1. {{
Slim3 for GAESlim3 for GAE
Java framework for Google application engine.Java framework for Google application engine.
Author by caoguangyaoAuthor by caoguangyao

2.  Optimized for Google App engine/JavaOptimized for Google App engine/Java
 Can use as just a datastore frameworkCan use as just a datastore framework
 Main concept :Simple,Less Is MoreMain concept :Simple,Less Is More
 Open sourceOpen source
 Main feature:fast spin-up,hot reloading,typeMain feature:fast spin-up,hot reloading,type
safe querysafe query
Slim3=> MVC framework.Slim3=> MVC framework.

3.  Install javaInstall java
 Install eclipseInstall eclipse
 Plugins for Eclipse:Plugins for Eclipse:
http://dl.google.com/eclipse/plugin/3.7http://dl.google.com/eclipse/plugin/3.7
http://slim3.googlecode.com/svn/updates/http://slim3.googlecode.com/svn/updates/
EnvirementsEnvirements

4. configurationconfiguration

5. ConfigurationConfiguration

6. ConfigurationConfiguration

7.  File-New-Project-Slim3-Slim3 ProjectFile-New-Project-Slim3-Slim3 Project
 Give the project name & root package nameGive the project name & root package name
Create a blank projectCreate a blank project

8.  Uncomment out GWTServiceServlet and theUncomment out GWTServiceServlet and the
servlet-mapping in war/WEB-INF/web.xmlservlet-mapping in war/WEB-INF/web.xml
<servlet><servlet>
<servlet-name>GWTServiceServlet</servlet-name><servlet-name>GWTServiceServlet</servlet-name>
<servlet-class>org.slim3.gwt.server.rpc.GWTServiceServlet</servlet-class><servlet-class>org.slim3.gwt.server.rpc.GWTServiceServlet</servlet-class>
<load-on-startup>1</load-on-startup><load-on-startup>1</load-on-startup>
</servlet></servlet>
<servlet-mapping><servlet-mapping>
<servlet-name>GWTServiceServlet</servlet-name><servlet-name>GWTServiceServlet</servlet-name>
<url-pattern>*.s3gwt</url-pattern><url-pattern>*.s3gwt</url-pattern>
</servlet-mapping></servlet-mapping>
Edit project configureEdit project configure

9.  File-New-ModuleFile-New-Module
 Input “tutorial” in the “Package” text fieldInput “tutorial” in the “Package” text field
 Input “Main” in the “Module name” text fieldInput “Main” in the “Module name” text field
 Click “finish”Click “finish”
 ““src/tutorial/Main.gwt.xml” will be createdsrc/tutorial/Main.gwt.xml” will be created
 Change it toChange it to
<?xml version="1.0" encoding="UTF-8"?><?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE module PUBLIC "-//Google Inc.//DTD Google Web Toolkit 2.5.1//EN"<!DOCTYPE module PUBLIC "-//Google Inc.//DTD Google Web Toolkit 2.5.1//EN"
"http://google-web-toolkit.googlecode.com/svn/tags/2.5.1/distro-source/core/src/gwt-"http://google-web-toolkit.googlecode.com/svn/tags/2.5.1/distro-source/core/src/gwt-
module.dtd">module.dtd">
<module<module rename-to='main'rename-to='main'>>
<inherits name="com.google.gwt.user.User" /><inherits name="com.google.gwt.user.User" />
<inherits name='org.slim3.gwt.emul.S3Emulation' /><inherits name='org.slim3.gwt.emul.S3Emulation' />
<source path="client"/><source path="client"/>
<source path="shared" /><source path="shared" />
</module></module>
Create moduleCreate module

10.  File-New-Entry Point ClassFile-New-Entry Point Class
 Input “tutorial.client” in the “Package” textInput “tutorial.client” in the “Package” text
fieldfield
 Input “MainEntryPoint” in the “Name” textInput “MainEntryPoint” in the “Name” text
fieldfield
 ““src/tutorial.client/MainentryPoint.java” willsrc/tutorial.client/MainentryPoint.java” will
be createbe create
 File – New – Html PageFile – New – Html Page
 Input “index.html” in the “file name” text fieldInput “index.html” in the “file name” text field
Create Entry Point ClassCreate Entry Point Class

11.  Run as > Web Application.Run as > Web Application.
Running the ProjectRunning the Project