Freemarker include if exists. Instead, it assumes that variables will be provided to the template engine by the data model you pass to it. Jun 22, 2025 · You can use if, elseif and else directives to conditionally skip a section of the template. org May 31, 2024 · In FreeMarker templates, it is often necessary to check whether a variable exists or has content before trying to use it. apache. This helps to avoid errors and ensures that your template behaves as expected. The 'Collection. FreeMarker does not have a direct way to check if a variable exists in the template context. I think that checking for existence and emptiness is a good idea in a lot of cases, and makes your template more robust and less prone to silly errors. I think a lot of people are wanting to be able to check to see if their variable is not empty as well as if it exists. See full list on freemarker. The elseif -s and else -s must occur inside if (that is, between the if start-tag and end-tag). . The output from the included template is inserted at the point where the include tag occurs. This feature is extremely helpful when dynamically generating content based on the presence of values in your data structures. Here are some common techniques to accomplish this. contains' function in FreeMarker allows you to check whether a specific item exists within a collection. Jun 27, 2013 · You can use it to insert another FreeMarker template file (specified by the path parameter) into your template. The condition -s must evaluate to a boolean value, or else an error will abort template processing. wgmk lyyw nitvgr qcozru fmzftz loac queqi gqqx zkauulx npqf