Capability

Development and Tooling

Liferay offers a comprehensive toolkit to extend or customize your digital experience. Build applications quickly with low-code/no-code features like Objects, or leverage developer tools like Liferay Workspace and Blade CLI for further customizations.

For users on PaaS or running Self-Hosted, Liferay also offers tools deploying customizations.

カテゴリ
カテゴリ
Configuration Form Renderer
Configuration Form Renderer When you create a configuration interface, a configuration UI is automatically generated. But in some cases you want customize the look and feel of the UI. For example,...
Field Options Provider
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...
Hiding the Configuration UI
Hiding the Configuration UI Liferay generates a configuration UI automatically after a configuration interface deploys. But you may have certain use cases where you want to hide the UI. For...
Scoping Configurations
Scoping Configurations In Liferay DXP, you can set an application's configuration to different levels of scope: System, Instance, Site, or Portlet. For example, if you create an application to have...
Dependency Injection
Dependency Injection
Setting and Accessing Configurations
Setting and Accessing Configurations You can use Liferay's configuration framework to add a settings UI for a MVC Portlet. See the Example Portlet Then, follow these steps: Download and unzip...
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...
Using Direct Synchronous Messaging in Previous Versions
Using Direct Synchronous Messaging in Previous Versions Liferay DXP 7.4 U48/Portal GA49 and Below Direct synchronous messaging is the easiest way to block processing until all listeners receive a...
Using Default Synchronous Messaging in Previous Versions
Using Default Synchronous Messaging in Previous Versions Liferay DXP 7.4 U48/Portal GA49 and Below In default synchronous messaging, the sender blocks while a Message Bus thread dispatches the...
Using Asynchronous Messaging
Using Asynchronous Messaging Message Bus's asynchronous option provides fire and forget behavior; send a message and continue processing without waiting for a response. An asynchronous message is...
Message Bus
Message Bus The Message Bus provides a loosely coupled way to exchange messages. A class sending a message invokes the Message Bus to send the message to a destination, while other classes...
Tuning Messaging Performance
Tuning Messaging Performance Liferay DXP 2023.Q3/Portal GA92 and Below Messaging performance is tuned at the destinations. Performance depends on the destination type, the amount of processing the...
Portlets
Portlets Liferay DXP started off as a portal server for Java-based web applications called portlets (see JSR 168, JSR-286, and JSR-362). Portlets process requests and generate responses like any...
Enabling Assets
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...
Servlets
Servlets
Asset Framework
Asset Framework The asset framework is behind many of Liferay's most powerful features. It provides tools for displaying and interacting with any type of content and data. For example, if you build...
Logs
Logs The OSGi Log Service Extender enables bundles to provide OSGi logging configuration using embedded properties files META-INF/osgi-logging.properties or META-INF/osgi-logging-ext.properties....
Listening for Registration Events
Listening for Registration Events Liferay DXP 2023.Q3/Portal GA92 and Below The messaging API supports listening for destination and message listener registration events. Here are some reasons to...
Listening for Messages
Listening for Messages You can listen for messages sent to any registered Message Bus destination, whether it's built-in to DXP/Portal, defined by third-parties, or created by you. Messages sent to...
Portlet IDs
Portlet IDs Below is a listing of the portlet IDs for the default portlets in Liferay DXP. You can use these IDs to embed portlets in your theme's sitemap. Collaboration PortletID...
Portlet 3.0 API Opt In
Portlet 3.0 API Opt In A portlet must specify version 3.0 to opt in to the Portlet 3.0 API. The 3.0 Portlet API version can be specified in the following ways. Standard Portlet @PortletApplication...
Data Frameworks
Data Frameworks
Portlet Descriptor to OSGi Service Property Map
Portlet Descriptor to OSGi Service Property Map Here's a map of portlet XML descriptor values to OSGi service properties for publishing OSGi Portlets. The properties centralize and simplify portlet...
Accessing Custom Fields With Expandos
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...
Advanced Queries
Advanced Queries Service Builder doesn't limit you to elements in service.xml. If simple finders aren't sufficient for getting data out of your application, there are three other ways to make the...
Cache
Cache
Data Scopes
Data Scopes
Expando
Expando Accessing Custom Fields with Expando
Implementing an Item Selector
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
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...
Service Builder
Service Builder An application without reliable business logic or persistence isn't much of an application at all. Unfortunately, writing your own persistence code often takes a great deal of time....
Defining Entity Relationships
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...
Modifying Database Fields in Development
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...
Configuring service.properties
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...
Configuring Global Service Options
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...
Connecting Service Builder to an External Database
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...
Adding Model Hints
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....
Defining Entity Columns
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
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 Entities
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...
Upgrading Data Schemas
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...
Sorting Entity Instances
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
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...
Service Builder Basics
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,...
Generating Model, Persistence, and Service Code
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...
Developing a Web Application
Developing a Web Application
Invoking a Service Locally
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...
Multithreading Process
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...
Using Upgrade Processes in Earlier Versions
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...
Using Upgrade Processes
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 JSF
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: Introduction to Liferay...
Liferay Faces Bridge
Liferay Faces Bridge Liferay Faces Bridge enables you to deploy JSF web apps as portlets without writing portlet-specific code. It also contains innovative features that make it possible to...
CDI Portlet Predefined Beans
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...
Liferay Faces Alloy
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...
Reference
Reference
Reference
Reference
Using Bean Portlet
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...
Invoking Actions with MVC Portlet
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 Resource Command
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...
MVC Action Command
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...