Site Search - Liferay Learn

Using Liferay Util Body Bottom The body bottom tag is not a self-closing tag. It lets you add additional HTML or scripts to the bottom of the body tag. content placed between the opening and...

Liferay Theme Objects For JSPs

Official Documentation

Liferay Theme Objects For JSPs When you include the tag in your JSP, you gain access to several Liferay theme objects via variables. These objects are described in the table below: ...

Liferay UI Tabs

Official Documentation

Liferay UI Tabs Tabs create dividers that organize content into individual sections. Content can be embedded or included from another JSP. To add tabs to your app, use the tag and specify each...

Using Liferay Util Body Top

Official Documentation

Using Liferay Util Body Top The body top tag is not a self-closing tag. The content placed between the opening and closing of this tag is moved to the top of the body tag. When something is passed...

Using Liferay Util Dynamic Include

Official Documentation

Using Liferay Util Dynamic Include The dynamic include tag lets you specify a point or points in a JSP or theme where a developer can inject additional HTML, resources, or functionality, using the...

Using Liferay Util Buffer

Official Documentation

Using Liferay Util Buffer The buffer tag is not a self-closing tag. The content placed between the opening and closing of this tag is saved to a buffer and its output is assigned to the Java...

Using a JSP and MVC Portlet

Official Documentation

Using a JSP and MVC Portlet An easy way to start developing a web application is to add markup to a JSP file and render it using a portlet Java class. The W3E7 example application demonstrates...

Aggregating Resource Bundles

Official Documentation

Aggregating Resource Bundles When working with a module that shares localized messages, the bnd header must specify the resource bundles you want to associate with the module. Liferay provides a...

Using Liferay Util HTML Bottom

Official Documentation

Using Liferay Util HTML Bottom The HTML bottom tag is not a self-closing tag. Content placed between the opening and closing of this tag is moved to the bottom of the tag. When something is passed...

Using Liferay Util Include

Official Documentation

Using Liferay Util Include The include tag lets you include other JSP files in your portlet's JSP, theme, or web content. This can increase readability as well as provide separation of concerns for...

Using Liferay Util Param

Official Documentation

Using Liferay Util Param The param tag lets you set a parameter for an included JSP page. This configuration requires two JSPs. JSP A, the main view of the app, includes JSP B and sets its...

Using Liferay Util Get URL

Official Documentation

Using Liferay Util Get URL The get URL tag scrapes the URL provided by the url attribute. If a value is provided for the var attribute, the content from the screen scrape is scoped to that...

Using Liferay Util HTML Top

Official Documentation

Using Liferay Util HTML Top The HTML top tag is not a self-closing tag. The content placed between the opening and closing of this tag is moved to the tag. When something is passed using this...

Using Liferay Util Whitespace Remover

Official Documentation

Using Liferay Util Whitespace Remover The whitespace remover tag removes line breaks and tabs from code blocks included between the opening and closing of the tag. Below is an example configuration...

Using Localized Messages in an MVC Portlet

Official Documentation

Using Localized Messages in an MVC Portlet Liferay's localization framework is for creating localized messages in your MVC portlet. Deploy the Sample Code Then, follow these steps: Download...

Sharing Localized Messages

Official Documentation

Sharing Localized Messages As you work on an application you might have multiple modules, each of which with its own language keys. Instead of maintaining various language properties files in...

React Component Utilities Reference

Official Documentation

React Component Utilities Reference Several useful tools are available to help you build high-performance components and applications in Liferay DXP using React: frontend-js-react-web module ...

Using React

Official Documentation

Using React Build your own solutions using Liferay and React.

Using Spring

Official Documentation

Using Spring If you love the Spring Framework and the Model-View-Controller (MVC) pattern, you can develop portlets using PortletMVC4Spring. If you use this framework, you may already be familiar...

PortletMVC4Spring Project Anatomy

Official Documentation

PortletMVC4Spring Project Anatomy PortletMVC4Spring portlets are packaged in WARs. Liferay provides project templates for creating projects configured to use JSP/JSPX and Thymeleaf templates. Their...

