flex - How to compile multiple css files into individual swfs using pure Maven? -

I am currently using an applied task within an entrance execution.

  & lt; Plugin & gt; & Lt; ArtifactId & gt; Maven-antrun-plugin & lt; / ArtifactId> & Lt; Version & gt; 1.4 & lt; / Edition & gt; & Lt; Hanging & gt; & Lt; Execution & gt; & Lt; ID & gt; Compilation-default-theme-css & lt; / Id & gt; & Lt; Step & gt; Collection & lt; / Step & gt; & Lt; Configuration & gt; & Lt; Functions & gt; & Lt; Executable = Apply; "$ {Mxmlc.path}" dir = "$ {baseir} / cssdir /" & gt; & Lt; Srcfile / & gt; & Lt; Fileset dir = "$ {baseir} / cssdir /" include = "* .css" /> & Lt; / Apply & gt; & Lt; / Functions & gt; & Lt; / Configuration & gt; & Lt; Goals & gt; & Lt; Goal & gt; Run & lt; / Target & gt; & Lt; / Targets & gt; & Lt; / Execution & gt; & Lt; / Hanging & gt; & Lt; / Plugin & gt;  

How can I do this in pure Maven? Without the plugin?