Using Liferay Util Buffer
The buffer tag is not a self-closing tag. The content placed between the opening and closing of this tag is saved to a buffer and its output is assigned to the Java variable declared with the tag’s var
attribute. The output is returned as a String, letting you post-process it. For example, you can use this to override a JSP’s existing contents.
The example below saves the link’s generated markup to a buffer and then uses the returned string as the argument for a liferay-ui:message
key:
Now you know how to use the <liferay-util:buffer>
tag to save content to a buffer.