Spring presentation

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This document discusses how to effectively use the Spring framework in Liferay. It explains that Spring handles infrastructure and allows focusing on unique functionality. It also describes how Liferay uses Spring in many of its modules through services, Hibernate, workflows and more. Additionally, it notes pros like easy use of annotations and submodules, as well as cons like different contexts for ServiceBuilder and Spring MVC requiring use of utilization methods.

Education Technology

Effective use of Spring in Liferay
Chandan Sharma

 Why use Framework (Spring)
 Use of Spring Framework in Liferay
 How can we use Spring in Liferay
 Pros and Cons
 Q n A
Effective use of Spring in Liferay

 Framework take care of infrastructure and let
you focus on your unique functionality.
 Spring is one of the popular framework.
 Flexible and Lightweight
 Spring MVC is Request Oriented web
framework
 Spring provides many sub frameworks to
make development easier Like IOC, AOP,
Spring Portlet MVC framework etc.
Effective use of Spring in Liferay

 Include support for numerous common view
technologies :
◦ JSP, JSTL, XSLT, Velocity, FreeMarker, Tiles, PDF,
Excel, JasperReport
 Easy to implement new view Technologies
 Interceptors for wrapping other concerns
around controller execution (AOP)
 Exception Resolvers to catch exception
coming out of controllers and mapping to
appropriate views
Effective use of Spring in Liferay

 Liferay Uses Spring in many modules
◦ Spring.configs in portal.properties
 Service builder generates code and
configuration of Spring for using the service
layer
◦ Injecting Dependency in service layer
◦ Hibernate
◦ Infrastructure
◦ Workflow
◦ Mail
◦ Memchached and more….
Effective use of Spring in Liferay

 Using Spring Portlet MVC
 We can create our own service layer or
override the Liferay Existing Spring
configuration
◦ When we use multiple database from the same
portal
◦ When we are writing the Junit Test cases for Service
Layer
◦ Use in hook and Ext based on configuration change
And More…
Effective use of Spring in Liferay

 Any Spring Programmer can use easily no
more learning required
 Spring IOC take care of object Lifecycle
 Get the power of annotation and sub module
 Spring MVC portlet Framwork provide
configuration based portlet we can map more
than one controller to one portlet
 Multiple view technologies can be used easily
 Use Intercepters using AOP at any layer using
xml configuration
Effective use of Spring in Liferay

 Learning of new Framwork
 In Liferay you cannot inject any depencies
from the Spring MVC context into beans held
in the ServiceBuilder context. Becaues of
context are different
 If you are using Liferay Service Builder then
you have to use XXXLocalServiceUtil()
 Some of the Portlet mode is not implemented
in Spring MVC portlet like Help and About.
Effective use of Spring in Liferay

 Portlet in Action
 Spring in Action
 http://static.springsource.org/spring/docs/3
.0.x/reference/portlet.html
 Useful Blogs
Effective use of Spring in Liferay

Effective use of Spring in Liferay
Chandan Sharma
chandansharmamca@gmail.com
http://chandansharmamca.wordpress.com

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1. Effective use of Spring in Liferay Chandan Sharma

2.  Why use Framework (Spring)  Use of Spring Framework in Liferay  How can we use Spring in Liferay  Pros and Cons  Q n A Effective use of Spring in Liferay

3.  Framework take care of infrastructure and let you focus on your unique functionality.  Spring is one of the popular framework.  Flexible and Lightweight  Spring MVC is Request Oriented web framework  Spring provides many sub frameworks to make development easier Like IOC, AOP, Spring Portlet MVC framework etc. Effective use of Spring in Liferay

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5.  Liferay Uses Spring in many modules ◦ Spring.configs in portal.properties  Service builder generates code and configuration of Spring for using the service layer ◦ Injecting Dependency in service layer ◦ Hibernate ◦ Infrastructure ◦ Workflow ◦ Mail ◦ Memchached and more…. Effective use of Spring in Liferay

6.  Using Spring Portlet MVC  We can create our own service layer or override the Liferay Existing Spring configuration ◦ When we use multiple database from the same portal ◦ When we are writing the Junit Test cases for Service Layer ◦ Use in hook and Ext based on configuration change And More… Effective use of Spring in Liferay

7.  Any Spring Programmer can use easily no more learning required  Spring IOC take care of object Lifecycle  Get the power of annotation and sub module  Spring MVC portlet Framwork provide configuration based portlet we can map more than one controller to one portlet  Multiple view technologies can be used easily  Use Intercepters using AOP at any layer using xml configuration Effective use of Spring in Liferay

8.  Learning of new Framwork  In Liferay you cannot inject any depencies from the Spring MVC context into beans held in the ServiceBuilder context. Becaues of context are different  If you are using Liferay Service Builder then you have to use XXXLocalServiceUtil()  Some of the Portlet mode is not implemented in Spring MVC portlet like Help and About. Effective use of Spring in Liferay

9.  Portlet in Action  Spring in Action  http://static.springsource.org/spring/docs/3 .0.x/reference/portlet.html  Useful Blogs Effective use of Spring in Liferay

10. Effective use of Spring in Liferay Chandan Sharma chandansharmamca@gmail.com http://chandansharmamca.wordpress.com

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