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Deployment Approach
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: Apr 26, 2024 8:57 PM
Contributing to Liferay Development
Contributing to Liferay Development Fixing a Bug or Contributing a New Feature Building Liferay Source Organizing the Source
Published Date: Apr 26, 2024 8:57 PM
UI Architecture
UI Architecture :file: ../../landingpage_template.html :file: ui-architecture/landing.html
Published Date: Apr 26, 2024 8:57 PM
Overriding Global Language Translations
Overriding Global Language Translations Liferay DXP/Portal implements headings, labels, and messages for the default locale and many other locales using language translations. You can override...
Published Date: Apr 26, 2024 8:57 PM
Auditing Portlet Activity with Portlet Filters
Auditing Portlet Activity with 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...
Published Date: Apr 26, 2024 8:57 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: Apr 26, 2024 8:57 PM
Fixing a Bug or Contributing a New Feature
Fixing a Bug or Contributing a New Feature 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...
Published Date: Apr 26, 2024 8:57 PM
Creating Service Wrappers
Creating Service Wrappers Coming soon!
Published Date: Apr 26, 2024 8:57 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: Apr 26, 2024 8:57 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: Apr 26, 2024 8:57 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: Apr 26, 2024 8:57 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: Apr 26, 2024 8:57 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: Apr 26, 2024 8:57 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: Apr 26, 2024 8:58 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: Apr 26, 2024 8:57 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: Apr 26, 2024 8:57 PM
Command Line Gogo Shell
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...
Published Date: Apr 26, 2024 8:57 PM
Reference
Reference 7.4 Breaking Changes 7.3 Breaking Changes 7.2 Breaking Changes Exported Third-Party Packages Portal Developer Properties
Published Date: Apr 26, 2024 8:58 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: Apr 26, 2024 8:58 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: Apr 26, 2024 8:58 PM
Creating Forms
Creating Forms You can create multi-field forms with the Forms application. Only authenticated users with the requisite Process Automation Permissions can create forms. At minimum, they should have...
Published Date: Apr 26, 2024 8:58 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: Apr 26, 2024 8:58 PM
Process Automation
Process Automation :file: ./landingpage_template.html :file: process-automation/landing.html
Published Date: Apr 26, 2024 8:58 PM
Architecture
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...
Published Date: Apr 26, 2024 8:57 PM
Node Version Information
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...
Published Date: Apr 26, 2024 8:57 PM
Using Variables
Using Variables Though not a Poshi layer, variables are a large part of Poshi tests. Variables, like in other programming languages, are used to store data which can be referenced and reused in...
Published Date: Apr 26, 2024 8:57 PM
Poshi Resources
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...
Published Date: Apr 26, 2024 8:57 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: Apr 26, 2024 8:57 PM
Using the Bootstrap 3 Compatibility Layer in Liferay 7.4
Using the Bootstrap 3 Compatibility Layer in Liferay 7.4 As of Liferay DXP 7.4 GA1, the Bootstrap 3 compatibility layer is removed from the built-in packages in Liferay frontend applications. If...
Published Date: Apr 26, 2024 8:57 PM
Testcases
Testcases A testcase file in Poshi is a collection of test scenarios grouped in blocks of code called test blocks. The three main test blocks: setUp, test, and tearDown, are made up of multiple...
Published Date: Apr 26, 2024 8:57 PM
Liferay Internals
Liferay Internals :file: landingpage_template.html :file: liferay-internals/landing.html
Published Date: Apr 26, 2024 8:57 PM
Creating a Model Listener
Creating a Model Listener Model listeners listen for persistence method calls that signal changes to a specified model (such as update or add methods). Most of the methods model listeners use are...
Published Date: Apr 26, 2024 8:57 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: Apr 26, 2024 8:57 PM
Extending Liferay
Extending Liferay Liferay DXP/Portal is highly customizable. Its modular architecture contains components you can extend and override dynamically using APIs.
Published Date: Apr 26, 2024 8:57 PM
Customizing JSPs
Customizing JSPs Customizing JSPs with Dynamic Includes
Published Date: Apr 26, 2024 8:57 PM
Overriding Module Language Translations in Earlier Versions
Overriding Module Language Translations in Earlier Versions For Liferay DXP 7.4 U4 (Update 4) and above or Liferay Portal 7.4 GA8 and above, the [Language Override...
Published Date: Apr 26, 2024 8:57 PM
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...
Published Date: Apr 26, 2024 8:57 PM
Customizing JSPs with Dynamic Includes
Customizing JSPs with Dynamic Includes The liferay-util:dynamic-include tag is a placeholder into which you can inject content---JavaScript code, HTML, and more. The example project demonstrates...
Published Date: Apr 26, 2024 8:57 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: Apr 26, 2024 8:57 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: Apr 26, 2024 8:57 PM

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