Home Application-development Google App Engine Java and GWT Application Development

Google App Engine Java and GWT Application Development

By Daniel Guermeur , Amy Unruh
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  1. Introduction
    • Introduction
    • Overview of the chapter
    • Introduction to Google App Engine
    • Example application:
    • Online resources
    • Summary
    • Using Eclipse and the Google Plugin
    • Installing the plugin and supporting software
    • Developing your application in Eclipse
    • Running and debugging your application
    • Deploying your application
    • Importing an existing application
    • Summary
    • Building the Connectr User Interface with GWT
    • Installing the (first version of) the project in Eclipse
    • AJAX and its benefits
    • Why AJAX apps are the way forward
    • Challenges associated with AJAX programming and how GWT solves them
    • Google Web Toolkit overview—modern tools for modern developers
    • Building the application—the user interface
    • Grouping CSS files and images for faster speed with ClientBundle
    • Getting data from the server using GWT RPC
    • Summary
    • Persisting Data: The App Engine Datastore
    • Introduction
    • The Datastore
    • JDO
    • Creating Connectr's data models
    • Inspecting the Datastore
    • Resources
    • Summary
    • JDO Object Relationships and Queries
    • Modeling relationships between objects
    • Finding objects—queries and indexes
    • The App Engine Datastore index
    • Summary
    • Implementing MVP, an Event Bus, and Other GWT Patterns
    • Introducing MVP – The need for design patterns in software
    • Introduction to MVP
    • Connectr MVP application architecture overview
    • Coding MVP into Connectr
    • Events and the event bus
    • Adding support for browser history
    • Implementing browser history management
    • Centralizing RPC calls for better handling and usability and reliability
    • MVP Development with Activities and Places
    • Summary
    • Background Processing and Feed Management
    • Overview of the chapter
    • Using Servlets in App Engine
    • Using migrations to evolve the Datastore entities
    • Pulling in Feeds: The URL Fetch service
    • Using RSS/Atom feeds in the app
    • Enabling background feed updating and processing
    • Summary
    • Authentication using Twitter, Facebook OAuth, and Google Accounts
    • Connectr login implementation
    • OAuth: a new way to login and authorize
    • Integrating with Facebook
    • Registering Connectr with Facebook
    • Authenticating against Google
    • Authenticating against Twitter with OAuth
    • Logging out
    • Uniquely identifying Connectr users
    • Automatically registering users when they login
    • Summary
    • Robustness and Scalability: Transactions, Memcache, and Datastore Design
    • Data modeling and scalability
    • Using transactions
    • Using Memcache
    • Summary
    • Pushing Fresh Content to Clients with the Channel API
    • Why use push technology
    • Implementation overview
    • Setting up the application to handle pushed messages
    • Pushing messages to clients
    • Creating custom classes of pushed messages
    • Telling the server a client is inactive
    • Adding a refresh button to allow on-demand news updates
    • Summary
    • Managing and Backing Up your App Engine Application
    • Configuration and deployment
    • The Admin Console
    • Command-line administration
    • Using Appstats
    • Using your own domain for an app
    • Summary
    • Asynchronous Processing with Cron, Task Queue, and XMPP
    • Introduction
    • Activity stream classes
    • Server-Side asynchronous processing
    • Supporting synchronous content delivery: Datastore queries and caching
    • XMPP: Information push to the app
    • Summary
    • Conclusion and Final Thoughts
    • What lies ahead for App Engine and GWT?
Google App Engine Java and GWT Application Development
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