Creating Service Wrappers

Creating Service Wrappers With Service Wrappers, you can override default service methods to add extra functionality. For example, you may want the value of a field you've added to Liferay's User...

Reference

Official Documentation

Reference PortletMVC4Spring integrates Spring, the Spring Web Framework, and the MVC design pattern with portlet development. As such, it uses configuration files from each of these areas and...

Developing a PortletMVC4Spring Portlet

Official Documentation

Developing a PortletMVC4Spring Portlet PortletMVC4Spring compliments the Spring Web framework and MVC design pattern by providing annotations that map portlet requests to Controller classes and...

Customizing Localization

Official Documentation

Customizing Localization Liferay ships with 55 translations, making it ideal for deployments all over the world. Sometimes, however, you must modify a translation or provide a new one. Here you can...

PortletMVC4Spring Configuration Files

Official Documentation

PortletMVC4Spring Configuration Files A PortletMVC4Spring application has these descriptors, Spring contexts, and properties files in its WEB-INF folder: web.xml → Web application descriptor ...

Customizing JSPs with Dynamic Includes

Customizing JSPs with Dynamic Includes The liferay-util:dynamic-include tag is a placeholder into which you can inject content---JavaScript code, HTML, and more. The example project demonstrates...

PortletMVC4Spring Annotations

Official Documentation

PortletMVC4Spring Annotations PortletMVC4Spring provides several annotations for mapping requests to controller classes and controller methods. @RenderMapping Annotation Examples...

Migrating to PortletMVC4Spring and Jakarta

Official Documentation

Migrating to PortletMVC4Spring and Jakarta There are two possible migrations: You've already used PortletMVC4Spring, and you want to migrate your application to Jakarta. You want to migrate a...

Extending Liferay

Official Documentation

Extending Liferay Liferay DXP/Portal is highly customizable. Its modular architecture contains components you can extend and override dynamically using APIs.

Creating a Model Listener

Creating a Model Listener Model listeners listen for persistence method calls that signal changes to a specified model (such as update or add methods). Most of the methods model listeners use are...

Overriding Global Language Translations with Language Properties

Overriding Global Language Translations with Language Properties Liferay DXP/Portal implements headings, labels, and messages for many locales using language translations. You can override these...

Adding a Language

Official Documentation

Adding a Language Liferay ships with over 50 languages out-of-the-box. Translation is complete for many of these languages, and some are still in the translation process. Each language has its own...

Generating Translations Automatically

Official Documentation

Generating Translations Automatically Liferay DXP supports 50 languages out-of-the-box. Each locale has its own language properties file containing keys for its language. When you create an...

Using Servlet Filters

Using Servlet Filters Servlet filters can both pre-process requests as they arrive and post-process responses before they go to the client browser. You can apply functionality to requests and...

Waiting for Life Cycle Events

Waiting for Life Cycle Events Liferay registers life cycle events like portal and portlet initialization into the OSGi service registry. Your OSGi classes can listen for these service registrations...

Architecture

Official Documentation

Architecture The Liferay DXP/Portal architecture has three parts: Core: Bootstraps DXP and its frameworks. The Core provides a runtime environment for managing services, UI components, and...

Overriding Module Language Translations

Overriding Module Language Translations For Liferay DXP 7.4 U4/Portal 7.4 GA8+, the Language Override tool is the recommended approach. Overriding language translations in specific applications...

APIs as OSGi Services

Official Documentation

APIs as OSGi Services After you've learned what a module is and how to deploy one, you can use modules to define APIs and implement them. Liferay APIs are OSGi services, defined by Java interfaces...

Using Portlet Filters

Using Portlet Filters Portlet filters intercept requests and responses at the start of each portlet request processing phase so you can add functionality there. This makes them useful for auditing...

Overriding JSPs

Overriding JSPs You can override JSPs completely using OSGi fragments. This approach is powerful but can make things unstable when the host module is upgraded. By overriding an entire JSP, you...

Search Results