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Configuration Framework Setting and Accessing Configurations Categorizing a Configuration Scoping Configurations Portlet Level Configuration Configuration Form Renderer DDM Form Annotations ...

Poshi Resources

Official Documentation

Poshi Resources To give Poshi test writers easy access to commonly used functions or other files, Poshi resources were created to store existing Poshi files as dependencies that can be loaded apart...

Configuration

Official Documentation

Configuration In order to give test writers easy access to commonly used functions, paths, or macros, Poshi resources were created to store existing Poshi files as dependencies. These resources can...

Reference

Official Documentation

Reference Node Version Information

Node Version Information

Official Documentation

Node Version Information Liferay DXP uses Node (and NPM) for many different frontend components. Specifically, the Liferay Theme Generator and Liferay's JavaScript application tools require the use...

Traditional Java-Based Development

Official Documentation

Traditional Java-Based Development 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...

Field Options Provider

Official Documentation

Field Options Provider You can populate a drop-down list manually in the @Meta.AD annotation of the configuration interface. But you can also populate the option labels and values automatically...

Enabling Assets

Official Documentation

Enabling Assets Many of Liferay's applications (e.g. Blogs, Documents and Media, Message Boards, etc.) are asset-enabled out of the box. You can publish assets with the Asset Publisher widget or...

Cache

Official Documentation

Cache

Data Scopes

Official Documentation

Data Scopes

Expando

Official Documentation

Expando Accessing Custom Fields with Expando

Accessing Custom Fields With Expandos

Official Documentation

Accessing Custom Fields With Expandos When you need additional fields in your application, you can always add them in your service model definition and re-run Service Builder. This adds new columns...

Implementing an Item Selector

Official Documentation

Implementing an Item Selector Item selectors are pop-up dialogs for selecting assets, such as documents, videos, or users. By configuring the item selector's criteria and defining its usage, you...

Business Logic with Service Builder

Official Documentation

Business Logic with Service Builder Once you've generated model, persistence, and service code with Service Builder, you can begin adding business logic. Entities generated by Service Builder...

Configuring service.properties

Official Documentation

Configuring service.properties Service Builder generates a service.properties file in your *-service module's src/main/resources folder. Liferay uses this file's properties to alter your service's...

Connecting Service Builder to an External Database

Official Documentation

Connecting Service Builder to an External Database Service builder creates the necessary tables for the service in the lportal database with all other data used by Liferay. If you want to store the...

Defining Entities

Official Documentation

Defining Entities Entities are the heart and soul of a service. They represent the map between the model objects in Java and your database fields and tables. Service Builder automatically maps your...

Adding Model Hints

Official Documentation

Adding Model Hints Once you've used Service Builder to define model entities, you may want to refine how users enter that data. Model hints specify entity data restrictions and other formatting....

Configuring Global Service Options

Official Documentation

Configuring Global Service Options A service's global options apply to all its entities. Here are the options: Dependency Injector Package path Multiversion concurrency control Namespace...

Defining Entity Columns

Official Documentation

Defining Entity Columns An entity's columns represent its attributes. These attributes map table fields to Java object fields. Here you'll examine the sample project from Understanding and...

Defining Entity Finder Methods

Official Documentation

Defining Entity Finder Methods Finder methods retrieve entity objects from the database based on specified parameters. For each finder defined, Service Builder generates several methods to fetch,...

Defining Entity Relationships

Official Documentation

Defining Entity Relationships Relationships between database entities or Java objects are necessary for most applications. Take Liferay's Message Boards application as an example. Each Message...

Service Builder Basics

Official Documentation

Service Builder Basics Using Service Builder helps you learn it. You'll use it to learn the basics: Generating Model, Persistence, and Service Code: Define a basic model, generate code from it,...

Modifying Database Fields in Development

Official Documentation

Modifying Database Fields in Development As you develop an application, you might need to add fields to your database. This is a normal process of iterative development: you get an idea for a new...

Sorting Entity Instances

Official Documentation

Sorting Entity Instances Often, you want to retrieve multiple instances of a given entity and list them in a particular order. The service.xml file lets you specify the default order of your...

Understanding and Extending Generated Classes

Official Documentation

Understanding and Extending Generated Classes Service Builder generates both tables for your entity and model, persistence, and service classes for it. Here you'll examine generated classes for an...

Multithreading Process

Official Documentation

Multithreading Process Liferay DXP 7.4 U10+ or Liferay Portal 7.4 GA14+ Your Upgrade Processes may involve making complex changes to large data sets. If performance is critical, use the...

Generating Model, Persistence, and Service Code

Official Documentation

Generating Model, Persistence, and Service Code Service Builder makes it easy to define models and generate model, persistence, and service code for them. You'll experience this by defining a model...

Invoking a Service Locally

Official Documentation

Invoking a Service Locally Service Builder services that are deployed to DXP/Portal can be invoked from other classes in the same JVM. These services are local to the classes. Service Builder...

Upgrading Data Schemas

Official Documentation

Upgrading Data Schemas When you upgrade Liferay, you might run into incompatibility issues with your custom modules' data schemas. There are three ways you can resolve these issues: You can run...

Using Upgrade Processes

Official Documentation

Using Upgrade Processes Liferay DXP 7.4 U10+/Portal 7.4 GA14+ An upgrade of your application may require making changes to your database tables. Liferay's upgrade framework makes it easy to make...

