Liferay’s asset framework is a system that allows you to add core Liferay features to your application. For example, if you’ve built an event management application that displays a list of upcoming events, you can use the asset framework to let users add tags, categories, or comments to make entries more self-descriptive.

Tags, categories, and comments are just a few of the features in Liferay’s asset framework. You’ll also find it easy to use: you’ll be infusing your application with these features in no time.

As background, the term asset refers to any type of content in the portal. This could be text, a file, a URL, an image, documents, blog entries, bookmarks, wiki pages, or anything you create in your applications.

The asset framework tutorials assume that you’ve used Liferay’s Service Builder to generate your persistence layer, that you’ve implemented permissions on the entities that you’re persisting, and that you’ve enabled them for search and indexing. You can learn more about Liferay’s Service Builder and how to use it in the Business Logic and Data Access tutorial section.

The tutorials that follow in this section explore the details of leveraging the asset framework’s various features. Here are some features that you’ll give your users as you implement them in your app:

  • Extensively render your assets.
  • Associate tags to custom content types. Users can create and assign new tags or use existing tags.
  • Associate categories to custom content types.
  • Manage tags from the Control Panel. Administrators can even merge tags.
  • Manage categories from the Control Panel. This includes the ability to create category hierarchies.
  • Relate assets to one another. <!–
  • Associate comments with assets.
  • Rate assets, using a five star rating system.
  • Assign social bookmarks to assets. Bookmark types include tweets, Facebook likes, and +1 (Google Plus).
  • Add custom fields to assets.
  • Flag an asset’s content as inappropriate.
  • Track the number of times an asset is viewed.
  • Integrate workflow with assets.
  • Publish asset content using the Asset Publisher portlet. The Asset Publisher lets you publish dynamic asset lists or manually selected asset lists. It can also show an asset summary view with a link to the full view. –>

At this point, you might be saying, “Liferay’s asset framework sounds great, but how do I leverage all of its awesome features?” Excellent question, and perfect timing!

Before diving head first into the tutorials, you must implement a way to let the framework know whenever any of your custom content entries is added, updated, or deleted. The next tutorial covers that. From that point onward, each tutorial shows you how to leverage a particular asset framework feature in your UI. It’s time to start your asset framework training!

Related Topics

What is Service Builder

Service Builder Persistence

Application Configuration

Adding, Updating, and Deleting Assets for Custom Entities

To use Liferay’s asset framework with an entity, you must inform the asset framework about each entity instance you create, modify, and delete. In this sense, it’s similar to informing Liferay’s...

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Implementing Asset Categorization and Tagging

In this tutorial, you’ll allow content authors the ability to specify tags and categories for their entities in the UI. Liferay provides a set of JSP tags for showing category and tag inputs in...

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Relating Assets

The ability to relate assets is one of the most powerful features of Liferay’s asset framework. By relating assets, you can connect individual pieces of content across your site or portal. This...

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Implementing Asset Priority

The Asset Publisher lets you order assets by priority. For this to work, however, users must be able to set the asset’s priority when creating or editing the asset. For example, when creating or...

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Rendering an Asset

There are several options you have for rendering an asset in Liferay Portal. Before setting up the rendering process for your asset, make sure it’s added to the asset framework by following the...

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