes bundled with the NetBeans download. GlassFish is installed as part of the NetBeans installation, and the tight integration between the two makes configuring GlassFish a simple process. GlassFish is an open source, production-quality application server that implements all the Java EE 7 features. It has enterprise-grade reliability and is considered by many to be the best open source application server available. GlassFish 4 is the Reference Implementation (RI) for the Java EE 7 specification, a full description of which can be found at https://glassfish.java.net/downloads/ri/.

All of these development tools are freely available for PC, Mac, and Linux. Each tool has extensive examples, comprehensive tutorials, and online support forums available.

It should be noted that although this chapter focuses on NetBeans, MySQL, and GlassFish, it is possible for you to configure any appropriate combination of tools that they are familiar with. The development tasks outlined in this book can just as easily be followed using Eclipse, Oracle, and JBoss—although some described configuration details may require minor modifications.

In this chapter, we will perform the following tasks:

  • Install the MySQL Database server
  • Install the Java SDK
  • Install and configure the NetBeans IDE
  • Create the application project and explore Maven
  • Run the project in GlassFish
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Enterprise Application Development with Ext JS and Spring
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