Example usage for io.netty.buffer ByteBufOutputStream ByteBufOutputStream

Introduction

In this page you can find the example usage for io.netty.buffer ByteBufOutputStream ByteBufOutputStream.

Prototype

public ByteBufOutputStream(ByteBuf buffer)

Source Link

Document

Creates a new stream which writes data to the specified buffer .

Usage

From source file:ratpack.codahale.metrics.internal.MetricRegistryJsonMapper.java

License:Apache License

@Override
public ByteBuf apply(MetricRegistry metricRegistry) throws Exception {
    ByteBuf byteBuf = byteBufAllocator.ioBuffer();
    try {//from w ww.  j a v  a2 s  .co m
        OutputStream out = new ByteBufOutputStream(byteBuf);
        JsonGenerator json = factory.createGenerator(out);

        json.writeStartObject();
        json.writeNumberField("timestamp", clock.getTime());
        writeTimers(json, metricRegistry.getTimers());
        writeGauges(json, metricRegistry.getGauges());
        writeMeters(json, metricRegistry.getMeters());
        writeCounters(json, metricRegistry.getCounters());
        writeHistograms(json, metricRegistry.getHistograms());
        json.writeEndObject();

        json.flush();
        json.close();

        return byteBuf;
    } catch (Exception e) {
        byteBuf.release();
        throw e;
    }
}

From source file:ratpack.dropwizard.metrics.internal.MetricRegistryJsonMapper.java

License:Apache License

@Override
public ByteBuf apply(MetricRegistry metricRegistry) throws Exception {
    ByteBuf byteBuf = byteBufAllocator.ioBuffer();
    try {/*from w  w  w. j  a  v a 2 s .  c o  m*/
        OutputStream out = new ByteBufOutputStream(byteBuf);
        mapper.writeValue(out, metricRegistry);
        return byteBuf;
    } catch (Exception e) {
        byteBuf.release();
        throw e;
    }
}

From source file:ratpack.dropwizard.metrics.MetricsPrometheusHandler.java

License:Apache License

@Override
public void handle(Context ctx) throws Exception {
    final ByteBufAllocator byteBufAllocator = ctx.get(ByteBufAllocator.class);

    ByteBuf buf = byteBufAllocator.ioBuffer();
    try (Writer w = new OutputStreamWriter(new ByteBufOutputStream(buf))) {
        TextFormat.write004(w, ctx.get(CollectorRegistry.class).metricFamilySamples());

    } catch (IOException e) {
        buf.release();/*from  www  . j  av a 2s .  c o  m*/
        throw e;
    }
    ctx.getResponse().contentType(TextFormat.CONTENT_TYPE_004).status(200).send(buf);
}

From source file:ratpack.error.internal.ErrorPageRenderer.java

License:Apache License

protected void render(Context context, String pageTitle, Consumer<? super BodyWriter> body) {
    ByteBuf buffer = context.get(ByteBufAllocator.class).buffer();
    OutputStream out = new ByteBufOutputStream(buffer);
    PrintWriter printWriter = new PrintWriter(new OutputStreamWriter(out, CharsetUtil.UTF_8));
    BodyWriter writer = new BodyWriter(printWriter);

    writer.println("<!DOCTYPE html>").println("<html>").println("<head>").print("  <title>").escape(pageTitle)
            .println("</title>").println("    <style type=\"text/css\">").println(style).println("    </style>")
            .println("</head>").println("<body>").println("  <header>").println("    <div class=\"logo\">")
            .println("      <div class=\"martini\">").println("        <h1>Ratpack</h1>")
            .println("      </div>").println("      <p>Development error page</p>").println("    </div>")
            .println("  </header>");

    body.accept(writer);/*from   w  w w. j  a va2  s. c om*/

    writer.println("<footer>").println("  <a href=\"http://www.ratpack.io\">Ratpack.io</a>")
            .println("</footer>").println("</body>").println("</html>");

    printWriter.close();
    context.getResponse().send(HttpHeaderConstants.HTML_UTF_8, buffer);
}

From source file:ratpack.groovy.template.internal.MarkupTemplateRenderer.java

License:Apache License

@Override
public void render(Context ctx, MarkupTemplate template) throws Exception {
    String contentType = template.getContentType();
    contentType = contentType == null ? ctx.get(MimeTypes.class).getContentType(template.getName())
            : contentType;//  w  ww .j  av  a 2s  . c  o m

    try {
        Template compiledTemplate = engine.createTemplateByPath(template.getName());
        Writable boundTemplate = compiledTemplate.make(template.getModel());

