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Deployment Approach
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, 24, 6:55 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: Jul 18, 24, 8:39 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: Jul 18, 24, 8:39 PM
Customizing Localization
Customizing Localization Liferay ships with 55 translations, making it ideal for deployments all over the world. Sometimes, however, you must modify a translation or provide a new one. Here you can...
Published Date: Jul 18, 24, 4:48 PM
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...
Published Date: Jul 18, 24, 8:39 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: Jul 18, 24, 8:39 PM
Adding a Language
Adding a Language Liferay currently supports about 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...
Published Date: Jul 18, 24, 8:39 PM
Generating Translations Automatically
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...
Published Date: Jul 18, 24, 8:39 PM
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...
Published Date: Jul 18, 24, 8:39 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 tool is the recommended approach....
Published Date: Jul 18, 24, 8:39 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: Jul 18, 24, 8:39 PM
Using Custom SQL Queries
Using Custom SQL Queries Service Builder creates finder methods that retrieve entities by their attributes (their column values). When you add a column as a parameter for the finder in your...
Published Date: Sep 6, 24, 3:37 PM
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...
Published Date: Jul 18, 24, 8:39 PM
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...
Published Date: Oct 18, 24, 4:07 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, 24, 6:55 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: May 9, 24, 6:55 PM
Exporting Packages
Exporting Packages In OSGi, packages are private by default. You must explicitly exporting a package so other modules can import and use them. Here's how to export packages: Open your bnd.bnd...
Published Date: May 9, 24, 6:55 PM
Importing Packages
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...
Published Date: May 9, 24, 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, 24, 6:55 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: May 9, 24, 6:55 PM

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