Using Upgrade Processes in Earlier Versions

Official Documentation

Using Upgrade Processes in Earlier Versions Liferay DXP 7.4 U10/Portal 7.4 GA14 and Below Follow these steps to create an upgrade process for your module: Open your module's bnd.bnd file, and...

Developing a Web Application

Official Documentation

Developing a Web Application

CDI Portlet Predefined Beans

Official Documentation

CDI Portlet Predefined Beans Liferay DXP provides injectable portlet artifacts for CDI called Portlet Predefined Beans, as specified by JSR 362. There are two types of predefined beans: Portlet...

Reference

Official Documentation

Reference

Using Bean Portlet

Official Documentation

Using Bean Portlet Portlet 3.0, the JSR 362 standard, features a style of portlet development called Bean Portlets that use Contexts and Dependency Injection (CDI). Bean Portlets fully leverage all...

Using JSF

Official Documentation

Using JSF Liferay Faces is an umbrella project that provides support for the JavaServer[™] Faces (JSF) standard in Liferay DXP/Portal. Here are the Liferay Faces topics: Reference facilitates...

Reference

Official Documentation

Reference

Liferay Faces Alloy

Official Documentation

Liferay Faces Alloy Liferay Faces Alloy is distributed in a .jar file. You can add Liferay Faces Alloy as a dependency to your portlet projects, to use AlloyUI in a way that is consistent with JSF...

Liferay Faces Bridge

Official Documentation

Liferay Faces Bridge You can use Liferay Faces Bridge to deploy JSF web apps as portlets without writing portlet-specific code. It also includes features that support JSF 2.x inside a portlet...

Liferay Faces Portal

Official Documentation

Liferay Faces Portal Liferay Faces Portal is distributed in a .jar file. You can add Liferay Faces Portal as a dependency for your portlet projects to use its Liferay-specific utilities and UI...

Liferay Faces Version Scheme

Official Documentation

Liferay Faces Version Scheme Use this reference to identify which Liferay Faces artifacts to include in your portlet and to understand what each component of the version number means. Liferay...

Upgrading Faces to Jakarta

Official Documentation

Upgrading Faces to Jakarta Liferay DXP 2026.Q1+ Liferay Faces now uses the jakarta.* namespace to align with Jakarta EE 9 APIs. Migrating an existing Liferay Faces (JSF) portlet from the legacy...

Using MVC

Official Documentation

Using MVC If you're an experienced developer, this is not the first time you've heard about Model View Controller. If there are so many implementations of MVC frameworks in Java, why did Liferay...

Invoking Actions with MVC Portlet

Official Documentation

Invoking Actions with MVC Portlet A portlet's Action phase applies state changes. You can bind your portlet's action-handling methods to UI components using portlet action URLs. They are...

MVC Render Command

Official Documentation

MVC Render Command MVC Render Commands are classes that handle which page to render. They are invoked by MVCPortlet render URLs and requests. If your render logic is simple you can implement all of...

Portlet Preferences

Official Documentation

Portlet Preferences You can give administrators and users a way to customize a portlet with portlet preferences. Portlet preferences can be added to any MVC Portlet to give users a UI to access and...

Tag Libraries

Official Documentation

Tag Libraries You have access to a powerful set of taglibs for creating commonly used UI components in your apps, themes, and web content. The following taglibs are covered in this section: AUI:...

MVC Action Command

Official Documentation

MVC Action Command MVC Action Commands handle actions as separate classes. With Action Commands, you can organize action logic in MVCPortlets that have many actions. Action URLs in the portlet's...

MVC Resource Command

Official Documentation

MVC Resource Command MVC Resource Command classes retrieve resources: images, XML, or any other kind of resource from a DXP/Portal instance without triggering any actions or renders. Requests or...

Rendering Views with MVC Portlet

Official Documentation

Rendering Views with MVC Portlet If you want users to access your portlet's views, you must implement navigation to them. Portlet render URLs help you do this. Here you'll deploy an example...

Building Forms with AUI Tags

Official Documentation

Building Forms with AUI Tags The AUI tag library provides all the components you need to build forms for your applications. AUI tags provide many benefits to standard form elements, such as custom...

Alloy UI (AUI) Tag Library

Official Documentation

Alloy UI (AUI) Tag Library The AUI tag library provides tags that implement commonly used UI components. These tags make your markup consistent, responsive, and accessible. You can find a list of...

Combination Charts

Official Documentation

Combination Charts Combination charts have minor differences from other charts. In a combination chart, you must define the representation type of each data set: AREA, AREA_SPLINE, AREA_STEP, BAR,...

Geomap Chart

Official Documentation

Geomap Chart A Geomap Chart shows data based on geography, given a specified color range---a lighter color representing a lower rank and a darker a higher rank usually. The default configuration...

Chart Tag Library

Official Documentation

Chart Tag Library The Chart tag libraries were removed in Liferay DXP 2023.Q4. See the 7.4 breaking changes reference for details. This article remains for users on earlier versions. Lines,...

Bar Charts

Official Documentation

Bar Charts Bar charts contain multiple sets of data. A bar chart models the data in bars. Each data series (created with the addColumns() method) is defined with a new instance of the...

Donut Charts

Official Documentation

Donut Charts Donut charts are percentage-based. A donut chart is similar to a pie chart, but it has a hole in the center. Each data set must be defined as a new instance of the SingleValueColumn...

Gauge Charts

Official Documentation

Gauge Charts Gauge charts are percentage-based. A gauge chart shows where percentage-based data falls over a given range. Each data set must be defined as a new instance of the SingleValueColumn...

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