It is the liferay 7 difference of module vs plugin create maven spring mvc portlet in liferay. As pointed to in the liferay documentation for spring mvc portlets, these guys need to be built as war files, and the liferay workspace will actually help you get this work done. Dispatcherportlet is working as portlet class for spring mvc. Now i was wondering how i can return this pdf to the user in the form of a saveopen file dialog box. Introduction so ive been working on some new blade sample projects, and one of those is the spring mvc portlet example. Jun 23, 2010 finally, it concludes with a sample which illustrates developing portlet applications using springs portlet approach. Leveraging spring mvc annotations and jsr 286 resource. The portlet mvc framework provides a mock testing framework that you can use for testdriven development of your portlet. You can set up this type of view resolver in the spring context file, which, by default, is located at webinfhelloworldservlet.
Creating a spring mvc portlet war in the liferay workspace. About the technology portlets are the small java applications that run within a portal. Creating a spring mvc portlet using eclipse and wdt. Spring mvc portlet file upload and download portal hub. Spring mvc and pdf file via abstractpdfview spring mvc comes with abstractpdfview class to export data to pdf file via bruno lowagies itext library. To create an osgi spring portlet please look at the spring osgi portlet. Finally, it concludes with a sample which illustrates developing portlet applications using spring s portlet approach. In this tutorial, it show the use of abstractpdfview class in spring mvc application to export data to pdf file for download. The spring web modelviewcontroller 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. Hello world spring mvc portlet with annotations pro liferay. Create maven spring mvc portlet in liferay tech blog. One way to achieve the isolation would be to create a dedicated webapp for the service module, with a remote callable api.
I was looking for a way to send a pdf direct display file to the browser through liferay portal. 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. 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. But if anyone has some pointers for a normal application then i can probably figure it out from there. Found many solutions the most popular one being writing a servlet that does the job. Its easy why restrict your portlet to only run on liferay. Some of the common frameworks are liferay mvc framework soy portlet java server faces vaadin framework and spring mvc in this tutorial, you will. Spring also support its counter part spring mvc for portlet. Create a module project select spring mvc portlet project template. Are you still using plain vanilla portlets and want to catch up with the rest of the modern web development world. The modelviewcontroller design pattern helps in separating the business logic, presentation logic and navigation logic.
Developing spring based websphere portal application using. This article is taken from the book portlets in action from manning publications. This is an alternative to third party frameworks such as spring mvc portlet, struts or jsf. Simpleformcontroller is one of the concrete implementations of abstractformcontroller, which provides a simple workflow for handling form submissions. Liferay tutorial liferay portal portlet tutorial journaldev. There are little different in spring mvc portlet framework. Portlets in action is a comprehensive, handson guide to building portlet driven applications in java. Liferay mvc on other hand is light weight framework to build portlets for liferay portal only. Forward request parameters to model i got two views. Using this framework, we can manage easily portlet lifecycle and all the requests that it can serve.
Note that this support is now deprecated as of spring 3. Portlets in action is a comprehensive, handson guide to building portletdriven applications in java. How to develop portlets with spring mvc portlet in liferay. Change portlet id from sample spring mvc porlet to portlet1 portlet name that we gave in portlet. Developing a spring portlet mvc framework application for use. Due to its similarities with spring mvc, we are not going to cover spring portlet mvc feature by feature. Liferay is an open platform in an ecosystem of open platforms. Controllers in portlet mvc in javasprings tutorial 18. Using spring portlet mvc framework in websphere portal. Springmvc is one of the most popular and actively maintained model view controller frameworks available today. The spring portlet mvc framework facilitates injecting dependencies and implementing the model view controller pattern in portlets. This session will provide a complete tour of using the spring mvc framework to build java portlets. 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. Central 99 atlassian 3rdp old 1 spring plugins 27 alfresco 2 cambridge 1 version repository.
For more information on this, please refer and read introduction to spring web mvc. Spring provides view resolvers to generate output in different format for each of these view technologies. 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. If you dont, you should consider using liferays mvc framework. Springmvc framework support many view technologies like jsp, freemarker, velocity,pdf etc.
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. The basis for the portlet mvc controller architecture is the rg. This framework, however, is only available in liferays portal. You can take help of liferay developer studios wizard to add new maven spring mvc portlet. In case the link goes down, could you please expand your answer to include information on how to do this. Spring mvc modelviewcontroller spring mvc helps in building flexible and loosely coupled web applications. You can often find their classes and interfaces with the same names but in different packages. As much as possible, the portlet mvc framework is a mirror image of the web mvc framework, and also uses the same.
This article is a stepbystep tutorial on spring portlet mvc framework. Spring framework simplifies the complexity of enterprise applications because it uses java beans to implement enterprise applications that were previously possible only with enterprise beans. Liferay service builder used spring hibernate dao implementation to create the services. After we configure a wellstructred maven layout for our liferay project, we will create a simple spring mvc portlet. Its part of a threepart series that creates a portlet example using the spring 3. Upgrading a spring mvc portlet liferay help center. Spring handles the infrastructure so application developer can. Understand the impact of spring 3 to the web mvc framework. By this hello world spring mvc portlet i will try to explain how to create your first spring portlet and necessary annotations. Therefore, different web mvc classes will be reused. Spring is one of the most popular application development frameworks for enterprise java that aids creation of high performing, easily maintainable applications with reusable code. The spring portlet mvc framework is a mirror image of the spring web mvc framework, and uses the same underlying view abstractions and integration technology. This tutorial demonstrates upgrading a spring mvc portlet called my spring mvc project my spring mvc portlet.
