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Feature
Deployment Approach
PortletMVC4Spring Configuration Files
PortletMVC4Spring Configuration Files A PortletMVC4Spring application has these descriptors, Spring contexts, and properties files in its WEB-INF folder: web.xml → Web application descriptor ...
Published Date: Nov 22, 2024 10:50 PM
Client Extensions
Client Extensions Liferay Self-Hosted Liferay SaaS Liferay PaaS Liferay 7.4 When you want to extend Liferay, either by modifying its look and feel or by calling functions outside of Liferay, you...
Published Date: Nov 22, 2024 10:50 PM
Instance Settings YAML Configuration Reference
Instance Settings YAML Configuration Reference You can use an instance settings client extension to configure a wide variety of Liferay configurations. Each configuration is referenced by its PID...
Published Date: Nov 22, 2024 10:50 PM
Core Frameworks
Core Frameworks
Published Date: Nov 22, 2024 10:50 PM
Using Spring
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...
Published Date: Nov 22, 2024 10:50 PM
Reference
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...
Published Date: Nov 22, 2024 10:50 PM
PortletMVC4Spring Annotations
PortletMVC4Spring Annotations PortletMVC4Spring provides several annotations for mapping requests to controller classes and controller methods. @RenderMapping Annotation Examples The following...
Published Date: Nov 22, 2024 10:50 PM
PortletMVC4Spring Project Anatomy
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...
Published Date: Nov 22, 2024 10:50 PM
Using React
Using React Build your own solutions using Liferay and React.
Published Date: Nov 22, 2024 10:50 PM
Configuration as Code
Configuration as Code Liferay Self-Hosted Liferay SaaS Liferay PaaS Liferay 7.4 Liferay instance configurations are deployable with client extensions. For example, you can deploy OAuth2...
Published Date: Nov 22, 2024 10:50 PM
OAuth Headless Server YAML Configuration Reference
OAuth Headless Server YAML Configuration Reference You can define an OAuth headless server client extension with a client-extension.yaml file. Usage Details This client-extension.yaml file defines...
Published Date: Nov 22, 2024 10:50 PM
OAuth User Agent YAML Configuration Reference
OAuth User Agent YAML Configuration Reference You can define an OAuth user agent client extension with a client-extension.yaml file. Usage Details This client-extension.yaml file defines an OAuth...
Published Date: Nov 22, 2024 10:50 PM
Categorizing a Configuration
Categorizing a Configuration When you register a configuration interface, the UI for your application is generated in System Settings → Platform → Third Party. If you prefer a different section and...
Published Date: Nov 22, 2024 10:50 PM
Configuration Framework
Configuration Framework Setting and Accessing Configurations Categorizing a Configuration Scoping Configurations Portlet Level Configuration Configuration Form Renderer DDM Form Annotations ...
Published Date: Nov 22, 2024 10:50 PM
Completely Custom Configuration
Completely Custom Configuration A configuration UI is generated automatically when you create a configuration interface. But in some cases you want a completely custom UI for your configuration....
Published Date: Nov 22, 2024 10:50 PM
Configuration Model Listener Reference
Configuration Model Listener Reference Use model listeners in your own configurations to listen for events and execute code in response. Creating a model listener requires only three steps: ...
Published Date: Nov 22, 2024 10:50 PM
Portlet Level Configuration
Portlet Level Configuration With the configuration framework, you can set your application's configuration for different levels of scope. Where Instance and Site-scoped configurations use...
Published Date: Nov 22, 2024 10:50 PM
Job Scheduler UI Reference
Job Scheduler UI Reference Liferay Self-Hosted Liferay PaaS Job Scheduler Triggers View, create, and manage Job Scheduler Tasks. The Job Scheduler Triggers tab lists all tasks added to the...
Published Date: Nov 22, 2024 10:50 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, 2024 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, 2024 10:50 PM
UI Architecture
UI Architecture
Published Date: Nov 22, 2024 10:50 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, 2024 10:50 PM
Understanding the Job Scheduler Framework
Understanding the Job Scheduler Framework Liferay Self-Hosted Liferay PaaS Liferay Job Scheduler is a flexible framework built on top of Liferay's Scheduler Engine. You can use it to add, execute,...
Published Date: Nov 22, 2024 10:50 PM
Micro Frontends
Micro Frontends Micro frontends extend the concept of microservices to the frontend side of development. You can build a fully-featured and powerful browser application that uses a microservice...
Published Date: Nov 22, 2024 10:50 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, 2024 10:50 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, 2024 10:50 PM
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, 2024 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, 2024 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, 2024 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, 2024 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, 2024 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, 2024 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, 2024 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, 2024 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, 2024 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, 2024 10:50 PM
Portal Developer Properties
Portal Developer Properties There are Portal Properties that facilitate development. Liferay's portal-developer.properties file includes all of them. The portal-developer.properties file is enabled...
Published Date: Nov 22, 2024 10:50 PM
Types of Utility Pages
Types of Utility Pages Utility pages are content pages managed at the site level. Since the default system-level pages are not customizable, you can use site-level utility pages to provide a unique...
Published Date: Nov 22, 2024 10:52 PM
Fragment Specific Tags and Attributes Reference for Liferay 7.3 and Earlier Versions
Fragment Specific Tags and Attributes Reference for Liferay 7.3 and Earlier Versions Along with standard HTML, CSS, and JavaScript, you can use Liferay-specific tags and attributes to define...
Published Date: Nov 22, 2024 10:52 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, 2024 10:50 PM

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