Spring 5 new features and enhancements howtodoinjava. I have posted them in the forum 1, 2, 3, but nobody could really give answers to them. Mvc framework and understand the differences between portlet and servlet development. The project began as spring portlet mvc and was part of the spring framework. Spring framework rod johnson juergen hoeller alef arendsen colin sampaleanu rob harrop thomas risberg darren davison dmitriy kopylenko mark pollack thierry templier. This article is a stepbystep tutorial on spring portlet mvc framework. This is the 2nd article in the 3part series of articles focusing on spring 3. This frame work is liferay specific one and we can use in liferay portal. As a prerequisite, readers are advised to go through the introductory article on spring framework introduction to spring framework. Mvc driven portlets portals and portlets forum at coderanch. If you looking for creating a simple hello world article please check this article. The bean module is responsible for creating and managing spring beans is application context structure unit. Controllers in portlet mvc in javasprings tutorial 18.
In this chapter, you will learn about portlet development using the spring portlet mvc framework, which is very similar to the spring mvc framework discussed in chapter 14. Developed portlet support for spring mvc and spring security advised spring web flow on portlet support advised jsr 286 portlet 2. Liferay mvc is portlet development framework given by liferay. There are little different in spring mvc portlet framework. Jun 23, 2010 finally, it concludes with a sample which illustrates developing portlet applications using springs portlet approach. This session will provide a complete tour of using the spring mvc framework to build java portlets. However, if you use the web mvc framework or the aop support, youll find that they build on the configuration framework, so you can apply your knowledge about it immediately. Tour start here for a quick overview of the site help center detailed answers to any questions you might have meta discuss the workings and policies of this site. This article also covers some details about java portlet specification.
Found many solutions the most popular one being writing a servlet that does the job. The spring mvc portlet framework mimics the architecture and style. Using spring portlet mvc framework in websphere portal. Note that this bean is a member of the regular spring mvc framework and not a member of a portlet specific package.
Dec 21, 2012 the spring web mvc framework provides modelviewcontroller architecture and ready components that can be used to develop flexible and loosely coupled web applications. This seminar provides an introduction to portlet development using the spring mvc framework. If you look at the api of spring portlet mvc then youll find that it uses the same class interface name but different packaging to. In this article, we will quickly go through some exciting features coming in spring 5. The framework consists of a controller portlet and a collection of processors for handling renderaction requests. Spring tutorial getting started with spring framework. Thats the case at the moment with spring portlet mvc. In this article will be show how to develop a file upload and download portlet using spring mvc portlet. Jun 23, 2007 the spring mvc provides rich functionality for building robust web applications and it is available as a separate module in the distribution.
A head start introduction part 1 what, why, concepts, and architecture. Portlet mvc framework is mirror image of web mvc framework in spring. In this chapter, you will learn about portlet development using the spring portlet mvc framework, which is very similar to the spring web mvc framework because most of it is ported from web mvc. Portlet development with spring portlet mvc and websphere. Spring mvc framework tutorial with example dinesh on java. This is an alternative to third party frameworks such as spring mvc portlet, struts or jsf. Central 99 atlassian 3rdp old 1 spring plugins 27 alfresco 2 cambridge 1 version repository. Controllers in portlet mvc in javasprings tutorial 18 march. Now, as i said, from an application design perspective, i have a portal application which is more of an mvc web application and i need to convert this into a portal application with all the sections of the applications as portlets. The spring mvc framework is architected and designed in such a way that every piece of logic and functionality is. If you prefer to compare encoded paths, set this flag to false. We will first get brief introduction about spring mvc web mvc framework and then we see how to write spring mvc portlet in liferay. May 20, 2012 this entry was posted on may 20, 2012, in code snippets, developement, liferay, portal, spring mvc portlet and tagged file download, file upload, liferay, resource url, spring mvc, spring mvc portlet, spring mvc portlet file upload. Sep 03, 2012 spring also support its counter part spring mvc for portlet.
