Example usage for com.google.gwt.resources.converter Css2Gss Css2Gss

Introduction

In this page you can find the example usage for com.google.gwt.resources.converter Css2Gss Css2Gss.

Prototype

public Css2Gss(URL url, TreeLogger logger, boolean lenientConversion,
            Predicate<String> simpleBooleanConditionPredicate) 

Source Link

Usage

From source file:com.github.jdramaix.server.servlet.ConverterServlet.java

License:Apache License

@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    StringWriter logWriter = new StringWriter();

    Map<String, List<BlobKey>> files = blobstoreService.getUploads(req);
    List<BlobKey> blobKeys = files.get(FILE_FIELD);

    if (blobKeys == null || blobKeys.size() != 1) {
        throw new IllegalStateException("Unexpected file");
    }//w w  w. j a va2s  .  co  m

    BlobKey fileKey = blobKeys.get(0);

    // TODO improve that !!
    String url = req.getRequestURL().append("?").append(FileServlet.BLOB_KEY).append("=")
            .append(fileKey.getKeyString()).toString().replace("/convert", "/file");

    URL urlFile = new URL(url);

    Css2Gss converter = new Css2Gss(urlFile, new PrintWriterTreeLogger(new PrintWriter(logWriter)), false,
            Predicates.<String>alwaysFalse());

    String result;

    try {
        result = converter.toGss();
    } catch (UnableToCompleteException e) {
        result = "UnableToCompleteException: " + e.getMessage();
    } catch (Css2GssConversionException e) {
        result = "Css2GssConversionException: " + e.getMessage();
    } finally {
        deleteFile(fileKey);
    }

    writeResponse(result, logWriter.toString(), resp);
}

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