In this post i would like to share a problem we faced when integrating spring portlet mvc framework. Development of a simple portlet with spring mvc isos technology. Spring mvc 1 the spring web mvc framework provides a modelviewcontroller architecture and ready components that can be used to develop flexible and loosely coupled web applications. 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. For example, liferay dxp contains an mvc framework that makes it simpler to implement mvc in your portlet. Spring s web or portlet framework is a welldesigned mvc. Today we will be learning about portlet handler interceptor or simply you can say mvc interceptor with spring. Creating spring portlet was a nightmare in liferay 7 dxp, in the latest version of the liferay ide it has been made so simple to create a spring portlet using liferay ide environment liferay ide 3. In the third and final article in our series, we cover more advanced topics in the spring portlet mvc framework, including form validation, file upload, and handling exceptions.
Serve pdf in spring portlet mvc architecture liferay 6. Before delving into this article, the reader is expected to have a fair bit of knowledge on core spring framework and spring mvc. Spring framework was initially written by rod johnson and was first released under the apache 2. In spring mvc portlet, you can plug many view technologies like jsp, freemarker, velocity, pdf etc. You may ask, why use spring mvc and not extend one of the liferay implementations e. Spring abstractpdfview display already created pdf in the browser. It provides an elegant solution to use mvc in spring framework with the help of dispatcherservlet. We will be using action url for file upload and resource url for file download. Jun 06, 2015 spring mvc portlet is a part of spring web mvc framework provide by spring. The spring framework is a java platform that provides comprehensive infrastructure support for developing java applications. Mvcportlet or its sub class is a portlet class for liferay mvc. Aug 10, 2009 this session will provide a complete tour of using the spring mvc framework to build java portlets.
A spring mvc portlet framework is also provided for those that need to build web portals. The mvc pattern results in separating the different aspects of the application input logic. Spring portlet mvc framework is mirror image of web mvc framework in spring. Due to their similarity, i am not going to cover spring portlet mvc feature. Spring mvc provides view resolvers that allow developers to provide a simple string e. Without modification, a portlet that uses this framework wont run if deployed to a nonliferay portal container.
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. Build three of the screens in time expression using spring mvc. We also cover internationalization and integration of apache tiles framework with spring portlet mvc framework. Sep 03, 2012 spring also support its counter part spring mvc for portlet. Liferay mvc portlet database interactions liferay mvc crud. Displays some common information about an entity displays more details about this entity the second view has a link just like struts framework, spring mvc is also based on java ee servlet and jsp technologies and implement modelviewcontroller design pattern. It covers the high points, assuming you already have familiarity with spring mvc. 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. Thank you swisst, i did go through all the available information and tutorial on spring mvc portlet framework. This article is taken from the book portlets in action.
Quick conversion to springmvc portlets isos technology. In this chapter, i will demonstrate how to use spring web mvc framework. Spring mvc portlet in liferay using annotations and spring validator. 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. In this article will be show how to develop a file upload and download portlet using spring mvc portlet. Id prefer this over showing a download link if the generation was succesful. Accounting for multiple service implementations, using the best service implementation available taking into account the service ranking property. The controllers in portlet mvc are very similar to the web mvc controllers, and porting code from one to the other should be simple.
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. Spring tutorial getting started with spring framework edureka. If you cannot change the spring version of the service module, you either have to use that version for the entire application, or isolate the service module. Dependency injection is for what the spring was invented. The timing of this writing might seem a bit odd, since portlet development has been moved to a back seat a back row seat, in favor of contentmanaged clientside approaches like script portlet, or other development approaches altogether. It will be important to download and walk through the code with this article as it is very difficult to cover every aspect in a short concise way. There are different types of portlet containers such as apache pluto, oracle web center and liferay. Getting started with spring portlet mvc portlets in action. Ive read about portlet resource serving in jsr 286 specification, can someone please elaborate on that for spring 3. If you looking for creating a simple hello world article please check this article. Jsr168 portlet specification defined on the java community process jcp.
In this example, we will create an annotation and use that annotation in our portlet class and then by reflection we will call that method in our interceptor. Just because liferay has its own mvc framework doesnt mean you have to use it. Whether or not you plan to split up the controller into mvc command classes, you use a portlet component class with a certain set of properties. The web portlet module provides the mvc implementation to be used in a portlet environment and mirrors the functionality of webservlet module. 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. This isnt a comprehensive guide to configuring a spring mvc portlet. You can write that file directly to your response writer, and dont forget to change the contenttype. Aug 18, 2010 spring mvc comes with abstractpdfview class to export data to pdf file via bruno lowagies itext library. Spring mvc redirect to another controller with parameters. In java, a portal can use portlets to generate its contents. 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.