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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 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...
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 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...
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...
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...
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 ...
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...
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...
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 ...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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....
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...
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...
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...
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...
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...
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...
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...
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 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 LibreOffice / OpenOffice Integration
Official Documentation
Enabling LibreOffice / OpenOffice Integration LibreOffice and OpenOffice are open source productivity suites that you can integrate with Liferay. By default Liferay includes PDFBox, which generates...
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...
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...
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...
Enabling Document Creation and Editing with Google Drive
Official Documentation
Enabling Document Creation and Editing with Google Drive Liferay DXP provides integration with Google Drive so you can create and edit Google Docs, Sheets, and Slides via the Documents and Media...
Enabling Links to Google Drive Documents
Official Documentation
Enabling Links to Google Drive Documents Liferay supports Google Drive in Documents and Media. When enabled, you can create shortcuts to your Google Drive files that enable you to view and manage...
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...
Documents and Media UI Reference
Official Documentation
Documents and Media UI Reference The Documents and Media application is used to store, view, and manage files for your Liferay DXP instance. It's available in all sites and can be enabled for asset...
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 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...
Publishing Documents
Official Documentation
Publishing Documents Liferay makes it easy to publish and showcase documents and other types of media files. As you begin uploading media files, you probably want to start sharing them on your...
Documents and Media
Official Documentation
Documents and Media The Documents and Media application stores and manages files in your Liferay instance. This includes files uploaded directly to Documents and Media, as well as those uploaded in...
Permissions and Documents
Official Documentation
Permissions and Documents With Liferay's permissions framework, you can control which users can create, view, download, and manage Documents and Media assets. You can give permissions to an...
Using Adaptive Media
Official Documentation
Using Adaptive Media Liferay 7.4+ Liferay Adaptive Media processes images stored in the document library to produce copies at different resolutions. Once generated, you can use the adapted images...
Adaptive Media Configuration Reference
Official Documentation
Adaptive Media Configuration Reference Liferay 7.3 U28+/GA28+ and 7.4 U78+/GA78+ With Adaptive Media, you can configure supported media types, determine the resolutions used for previews and...
Sharing Documents with Other Users
Official Documentation
Sharing Documents with Other Users Using DXP's Documents and Media app, users can share files directly with each other. You can disable sharing. For instructions on this, see Enabling and...
Adding Image Resolutions
Official Documentation
Adding Image Resolutions By default, Adaptive Media includes two image resolutions: preview and thumbnail. You can define additional image resolutions to help optimize site performance for common...
Migrating Documents and Media Thumbnails to Adaptive Media
Official Documentation
Migrating Documents and Media Thumbnails to Adaptive Media DXP automatically generates image thumbnails in Documents and Media using Adaptive Media, which is included by default starting with DXP...
Using Workflow with Documents and Media
Official Documentation
Using Workflow with Documents and Media Documents and Media is fully integrated with Liferay's workflow engine. This means you can define custom review and approval processes for your files. In...
Managing Image Resolutions
Official Documentation
Managing Image Resolutions You can manage adapted image resolutions via the Adaptive Media application. This includes manually generating adapted images, disabling/enabling resolutions, as well as...