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UI Architecture
Published Date: May 9, 2024 6:55 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: May 9, 2024 6:55 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: May 9, 2024 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: May 9, 2024 6:55 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: May 9, 2024 6:55 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: May 9, 2024 6:55 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: May 9, 2024 6:55 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: May 9, 2024 6:55 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: May 9, 2024 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: May 9, 2024 6:55 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: May 9, 2024 6:55 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: May 9, 2024 6:55 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: May 9, 2024 6:55 PM
Building Forms with Conditional Fields
Building Forms with Conditional Fields Forms can become dynamic forms where the answer to one question may allow the respondent to skip the next three questions, or require the respondent to answer...
Published Date: May 9, 2024 6:55 PM
Customizing Form Layouts
Customizing Form Layouts By default, new elements on your form are added to a new row and occupy the entire width of the form. Form with all elements occupying entire width of form. Sometimes it...
Published Date: May 9, 2024 6:55 PM
Customizing Auto-Save Behavior
Customizing Auto-Save Behavior The Forms application automatically saves the form creation progress as you create a form. By default, a form's draft is auto-saved every minute. To change the...
Published Date: May 9, 2024 6:55 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, 2024 6:55 PM
7.3 Breaking Changes
7.3 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, 2024 6:55 PM
7.4 Breaking Changes
7.4 Breaking Changes Breaking changes break or significantly alter existing functionality or code structure. Here are all of the breaking changes for Liferay 7.4, starting with the first quarterly...
Published Date: May 9, 2024 6:55 PM
Exported Third Party Packages
Exported Third Party Packages Liferay provides over one-hundred third party Java packages at run time. The com.liferay.portal.bootstrap module exports the packages by specifying individual packages...
Published Date: May 9, 2024 6:55 PM

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