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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...
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...
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...
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...
Bundle Classloading Flow
Bundle Classloading Flow The OSGi container searches several places for imported classes. It's important to know where it looks and in what order. Liferay DXP's classloading flow for OSGi bundles...
Liferay Classloader Hierarchy
Liferay Classloader Hierarchy All Liferay DXP/Portal applications live in an OSGi container. DXP/Portal is a web application deployed on your application server. Its Module Framework bundles...
Module Life Cycle
Module Life Cycle In OSGi, all components, Java classes, resources, and descriptors are deployed via modules (OSGi bundles). The MANIFEST.MF file describes the module's physical characteristics,...
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...
OSGi and Modularity
OSGi and Modularity Modularity makes writing software, especially as a team, fun! Here are some benefits to modular development on Liferay: Liferay's runtime framework is lightweight, fast, and...
The Benefits of Modularity
The Benefits of Modularity Dictionary.com defines modularity as the use of individually distinct functional units, as in assembling an electronic or mechanical system. The distinct functional units...
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...
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...
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....
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...
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...
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...
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...
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...
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...
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: ...
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...
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...
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.
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...
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...
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...
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...
Enabling Document Creation and Editing with Microsoft Office 365
Official Documentation
Enabling Document Creation and Editing with Microsoft Office 365 Subscription Liferay DXP integrates with Microsoft Office 365™ so you can create and edit documents, spreadsheets, and...
Google Drive Integration
Official Documentation
Google Drive Integration Integrate Google Drive with Liferay DXP to create, edit, and manage Google Docs, Sheets, and Slides directly from Documents and Media. This integration provides two main...
SharePoint Integration
Official Documentation
SharePoint Integration Integrate SharePoint with Liferay DXP for managing SharePoint libraries within Documents and Media. Create and manage repositories that mount SharePoint libraries, and...
Setting Storage Quotas for Documents and Media
Official Documentation
Setting Storage Quotas for Documents and Media You can define storage quotas in Documents and Media by enabling the data.limit.dl.storage.max.size portal property. Once you define a value for this...
Creating SharePoint Repositories in Documents and Media
Official Documentation
Creating SharePoint Repositories in Documents and Media Once you've added a SharePoint OAuth2 configuration, you can use it to create repositories in Documents and Media that are mounted to...
Publishing and Sharing
Official Documentation
Publishing and Sharing
Accessing Documents with WebDAV
Official Documentation
Accessing Documents with WebDAV You can access the Document Library from your desktop file manager via WebDAV. WebDAV is a protocol based on HTTP for managing files stored on web servers. WebDAV is...
Documents and Media Permissions Reference
Official Documentation
Documents and Media Permissions Reference Liferay 7.4 U76+/GA76+ Manage access to Documents and Media assets using application and resource permissions. With role-based access control, you can...
Documents and Media
Official Documentation
Documents and Media The Documents and Media application is in maintenance mode as of Liferay DXP 2026.Q1. The Documents and Media application stores and manages files in your Liferay instance....
Generating Images Using AI
Official Documentation
Generating Images Using AI Liferay DXP 2024.Q2+/Portal GA120+ The Documents and Media application provides integration with OpenAI's ChatGPT engine using the AI Creator tool. With an OpenAI API...
Managing Document Access
Official Documentation
Managing Document Access Effectively managing document access in Liferay ensures that your organization’s data remains secure while being accessible to the right users. Control document access by...
Enabling and Configuring Sharing
Official Documentation
Enabling and Configuring Sharing The Sharing configuration allows users to share files with each other. You can enable file sharing at the Global, Virtual Instance, and Site scopes. Sharing is...
Managing Document Changes with Checkout
Official Documentation
Managing Document Changes with Checkout When you check out a document in the Document Library, only you can make changes to it until you check it back in. This prevents conflicting edits on the...

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