Book Image

Play Framework essentials

By : Julien Richard-Foy
Book Image

Play Framework essentials

By: Julien Richard-Foy

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Play Framework essentials
Julien Richard-Foy
Sep, 2014 | 200 pages
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Table of Contents (14 chapters)
Play Framework Essentials
Play Framework Essentials
Credits
Credits
About the Author
About the Author
About the Reviewers
About the Reviewers
www.PacktPub.com
www.PacktPub.com
Preface
Preface
Free Chapter
1
Building a Web Service
Building a Web Service
Play – a framework used to write web applications
Bootstrapping a Play application
URL routing
Building HTTP responses
Reading JSON requests
Summary
2
Persisting Data and Testing
Persisting Data and Testing
Testing your web service
Persisting data
Using an in-memory database for tests
Summary
3
Turning a Web Service into a Web Application
Turning a Web Service into a Web Application
Delta between a web service and a web application
Using the template engine to build web pages
Generating HTML forms
Reading and validating HTML form data
Handling content negotiation
Putting things together
Writing web user interface tests
Summary
4
Integrating with Client-side Technologies
Integrating with Client-side Technologies
Philosophy of Play regarding client-side technologies
Serving static assets
Using the JavaScript reverse router
Managing assets from the build system
Summary
5
Reactively Handling Long-running Requests
Reactively Handling Long-running Requests
Play application's execution model
Scaling up your server
Embracing non-blocking APIs
Managing execution contexts
Writing incremental computations using iteratees
Streaming results using enumerators
Manipulating data streams by combining iteratees, enumerators, and enumeratees
Controlling the data flow
Summary
6
Leveraging the Play Stack – Security, Internationalization, Cache, and the HTTP Client
Leveraging the Play Stack – Security, Internationalization, Cache, and the HTTP Client
Handling security concerns
Saving computation time using cache
Serving content in several languages
Calling remote web services
Summary
7
Scaling Your Codebase and Deploying Your Application
Scaling Your Codebase and Deploying Your Application
Making an action's logic reusable and composable with action builders
Modularizing your code
Application deployment
Summary
Index
Index

Chapter 3. Turning a Web Service into a Web Application

In this chapter, you will learn how to enhance your web service to make it a web application by serving HTML pages that contain client-side logic. You will learn how to use the HTML template engine and how to write browser tests.

More precisely, you will learn how to perform the following:

  • Use the template engine to build HTML and JavaScript documents

  • Generate URLs according to your route's definitions

  • Handle content negotiation

  • Read and validate data in the HTML forms

  • Generate HTML forms using Play forms helpers

  • Write web browser tests

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