Capability

Content Management System

Liferay’s Content Management System (CMS) offers user-friendly applications for creating, editing, publishing, and managing your site’s content.

Liferay empowers you to create and manage web content effectively. Easily create web content, upload documents, and leverage a suite of tools to administer and optimize your content. These tools include a user-friendly Content Dashboard UI, built-in Translation capabilities, and Content Performance insights.

Feature
Deployment Approach
Capability
Workflow Action YAML Configuration Reference
Workflow Action YAML Configuration Reference You can define a workflow action client extension with a client-extension.yaml file. Usage Details This client-extension.yaml file defines a workflow...
Published Date: May 9, 24, 6:54 PM
Liferay Internals
Liferay Internals Liferay is a complex open-source platform built on several key technologies and architectural principles. Liferay is written mostly in Java and built on the OSGi framework, which...
Published Date: Jul 18, 24, 8:39 PM
Architecture
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...
Published Date: May 9, 24, 6:55 PM
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...
Published Date: Nov 22, 24, 10:50 PM
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...
Published Date: May 9, 24, 6:55 PM
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,...
Published Date: Nov 22, 24, 10:50 PM
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...
Published Date: Nov 22, 24, 10:50 PM
UI Architecture
UI Architecture
Published Date: Nov 22, 24, 10:50 PM
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...
Published Date: May 9, 24, 6:55 PM
Building Liferay Source
Building Liferay Source This section aims to provide instructions for building Liferay Portal from source as quickly as possible. Using a nightly snapshot bundle no longer requires a full build...
Published Date: Nov 22, 24, 10:50 PM
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...
Published Date: Jul 18, 24, 8:39 PM
Contributing to Liferay Development
Contributing to Liferay Development The first thing to do in learning to fix bugs or contributing a feature is to become familiar with how to build the system. The Liferay Portal build system now...
Published Date: Nov 22, 24, 10:50 PM
Organizing the Source
Organizing the Source It is important to have a solid understanding of how the Liferay source is organized when working on fixing a bug or adding a new feature to the product. The Liferay Source...
Published Date: Nov 22, 24, 10:50 PM
Extending Liferay
Extending Liferay Liferay DXP/Portal is highly customizable. Its modular architecture contains components you can extend and override dynamically using APIs.
Published Date: Jul 18, 24, 8:39 PM
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...
Published Date: Jul 18, 24, 8:39 PM
Adding a Language
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...
Published Date: Jul 18, 24, 8:39 PM
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...
Published Date: Jul 18, 24, 8:39 PM
Overriding Module Language Translations in Earlier Versions
Overriding Module Language Translations in Earlier Versions For Liferay DXP 7.4 U4 (Update 4) and above or Liferay Portal 7.4 GA8 and above, the Language Override tool is the recommended approach....
Published Date: Jul 18, 24, 8:39 PM
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...
Published Date: Jul 18, 24, 8:39 PM
Customizing Localization
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...
Published Date: Jul 18, 24, 4:48 PM
Generating Translations Automatically
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...
Published Date: Jul 18, 24, 8:39 PM
Overriding OSGi Services
Overriding OSGi Services Liferay's OSGi container is a dynamic environment in which services can be added, removed, or overridden as needed. This framework registers Liferay components with the...
Published Date: Jul 18, 24, 8:39 PM
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...
Published Date: Jul 18, 24, 8:39 PM
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...
Published Date: Oct 18, 24, 4:07 PM
Fundamentals
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...
Published Date: Jan 18, 25, 2:48 AM
APIs as OSGi Services
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...
Published Date: Nov 22, 24, 10:50 PM
Finding Artifacts
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...
Published Date: Nov 22, 24, 10:50 PM
Configuring Dependencies
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...
Published Date: Nov 22, 24, 10:50 PM
Resolving Third Party Library Package Dependencies
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...
Published Date: Nov 22, 24, 10:50 PM
Specifying Dependencies
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....
Published Date: Nov 22, 24, 10:50 PM
Exporting Packages
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...
Published Date: Nov 22, 24, 10:50 PM
Importing Packages
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...
Published Date: Nov 22, 24, 10:50 PM
Module Projects
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...
Published Date: Nov 22, 24, 10:50 PM
Command Line Gogo Shell
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...
Published Date: Nov 22, 24, 10:50 PM
Semantic Versioning
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...
Published Date: Nov 22, 24, 10:50 PM
Using an OSGi Service
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: ...
Published Date: Nov 22, 24, 10:50 PM
Using the Gogo Shell
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...
Published Date: Nov 22, 24, 10:50 PM
7.2 Breaking Changes
7.2 Breaking Changes This document presents a chronological list of changes that break existing functionality, APIs, or contracts with third party Liferay developers or users. We try our best to...
Published Date: May 9, 24, 6:55 PM
Reference
Reference 7.4 Breaking Changes 7.3 Breaking Changes 7.2 Breaking Changes Exported Third-Party Packages Portal Developer Properties
Published Date: Nov 22, 24, 10:50 PM
Gogo Shell Commands
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...
Published Date: Nov 22, 24, 10:50 PM

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