Creating new velocity context for web fragments

As we have mentioned in the previous recipes, it is possible to add velocity variables while constructing a JIRA web fragment. JIRA supports a list of variables by default, which include user, req, baseurl, and so on. The full list and the details of these variables can be found at https://developer.atlassian.com/display/JIRADEV/Velocity+Contexts.

In this recipe, we will see how to add more variables to the velocity context with the use of the context-provider element.

How to do it...

The context-provider element adds to the velocity context available to the web section and web item modules. Only one context-provider can be added for an item. The following steps show how we can make use of a context provider:

1. Create the new ContextProviderclass.

   The class must implement com.atlassian.plugin.web.ContextProvider. To make things easy, it is enough to extend the AbstractJiraContextProvider class and override the following abstract method in it:

       ...