Ive read about portlet resource serving in jsr 286 specification, can someone. We also demonstrate how you can integrate apache tiles framework with spring portlet mvc framework. Spring mvc modelviewcontroller spring mvc helps in building flexible and loosely coupled web applications. Before delving into this article, the reader is expected to have a fair bit of knowledge on core spring framework and spring mvc. The spring portlet mvc framework differs from other frameworks because its exclusively designed for developing portlets. Hello, in my habit to use libsframeworks as best as possible i often drive them to their extremes and come across some issues in them or at least questions others might not have had and cant answer me. Spring framework web layer consists of web, webmvc, websocket, webportlet etc. If you want spring portlet mvc framework to use the same handler for both the action and render phases, then you use parametermappinginterceptor. Liferay supported spring based portlet and we can deploy into liferay portal server. It provides a rich functionality for building robust web applications. In this chapter, i will demonstrate how to use spring web mvc framework.
Spring is basically a technology committed to enabling you to build applications using plain old java objects pojos. Spring 5 is the first major release, almost four years after spring framework 4. Due to their similarity, i am not going to cover spring portlet mvc feature by feature, but. Spring mvc portlet is a part of spring web mvc framework provide by spring. The mvc pattern results in separating the different aspects of the application input logic, business logic, and ui logic, while providing a loose coupling between these elements. Spring portlet is a framework released from spring community for easier development of java portlets. The controllers in portlet mvc are very similar to the web mvc controllers, and porting code from one to the other should be simple. Spring portlet mvc is like a mirror image of spring mvc but it is a dedicated framework for developing portlets. In addition to supporting conventional servletbased web development, spring also supports jsr168 portlet development. Swf integrates with existing frameworks like spring mvc, struts, and jsf, in both servlet and portlet environments. Aug 18, 2010 spring mvc comes with abstractpdfview class to export data to pdf file via bruno lowagies itext library.
If you already know spring mvc then in no time youll be up and running with spring portlet mvc framework. Note that from this point on, i will refer to the spring web mvc framework as sim. In this article, we will learn about programming portlets using spring portlets framework which is a layer built on top of java portlet specification jsr 168. Thank you swisst, i did go through all the available information and tutorial on spring mvc portlet framework. There are different types of portlet containers such as apache pluto, oracle web center and liferay. Portlets in action is a comprehensive, handson guide to building portletdriven applications in java. Spring framework provides a generic abstraction layer for transaction management. Spring portlet mvc framework provides easy integration with popular viewrendering technologies such as jstl, apache tiles, and apache velocity.
The spring mvc framework is architected and designed in such a way that every piece of logic and functionality is highly configurable. Everything is ok and just like spring portlet mvc 3, but when i pass the form values from jsp page to the action or render metho. Spring framework i about the tutorial spring framework is an open source java platform that provides comprehensive infrastructure support for developing robust java applications very easily and very rapidly. A mvc framework similar to struts for building jsr 168 compliant portlets. The spring web modelviewcontroller mvc framework is designed around a so on instead of stringonly form objects with manual parsing and conversion to business objects. The webportlet module provides the mvc implementation to be used in a portlet environment and mirrors the functionality of webservlet module. Liferay mvc on other hand is light weight framework to build portlets for liferay portal only. How to develop portlets with spring mvc portlet in liferay. Its really depend on your requirements, since liferay mvcportlet are just simple subclasses of the javax. In addition to supporting conventional servletbased web development, spring also supports jsr286 portlet development. Spring comes with an mvc web application framework, built on core spring functionality. How this is possible is discussed in the next section. The spring web mvc framework provides modelviewcontroller architecture and ready components that can be used to develop flexible and loosely coupled web applications.
This is because spring portlet mvc reuses all spring mvc view technologies, as we already said when we introduced spring portlet mvc. The portlet mvc framework provides a mock testing framework that you can use for testdriven development of your portlet. May 29, 2011 the last bean to discuss is our viewresolver. This annotation support is available for both servlet mvc and portlet mvc.
This article is taken from the book portlets in action. The basis for the portlet mvc controller architecture is the rg. This is a stepbystep guide on how to develop a spring framework mvc application from scratch using netbeans. This article shows you how to build a simple helloworld portlet application using spring portlet mvc framework for deployment in ibm. Chapter 7 and 8 contains many examples of how to use spring portlet mvc portlets. During this time, most of the enhancements were done in spring boot project. Accept header set to applicationpdf requests a pdf representation of the user fred. In this tutorial, it show the use of abstractpdfview class in spring mvc application to export data to pdf file for download.
