Examples with Importer io.bit3.jsass.importer.Importer used on opensource projects

Example 1 with Importer

use of io.bit3.jsass.importer.Importer in project mycore by MyCoRe-Org.

the class MCRSassCompilerManager method compile.

/**
 * Just compiles a file and fills all maps.
 *
 * @param name the name of the file (with .min.css or .css ending)
 * @return the compiled css
 * @throws CompilationException
 */
private String compile(String name, List<Importer> importer) throws CompilationException, IOException {
    Options options = new Options();
    Collection<Importer> importerList = options.getImporters();
    importerList.addAll(importer);
    String realFileName = name.replace(".min.css", ".scss").replace(".css", ".scss");
    Optional<Import> importedStartStylesheet = importer.stream().map(i -> i.apply(realFileName, null)).filter(Objects::nonNull).map(i -> i.stream().findFirst()).filter(Optional::isPresent).map(Optional::get).findFirst();
    if (!importedStartStylesheet.isPresent()) {
        return null;
    }
    Import firstImport = importedStartStylesheet.get();
    StringContext context = new StringContext(firstImport.getContents(), firstImport.getAbsoluteUri(), firstImport.getAbsoluteUri(), options);
    Compiler compiler = new Compiler();
    Output output = compiler.compile(context);
    String css = output.getCss();
    boolean compress = name.endsWith(".min.css");
    if (compress) {
        try {
            CssCompressor cssCompressor = new CssCompressor(new StringReader(css));
            int lineBreaks = MCR_CONFIGURATION.getInt(LINE_BREAK_CONFIG_KEY, DEFAULT_LINE_BREAK_CONFIG_VALUE);
            StringWriter out = new StringWriter(css.length());
            cssCompressor.compress(out, lineBreaks);
            css = out.toString();
        } catch (IOException e) {
            throw new MCRException("Read from StringReader produces IOException! (this should not happen)", e);
        }
    }
    this.fileCompiledContentMap.put(name, css);
    this.fileLastCompileDateMap.put(name, new Date());
    try {
        this.fileMD5Map.put(name, MCRUtils.asMD5String(1, null, css));
    } catch (NoSuchAlgorithmException e) {
        throw new MCRException("Error while generating md5 of result css!", e);
    }
    return css;
}

Example 2 with Importer

use of io.bit3.jsass.importer.Importer in project mycore by MyCoRe-Org.

the class MCRSassResource method getCSS.

@GET
@Path("{fileName:.+}")
@Produces("text/css")
public Response getCSS(@PathParam("fileName") String name, @Context Request request) {
    try {
        MCRServletContextResourceImporter importer = new MCRServletContextResourceImporter(context);
        Optional<String> cssFile = MCRSassCompilerManager.getInstance().getCSSFile(name, Stream.of(importer).collect(Collectors.toList()));
        if (cssFile.isPresent()) {
            CacheControl cc = new CacheControl();
            cc.setMaxAge(SECONDS_OF_ONE_DAY);
            String etagString = MCRSassCompilerManager.getInstance().getLastMD5(name).get();
            EntityTag etag = new EntityTag(etagString);
            Response.ResponseBuilder builder = request.evaluatePreconditions(etag);
            if (builder != null) {
                return builder.cacheControl(cc).tag(etag).build();
            }
            return Response.ok().status(Response.Status.OK).cacheControl(cc).tag(etag).entity(cssFile.get()).build();
        } else {
            return Response.status(Response.Status.NOT_FOUND).build();
        }
    } catch (IOException | CompilationException e) {
        StreamingOutput so = (OutputStream os) -> e.printStackTrace(new PrintStream(os, true, "UTF-8"));
        return Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity(so).build();
    }
}