        ByteBuf byteBuf = byteBufAllocator.directBuffer();
        try {
            OutputStream outputStream = new ByteBufOutputStream(byteBuf);
            Writer writer = new OutputStreamWriter(outputStream, CharsetUtil.encoder(StandardCharsets.UTF_8));
            boundTemplate.writeTo(writer);
        } catch (Exception e) {
            byteBuf.release();
            throw e;
        }

        ctx.getResponse().send(contentType, byteBuf);
    } catch (IOException e) {
        ctx.error(e);
    }
}

From source file:ratpack.gson.internal.GsonRenderer.java

License:Apache License

@Override
public void render(Context ctx, GsonRender object) throws Exception {
    Gson gson = object.getGson();//from   w ww. j  av  a 2  s .co m
    if (gson == null) {
        gson = ctx.maybeGet(Gson.class).orElseGet(() -> new GsonBuilder().create());
    }

    ByteBuf buffer = ctx.get(ByteBufAllocator.class).buffer();
    OutputStream outputStream = new ByteBufOutputStream(buffer);
    Writer writer = new OutputStreamWriter(outputStream);

    try {
        gson.toJson(object.getObject(), writer);
        writer.flush();
    } catch (JsonIOException e) {
        buffer.release();
        ctx.error(e);
        return;
    }

    ctx.getResponse().contentTypeIfNotSet(HttpHeaderConstants.JSON).send(buffer);
}

From source file:ratpack.health.internal.HealthCheckResultsRenderer.java

License:Apache License

@SuppressWarnings("ThrowableResultOfMethodCallIgnored")
@Override//w  w w  . j  av a2s. c o m
public void render(Context ctx, HealthCheckResults healthCheckResults) throws Exception {
    ByteBuf buffer = byteBufAllocator.buffer();

    try (Writer writer = new OutputStreamWriter(new BufferedOutputStream(new ByteBufOutputStream(buffer)))) {
        healthCheckResults.writeTo(writer);
    } catch (Exception e) {
        buffer.release();
        throw e;
    }

    ctx.getResponse().contentTypeIfNotSet(HttpHeaderConstants.PLAIN_TEXT_UTF8)
            .status(healthCheckResults.isUnhealthy() ? 503 : 200).send(buffer);
}

From source file:ratpack.jackson.internal.JsonRenderer.java

License:Apache License

@Override
public void render(Context context, JsonRender object) throws Exception {
    ObjectWriter writer = object.getObjectWriter();
    if (writer == null) {
        writer = defaultObjectWriter;//  w ww  .java 2 s. c o m
    }

    ByteBuf buffer = context.get(ByteBufAllocator.class).buffer();
    OutputStream outputStream = new ByteBufOutputStream(buffer);

    try {
        writer.writeValue(outputStream, object.getObject());
    } catch (JsonProcessingException e) {
        buffer.release();
        context.error(e);
        return;
    }

    context.getResponse().contentTypeIfNotSet(HttpHeaderConstants.JSON).send(buffer);
}

From source file:ratpack.session.internal.DefaultSession.java

License:Apache License

private ByteBuf serialize() throws Exception {
    SerializedForm serializable = new SerializedForm();
    serializable.entries = entries;/* w w w. j  ava  2  s  . c  o  m*/
    ByteBuf buffer = bufferAllocator.buffer();
    OutputStream outputStream = new ByteBufOutputStream(buffer);
    try {
        defaultSerializer.serialize(SerializedForm.class, serializable, outputStream);
        outputStream.close();
        return buffer;
    } catch (Throwable e) {
        buffer.release();
        throw e;
    }
}

From source file:ratpack.session.internal.DefaultSessionAdapter.java

License:Apache License

private ByteBuf serialize() {
    Data data = new Data(ImmutableMap.copyOf(strings), ImmutableMap.copyOf(objects));
    ByteBuf buffer = bufferAllocator.buffer();
    OutputStream outputStream = new ByteBufOutputStream(buffer);
    try {//from   w  w w .  j  a v a  2s.co m
        defaultSerializer.serialize(Data.class, data, outputStream);
        outputStream.close();
        return buffer;
    } catch (Throwable e) {
        buffer.release();
        throw Exceptions.uncheck(e);
    }
}