Operation to generate a file from a template

         <generateFile path="SetCharacterEncodingFilter.java" template="SetCharacterEncodingFilter.fm.java">
                <param name="teplateParam1" ref="varstack-variable">
                <param name="teplateParam2" value="some string or {param}">
        </generateFile>

                        <generateFile path="SetCharacterEncodingFilter.java">
                            <template>
some template...
                            </template>
                        </generateFile>