As we already know portlet class should extends mvc portlet class so that we can call it as liferay mvc portlet. Atlassian 3rdp old 1 spring plugins 45 spring lib m 2 spring milestones 2 jboss public 4. 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. Jsr168 portlet specification defined on the java community process jcp. 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. I was told that one cannot use servletresponse in portlets. In addition to supporting conventional servletbased web development, spring also supports jsr286 portlet development. 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. 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. Liferay mvc is portlet development framework given by liferay. Due to its similarities with spring mvc, we are not going to cover spring portlet mvc feature by feature. 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. Spring portlet mvc framework is mirror image of web mvc framework in spring. Swf integrates with existing frameworks like spring mvc, struts, and jsf, in both servlet and portlet environments.
Jun 23, 2010 finally, it concludes with a sample which illustrates developing portlet applications using springs portlet approach. The spring mvc not only famous for developing java based web applications but also it can be used in portlet development because of its cool features. Spring mvc is fullfledged architecture to build robust, flexible and loosely coupled web application. It covers the high points, assuming you already have familiarity with spring mvc. Liferay mvc portlet development introduction liferay savvy.
Spring mvc 3 next, the tag indicates which urls will be handled by which dispatcherservlet. Due to their similarity, i am not going to cover spring portlet mvc feature by feature, but. This isnt a comprehensive guide to configuring a spring mvc portlet. A little project to play around with liferay portal and spring framework.
In java, a portal can use portlets to generate its contents. Pdf and excel files are often used as reports in web applications. At first we will create a simple portlet say its spring helloworld portlet by liferay ide. The business scenarios are more complicated then normal and they require a full knowledge about the portlet, portlet life cycle and how could provide a compliant enhanced portlet that complying with the latest standards presented at the portlet field.
This project is a spring mvc based portlet war that implements the same functionality as the appsservicebuilderbasicweb sample project. In this tutorial, it show the use of abstractpdfview class in spring mvc application to export data to pdf file for download. 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. Liferay tutorial liferay portal portlet tutorial journaldev. If you can use a portlet to generate a pdf or an excel file, it will give your users another ui experience. Liferay service builder used spring hibernate dao implementation to create the services.
Portlet mvc framework is mirror image of web mvc framework in spring. Thank you swisst, i did go through all the available information and tutorial on spring mvc portlet framework. The portlet mvc framework provides a mock testing framework that you can use for testdriven development of your portlet. File download spring mvc portlet file download spring mvc portlet. It is easy to understand the differences and similarities between liferay mvc vs spring mvc by comparing their characteristic side by side. By this hello world spring mvc portlet i will try to explain how to create your first spring portlet and necessary annotations.
Ive read about portlet resource serving in jsr 286 specification, can someone please elaborate on that for spring 3. Developing a spring portlet mvc framework application for use. Portlet development with spring portlet mvc and websphere. This is the 2nd article in the 3part series of articles focusing on spring 3. Spring also support its counter part spring mvc for portlet. If you do not want to go with the default filename as servletnameservlet. It manages jsp pages for display, uses a spring annotated portlet class, and invokes the appsservicebuilderbasicapi module to call. Spring portlet mvc is inherited from spring mvc so we can use spring portlet mvc to create portlets and we can deploy spring portlet in jsr 168 and jsr 286 standards portals.
But, keep in mind that we are now developing a portlet, so according to the portlet 2. Aug 10, 2009 this session will provide a complete tour of using the spring mvc framework to build java portlets. 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. The spring web mvc framework provides a modelview controller architecture and ready components that can be used to develop flexible and loosely coupled web applications. You created a jsf liferay portlet and deployed it on the liferay portal. The spring mvc portlet provides a way to add various different fields into the database and display them in a table. Portlets in action is a comprehensive, handson guide to building portletdriven applications in java. This session will provide a complete tour of using the spring mvc framework to build java portlets. This article is a stepbystep tutorial on spring portlet mvc framework.
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. Its part of a threepart series that creates a portlet example using the spring 3. 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. Spring mvc par lexemple partie 3, avril 2006 debuter avec spring mvc par. For more information on this, please refer and read introduction to spring web mvc. Central alfresco ebipublic sonatype spring releases. This article is taken from the book portlets in action. Spring mvc portlet is a part of spring web mvc framework provide by spring. Liferay mvc portlet development with liferay ide liferay. There are little different in spring mvc portlet framework. This article is taken from the book portlets in action from manning publications.