The web module provides functions such as downloading files, creating web application, rest web service etc. We will be using action url for file upload and resource url for file download. Genericportlet, i dont think its a fair comparison between web framework such as strut 2 or spring mvc. The spring mvc provides rich functionality for building robust web applications and it is available as a separate module in the distribution. In this post i would like to share a problem we faced when integrating spring portlet mvc framework. Spring also support its counter part spring mvc for portlet. Note that this support is now deprecated as of spring 3. Getting started with spring portlet mvc portlets in action. Hi iqbal, as suggested by manish, it depends on your requirement. If you want your portlet to do just simple thing, choose liferay mvc. As much as possible, the portlet mvc framework is a mirror image of the web mvc framework, and also uses the same underlying view abstractions and integration technology.
It doesnt hide the multiple request processing phases of portlets, making it a more intuitive framework to develop portlets using spring portlet mvc. Spring tutorial getting started with spring framework edureka. In this post ive shown one of the figures from chapter 7 of portlets in action book, which depicts how spring portlet mvc framework works. Spring security interview questions and answers pdf. Spring mvc and pdf file via abstractpdfview using abstractpdfview to.
Spring portlet mvc framework tries to resolve handler for the current request in both action phases as well as the render phase. The dispatcherportlet acts as the front controller for each portlet and finds the handler mapped which is helloworldcontroller in the above diagram to. The spring portlet model view controller framework is a truly unique one compared to other frameworks because it is exclusively designed for developing portlets, leaving behind the limitations that comes with providing portlet development support in an existing web framework. Spring mvc portlet file upload and download portal hub. Spring portlet mvc framework is mirror image of web mvc framework in spring.
We will first get brief introduction about spring mvc web mvc framework and then we see how to write spring mvc portlet in liferay step by step. In this article we created a simple hello world portlet using the spring 3. For more information on this, please refer and read introduction to spring web mvc. Web mvc framework project metadata api guide spring. Spring has its own spring portlet mvc framework which is exclusively designed to support portlets 2.
Liferay have provided flexibility to develop portlet with different web framework such as jsf, spring, struts and vaadin. Developing a spring portlet mvc framework application for. By using it in our websphere portal application development, we benefited not only from the portlet mvc framework itself, but also from other features such as ioc supported by spring. This framework is highly configurable via strategy interfaces and accommodates multiple view technologies like jsp, velocity, tiles, itext, and poi. Jsr168 portlet specification defined on the java community process jcp. The spring web modelviewcontroller mvc framework is designed around a. Serve pdf in spring portlet mvc architecture liferay 6. Developing a simple portlet with spring portlet mvc. Liferay mvc portlet development with liferay ide liferay. This tutorial is intended to provide you a full detailed explanation for getting liferay portal up and running and deploy the same employee registration sample that we had developed in earlier tutorial. A spring mvc portlet framework is also provided for those that need to build web portals. Nov 26, 2009 developed portlet support for spring mvc and spring security advised spring web flow on portlet support advised jsr 286 portlet 2.
Can we use spring mvc along with spring portlet mvc. Using this framework, we can manage easily portlet lifecycle and all the requests that it can serve. Spring can easily be integrated with other mvc frameworks, butsprings mvc frameworkis a better choice, since it uses ioc to provide for a clean separation of controller logic from business objects. You can often find their classes and interfaces with the same names but in different packages. Developing a spring portlet mvc framework application for use. The modelviewcontroller design pattern helps in separating the business logic, presentation logic and navigation logic. It provides an elegant solution to use mvc in spring framework with the help of dispatcherservlet. Spring mvc is fullfledged architecture to build robust, flexible and loosely coupled web application. The spring mvc framework is architected and designed in such a way that every piece of. Spring 3 mvc introduction to spring 3 mvc framework. About the technology portlets are the small java applications that run within a portal. Jun 21, 2010 introduction to spring 3 mvc framework spring mvc is the web component of springs framework.