Book Image

Data-Centric Applications with Vaadin 8

By : Alejandro Duarte
Book Image

Data-Centric Applications with Vaadin 8

By: Alejandro Duarte

Overview of this book

Vaadin is an open-source Java framework used to build modern user interfaces. Vaadin 8 simplifies application development and improves user experience. The book begins with an overview of the architecture of Vaadin applications and the way you can organize your code in modules.Then it moves to the more advanced topics about advanced topics such as internationalization, authentication, authorization, and database connectivity. The book also teaches you how to implement CRUD views, how to generate printable reports, and how to manage data with lazy loading. By the end of this book you will be able to architect, implement, and deploy stunning Vaadin applications, and have the knowledge to master web development with Vaadin.

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Table of Contents (11 chapters)
Preface
Preface
Who this book is for
What this book covers
To get the most out of this book
Get in touch
Free Chapter
1
Creating New Vaadin Projects
Creating New Vaadin Projects
Technical requirements
About the demo applications
Understanding the architecture of a Vaadin application
Summary
2
Modularization and Main Screens
Modularization and Main Screens
Technical requirements
Creating a multi-module Maven project
Implementing an application's main screen
Modularizing Vaadin applications
Identifying alternatives for modularization
Summary
3
Implementing Server-Side Components with Internationalization
Implementing Server-Side Components with Internationalization
Technical requirements
Using extensions to develop a UI component
Using composition to develop custom components
Using internationalization for Multiple Language Support
Summary
4
Implementing Authentication and Authorization
Implementing Authentication and Authorization
Technical requirements
Implementing public and private views
Using the HTTP session and cookies to identify users
Enabling features according to a user's roles
Summary
5
Connecting to SQL Databases Using JDBC
Connecting to SQL Databases Using JDBC
Technical requirements
Introduction to JDBC
Implementing data repositories
Summary
6
Connecting to SQL Databases Using ORM Frameworks
Connecting to SQL Databases Using ORM Frameworks
Technical requirements
Using object-relational mapping frameworks
Connecting to SQL databases using JPA
Connecting to SQL databases using MyBatis
Connecting to SQL databases using jOOQ
Summary
7
Implementing CRUD User Interfaces
Implementing CRUD User Interfaces
Technical requirements
CRUD user interface design
The domain model
Implementing a CRUD using an editable Grid component
Implementing a CRUD using Grids and forms
Summary
8
Adding Reporting Capabilities
Adding Reporting Capabilities
Technical requirements
The example application
Integrating JasperReports with Vaadin
Generating a report in a background task
Summary
9
Lazy Loading
Lazy Loading
Technical requirements
The example application
Preparing the backend for lazy loading
Lazy loading with the Grid component
Ordering rows in Grid components
UX and large datasets
Summary
10
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Creating a multi-module Maven project

A multi-module Maven project aggregates several Maven projects into a single one. In this chapter, we will create three modules that form the whole application:

  • webapp: A Vaadin web application packaged as a WAR file that includes everything needed to deploy it to a server such as Tomcat, Wildfly, Jetty, or any other Java server
  • api: A Java API packaged as a JAR used by the webapp and any functional module
  • example-module: An example functional module that uses the api JAR to add functionality to the application

All these modules are aggregated into a single Maven project with the name chapter-02. Let's start by creating this aggregator project by using the pom-root Maven archetype. Run the following in a terminal:

mvn archetype:generate \
-DarchetypeGroupId=org.codehaus.mojo.archetypes \
-DarchetypeArtifactId=pom-root \
-DarchetypeVersion...
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