gulpfile.js

var icons = {
  name: 'icons',
  type: 'icomoon', 
  path: './../src/main/resources/com/arcbees/gwttheo/example/client/resources/theme/fonts/icons',
  header: '@def ICONS_TTF resourceUrl("iconsTtf");\n@def ICONS_EOT resourceUrl("iconsEot");\n@def ICONS_WOFF resourceUrl("iconsWoff");\n@def ICONS_SVG resourceUrl("iconsSvg");\n\n@font-face {\n  font-family: \'icons\';\n  src: ICONS_EOT;\n  src: ICONS_WOFF format(\'woff\'),\n  ICONS_TTF format(\'truetype\'),\n  ICONS_SVG format(\'svg\');\n}\n\n@external \'icon*\';'
};