Finder method in Liferay provides facility to add customization in service layer. Finder method allows to define custom methods which is used to fetch data from DB for different table column. In my last article on Creating Service layer with Service builder in Liferay we have seen how to create service layer for each entity in…
Service builder is an automated tool to construct service and persistence layer in Liferay. We need to define business models (entities) and rest is taken care by service builder. Service Builder is one of the most powerful, time saver, proven and peace of mind feature of Liferay. what is Liferay Service Builder ? Liferay provide nice…
Multiple render in portlet is used to show different views. This is required when different actions requires different results to show. Many times we need different views to display the output after various action performed. In liferay MVC view.jsp is use to render portlet output. Let us see by example. Suppose, our portlet shows the…
Liferay is not only a portal but much more. For example Liferay is one of the best CMS (Content Management System) used today. Liferay CMS is comprised of Web content, Structure and template. Many times, we are in need of incorporating video / audio in the portal. For example, If we build portal for any…
Sometimes, we need to call portlet action method from another portlet which may be on same or different Liferay page. For this we need to construct action URL through Java API which points to target portlet. In this article, we will see how to achieve this. To understand it properly, let’s take a real example. Assume…
Liferay Plugin project can be created in Liferay IDE. We can add multiple portlets in single liferay plugin project. They all combined in single WAR file. So far we have seen that whenever we need to create a portlet, we are creating one plugin project. It’s possible to have multiple plugins (like portlets,hooks, layouts and…
Liferay by default comes with HSQLDB configured. HSQLDB is generally used for development purposes and it’s not recommended for Production. If you observed the Liferay server log then you will come to know that Liferay will put log something like “Liferay is configured to use Hypersonic as its database. Do NOT use Hypersonic in production.…
You might have seen long urls of links / forms of portlets created by liferay. These urls are called Portlet URLs and they are generated dynamically at run time when we place the portlet on Liferay page. In this article we will see how to shorten these URLs in portlet so that it’s more user friendly. (That’s why…
Validation is an essential part of any framework or tool. Validation can be done at client side (through JavaScript) and server side. In this article, we will see how to do server side validation for Liferay portlet. For simplicity, I choose SpringMVC portlet to demonstrate server side validation. You can use this blog to perform validation on Liferay…
Spring MVC Portlet in Liferay provides facility to define multiple render and action methods. Liferay MVC portlet however allow one render method and multiple action methods. In this article, we will see how to write multiple render and action methods in Spring MVC portlet created in Liferay. This article is an addendum of my previous blog Spring…