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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...
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...
Using React
Official Documentation
Using React Build your own solutions using Liferay and React.
Remote Applications with Headless APIs
Official Documentation
Remote Applications with Headless APIs Available 7.4+ After creating and publishing objects, headless REST APIs are automatically generated. Here you'll see how to integrate these endpoints to...
Using Spring
Official Documentation
Using Spring PortletMVC4Spring is a way to develop portlets using the Spring Framework and the Model View Controller (MVC) pattern. While the Spring Framework supports developing servlet-based web...
PortletMVC4Spring Project Anatomy
Official Documentation
PortletMVC4Spring Project Anatomy PortletMVC4Spring portlets are packaged in WARs. Liferay provides Maven archetypes for creating projects configured to use JSP/JSPX and Thymeleaf templates. Their...
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.
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 ...
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...
PortletMVC4Spring Annotations
Official Documentation
PortletMVC4Spring Annotations PortletMVC4Spring provides several annotations for mapping requests to controller classes and controller methods. @RenderMapping Annotation Examples The following...
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...
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...
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...
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...
Fundamentals
Official Documentation
Fundamentals Liferay development projects consist primarily of simple .jar files. These contain a few extra configuration files that make them OSGi modules, but they're easily understandable by...
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...
Configuring Dependencies
Official Documentation
Configuring Dependencies Liferay provides a container where modules can publish and consume functionality through their Java packages. Modules can leverage packages from other modules or...
Finding Artifacts
Official Documentation
Finding Artifacts To use external artifacts in your project, you must configure their dependencies in your build.gradle Gradle script. Before specifying an artifact as a dependency, you must first...
Resolving Third Party Library Package Dependencies
Official Documentation
Resolving Third Party Library Package Dependencies An application can rely on multiple OSGi modules. Resolving their Java package dependencies can be challenging. In a perfect world, every package...
Specifying Dependencies
Official Documentation
Specifying Dependencies You must satisfy all dependencies to compile and deploy a module successfully. After you find the dependency artifacts, add them as dependencies in your Gradle build file....
Deploying WARs (WAB Generator)
Official Documentation
Deploying WARs (WAB Generator) You can create applications as Java EE-style Web Application ARchive (WAR) artifacts or as Java ARchive (JAR) OSGi bundle artifacts. Bean Portlets, PortletMVC4Spring...
Module Projects
Official Documentation
Module Projects Liferay applications and customizations are OSGi modules: .jar files containing Java code and some extra configuration for publishing and consuming APIs. A module project comprises...
Semantic Versioning
Official Documentation
Semantic Versioning Semantic Versioning is a three tiered versioning system for incrementing version numbers based on the degree of API change made in a releasable software component. It's a...
Creating Video Shortcut Providers
Official Documentation
Creating Video Shortcut Providers Liferay DXP 7.4+ By default, Liferay's external video shortcuts support YouTube, Vimeo, Facebook, and Twitch. However, you can extend this feature to support...
Configuring Caching for Documents and Media
Official Documentation
Configuring Caching for Documents and Media Liferay 7.3 U23+, Liferay 7.4 U21+, GA21+ By default, Documents and Media files are not cached by browsers or servers. This is because file visibility...
Enabling Document Creation and Editing with Microsoft Office 365
Official Documentation
Enabling Document Creation and Editing with Microsoft Office 365 Liferay DXP integrates with Microsoft Office 365™ so you can create and edit documents, spreadsheets, and presentations stored in...
Using an OSGi Service
Official Documentation
Using an OSGi Service Liferay APIs are readily available as OSGi services. You can access a service by creating a field of that service type and annotating the field with @Reference, like this: ...
Using the Gogo Shell
Official Documentation
Using the Gogo Shell The Gogo shell provides a way to interact with the module framework. Among other things, you can Dynamically install/uninstall bundles (modules) Examine package...
Digital Asset Management
Official Documentation
Digital Asset Management Use Liferay’s Digital Asset Management (DAM) features to store, organize, and reuse documents, images, and other media across your site. The Documents and Media library...
DevOps
Official Documentation
DevOps :::: 2 :gutter: 3 3 3 3 ::: Local Integrations Configuring Documents and Media Previews Enabling Antivirus Scanning for Uploaded Files Configuring Cache Control for Documents and Media...
Exporting Packages
Official Documentation
Exporting Packages In OSGi, packages are private by default. You must explicitly exporting a package so other modules can import and use them. Here's how to export packages: Open your bnd.bnd...
Exported Third Party Packages
Official Documentation
Exported Third Party Packages Liferay provides over one-hundred third party Java packages at run time. The com.liferay.portal.bootstrap module exports the packages by specifying individual packages...
Command Line Gogo Shell
Official Documentation
Command Line Gogo Shell If you're in a development environment, you can interact with the module framework locally from the command line. Gogo shell should only be run from the command line in...
Gogo Shell Commands
Official Documentation
Gogo Shell Commands The Gogo shell executes Felix Gogo basic commands and Liferay commands. The Gogo shell is accessible in the Control Panel (recommended) and from the command line. Here are some...
Adaptive Media Modules Reference
Official Documentation
Adaptive Media Modules Reference Adaptive Media's Modules Some modules in the Adaptive Media app are mandatory and must be enabled for Adaptive Media to function, while others can be disabled. The...
Enabling FFmpeg for Audio and Video Previews
Official Documentation
Enabling FFmpeg for Audio and Video Previews Documents and Media provides integration with the FFmpeg multimedia framework for generating audio and video file previews. To use this integration, you...
Importing Packages
Official Documentation
Importing Packages You often find yourself in a position of needing functionality provided by another module. To access this functionality, you must import packages from other modules into your...
JARs Excluded from WABs
Official Documentation
JARs Excluded from WABs [Liferay-generated web application bundles (WABs) are stripped of third party JARs that contain packages that Liferay exports already. Deploying the same third party...
Developer Guide
Official Documentation
Developer Guide This guide provides comprehensive information and references to help you effectively use the Document API, understand adaptive media modules, and create video shortcut providers.
Configuring Documents and Media Previews
Official Documentation
Configuring Documents and Media Previews Liferay 7.4 U84+/GA84+ By default, Liferay uses PDFBox to generate previews for files added to the document library. This is because PDFBox is the only...