... Engine SDK, platform, and services for web developers using Java TM technologyBOOKs fOR PROfessIOnAls BY PROfessIOnAls®Beginning Java ™ Google App EngineDear Reader,Cloud computing is ... in: Web Development / Programming Languages / Java User level: Beginner to IntermediateFPOTHE APRESS ROADMAPPro ScalaPro HadoopBeginning Java Google App EngineThe Definitive Guide to ... in: Web Development / Programming Languages / Java User level: Beginner to IntermediateFPOTHE APRESS ROADMAPPro ScalaPro HadoopBeginning Java Google App EngineThe Definitive Guide to...
... application in a single environment. You can build your UI directly in Java, ■ FOREWORD xiv connect it to App Engine Java Data Objects, and debug everything end to end, all from within Eclipse. ... Coca-Cola, Anheuser-Busch, Disney Imagineering, Moen, and Ericsson. After years of being a lowly Java developer, in 2006 he ascended into cloud computing. He periodically writes for developer.force.com ... the Project 169 Memcache Service 171 URL Fetch Service 175 Images Service 178 Creating the Java Classes 179 Writing the ImageObject Class 180 Writing the PersistenceManagerFactory Class...
... build enterprise-scalable applications on the same infrastructure that Google uses! The release of Java as the second official language for App Engine marks a tremendous shift in the way applications ... and execute the fetch on a URL for the application. CHAPTER 1 ■ BEGINNING GOOGLE APP ENGINE FOR JAVA 4 It’s important to note that the placement of the offerings on this diagram does not indicate ... versus IT leveraging PaaS (Source: Appirio CIO blog) CHAPTER 1 ■ BEGINNING GOOGLE APP ENGINE FOR JAVA 5 If you’re currently embedded in a traditional software-development structure or a traditional...
... is not yet available for Java applications. You’re probably wondering whether you can query your application usage through the API. Unfortunately, if you’re using Java on App Engine, it’s not ... the total number of requests. CHAPTER 2 ■ INTRODUCTION TO APP ENGINE 17 Mail App Engine for Java utilizes the Mail API to allow your applications to send e-mail messages programmatically....
... GETTING STARTED WITH GOOGLE APP ENGINE FOR JAVA 26 Installing the Java SDK Although App Engine supports both Java 5 and Java 6 we recommend that you run the Java 6 libraries and JVM for compiling ... commands from the terminal. java –version javac – version If you need to download a JDK, start by downloading the appropriate release from http:/ /java. sun.com/javase/downloads. Follow the ... App Engine provides a set of major features in addition to the Java 6 JVM. App Engine supports Java servlets, JDO, JPA, JCache, and JavaMail. In traditional software environments you’d have to...
... src/gaej.chaptertwo.server[GreetingServiceImpl .java] The server-side implementation of the GreetingService. src/gaej.chaptertwo.client[GAEJ___ChapterThree .java] [GreetingService .java] [GreetingServiceAsync .java] This includes ... Eclipse and make sure you are in the Java perspective. You should see Java (default) in the top-right corner of your Eclipse environment. You can select Java (default) from the Open Perspective ... be a demo directory under the subdirectory called “appengine -java- sdk-version”. The online documentation for Google App Engine for Java walks you through the steps to create a guestbook application....
... some applications built using the Java Servlet standard, Swing MVC, and Adobe Flex with GraniteDS. Servlets and JavaServer Pages For web applications, the Java Servlet standard is one of the ... appengine -java- sdk/bin/dev_appserver.sh [options] war-location CHAPTER 3 ■ GETTING STARTED WITH GOOGLE APP ENGINE FOR JAVA 39 These commands are OS-specific wrapper scripts that run the Java ... should execute this command from the SDK’s appengine -java- sdk/bin directory. If you are using Windows, run the following command: appengine -java- sdk\bin\dev_appserver.cmd [options] war-location...
... your application focuses more on the Java aspects of the application. Figure 4-9. Similar classes in both ActionScript and Java Flex communicates with Java application servers using HTTP, ... Inc.//DTD Web Application 2.3//EN" "http:/ /java. sun.com/dtd/web-app_2_3.dtd"> <web-app xmlns="http:/ /java. sun.com/xml/ns/javaee" version="2.5"> <servlet> ... Inc.//DTD Web Application 2.3//EN" "http:/ /java. sun.com/dtd/web-app_2_3.dtd"> <web-app xmlns="http:/ /java. sun.com/xml/ns/javaee" version="2.5"> <servlet>...
... running your code as Java bytecode instead of JavaScript, you can take advantage of Eclipse’s debugging capabilities to debug your server-side Java code and your client-side GWT (JavaScript) code. ... hides the complexity of writing cross-browser JavaScript. You write your AJAX front end in Java, which GWT then cross-compiles into optimized JavaScript that automatically works across all ... APPLICATION 93 methodology you're accustomed to with JavaScript, but with the Eclipse IDE you can step through and debug your Java code line by line in the same toolset that you are already...
... your presentation. You can then offload some of your work and have time to concentrate on the Java code by handing styling duties over to a designer. Add the following entries to TimeEntry.css ... import com.google.gwt.user.client.Window; import com.google.gwt.i18n.client.NumberFormat; import java. util.Date; Coding Your UI Now you’ll start adding your layout and UI components. We will ... started you’ll need to add some imports for the GWT components that you’ll be using. Open TimeEntry .java and add the following imports: import com.google.gwt.core.client.EntryPoint; import com.google.gwt.user.client.ui.Button;...
... a good time to take a look at the entire code in the TimeEntry .java file (Listing 5-1). Listing 5-1. The code for TimeEntry .java package com.appirio.timeentry.client; import com.google.gwt.core.client.EntryPoint; ... com.google.gwt.event.logical.shared.ValueChangeEvent; import com.google.gwt.event.logical.shared.ValueChangeHandler; import java. util.Date; import com.google.gwt.user.client.ui.HTMLTable; import com.google.gwt.user.client.Window;...
... hides the complexity of writing cross-browser JavaScript. You write your AJAX front-end in Java, which GWT then cross-compiles into optimized JavaScript that automatically works across all...
... using either a standard API or a-low level API. With the standard API, either a Java Data Objects (JDO)) or Java Persistence API (JPA)) implementation, you can ensure that your applications ... and make it private. Now add the following imports and methods to TimeEntry .java. Listing 6-7. Changes to TimeEntry .java import com.google.gwt.core.client.GWT; import com.google.gwt.user.client.rpc.AsyncCallback; ... application’s logic must be able to handle these changes. App Engine uses the Java Persistence API (JPA)) and Java Data Objects (JDO)) interfaces for modeling and persisting entities. These...