The spring web modelview controller mvc framework is designed around a dispatcherservlet that dispatches requests to handlers, with configurable handler mappings, view resolution, locale and theme resolution as well as support for uploading files. With the spring portlet mvc framework you get not only a fullfeatured portlet framework that preserves the lifecycle phases of portlets, but also features like. In the presented introduction about apache pluto, weve mainly discussed the most simple portlet application that you may have. When we run ant deploy target first all java classes will be compiled and packages as war file then placed in liferay deploy directory. Liferay mvc on other hand is light weight framework to build portlets for liferay portal only. Getting started with spring portlet mvc portlets in action. If you dont, you should consider using liferays mvc framework. One of spring portlet mvc frameworks biggest advantages is that because it is spring module, it provides easy integration with spring framework, which is a fullstack j2ee application framework. Liferay mvc portlet database interactions liferay mvc crud. Spring mvc portlet file upload and download portal hub.
How to develop portlets with spring mvc portlet in liferay. Dispatcherportlet is working as portlet class for spring mvc. Spring mvc comes with abstractpdfview class to export data to pdf file via bruno lowagies itext library. Accept header set to applicationpdf requests a pdf representation of the user fred. Portlet bridges will be provided by framework vendors so that we can use those bridges to develop specific frame work based portlets same way spring also proving spring mvc portlet bridge with this we can develop portlets and that can be run in any portal servers which follow the. Build three of the screens in time expression using spring mvc. When we create liferay mvc portlet using plugins sdk then portlet consists of ant build file and the build file have service builder related target by default. Spring web flow swf aims to be the best solution for the management of web application page flow. In this post i would like to share a problem we faced when integrating spring portlet mvc framework with websphere portal, as well as our solution.
Central 100 atlassian 3rdp old 1 spring plugins 27 alfresco 2 cambridge 1 version repository. Spring portlet is a framework released from spring community for easier development of java portlets. Serve pdf in spring portlet mvc architecture liferay 6. There are different types of portlet containers such as apache pluto, oracle web center and liferay. As defined in the jsr286 specification, a normal client to server action request is separated into two phases. The feature of pdf file generation may come in handy sometimes a future. Found many solutions the most popular one being writing a servlet that does the job. You can often find their classes and interfaces with the same names but in different packages. Liferay mvc portlet database interactions liferay mvc.
Heres the answer after i worked it out for a little while. The spring web modelviewcontroller mvc framework is designed around a. Jul 07, 2015 if we take a look at spring mvc portlet, we will notice that is very similar to spring mvc. Dependency injection is for what the spring was invented. Keywords configuration file form controller handler method view mode action request.
Spring core, imprimer, index avec sommaire, telecharger le pdf. 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. Before delving into this article, the reader is expected to have a fair bit of knowledge on core spring framework and spring mvc. It also provides the infrastructure code for common j2ee requirements, and it works easily with popular open source frameworks such as hibernate and. About the technology portlets are the small java applications that run within a portal.
Liferay mvc portlet is default liferay portlet development frame work and it is inbuilt in liferay plugins sdk. This annotation support is available for both servlet mvc and portlet mvc. We need not to do any additional configuration or need not to add any additional jar files when we develop portlet using liferay mvc. Aug 18, 2010 spring mvc comes with abstractpdfview class to export data to pdf file via bruno lowagies itext library. The form tag library is integrated with spring portlet mvc framework and gives access to the command object. In this chapter, i will demonstrate how to use spring web mvc framework. I was looking for a way to send a pdf direct display file to the browser through liferay portal. In addition to supporting conventional servletbased web development, spring also supports jsr168 portlet development. Using spring portlet mvc framework in websphere portal. Liferay have out box portlet support for spring portlets. Developing a spring portlet mvc framework application for. Hello world spring mvc portlet with annotations pro liferay. Pdf debuter avec spring mvc par lexemple en pdf formation. It is the liferay 7 difference of module vs plugin create maven spring mvc portlet in liferay.
You can write that file directly to your response writer, and dont forget to change the contenttype. Spring portlet mvc framework provides easy integration with popular viewrendering technologies such as jstl, apache tiles, and apache velocity. Portlets in action is a comprehensive, handson guide to building portlet driven applications in java. If we take a look at spring mvc portlet, we will notice that is very similar to spring mvc. Web mvc framework project metadata api guide spring. Spring mvc portlet is a part of spring web mvc framework provide.
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