Examples with JsonWriter com.google.gson.stream.JsonWriter used on opensource projects

Example 26 with JsonWriter

use of com.google.gson.stream.JsonWriter in project iosched by google.

the class CMSUpdateServlet method process.

private void process(HttpServletResponse resp, boolean showOnly) throws IOException {
    // everything ok, let's update
    StringBuilder summary = new StringBuilder();
    JsonObject contents = new JsonObject();
    JsonDataSources sources = new VendorDynamicInput().fetchAllDataSources();
    for (String entity : sources) {
        JsonArray array = new JsonArray();
        JsonDataSource source = sources.getSource(entity);
        for (JsonObject obj : source) {
            array.add(obj);
        }
        summary.append(entity).append(": ").append(source.size()).append("\n");
        contents.add(entity, array);
    }
    if (showOnly) {
        // Show generated contents to the output
        resp.setContentType("application/json");
        Writer writer = Channels.newWriter(Channels.newChannel(resp.getOutputStream()), "UTF-8");
        JsonWriter outputWriter = new JsonWriter(writer);
        outputWriter.setIndent("  ");
        new Gson().toJson(contents, outputWriter);
        outputWriter.flush();
    } else {
        // Write file to cloud storage
        CloudFileManager fileManager = new CloudFileManager();
        fileManager.createOrUpdate("__raw_session_data.json", contents, true);
        // send email
        Message message = new Message();
        message.setSender(Config.EMAIL_FROM);
        message.setSubject("[iosched-data-update] Manual sync from CMS");
        message.setTextBody("Hey,\n\n" + "(this message is autogenerated)\n" + "This is a heads up that " + userService.getCurrentUser().getEmail() + " has just updated the IOSched 2015 data from the Vendor CMS.\n\n" + "Here is a brief status of what has been extracted from the Vendor API:\n" + summary + "\n\n" + "If you want to check the most current data that will soon be sync'ed to the IOSched Android app, " + "check this link: http://storage.googleapis.com/iosched-updater-dev.appspot.com/__raw_session_data.json\n" + "This data will remain unchanged until someone with proper privileges updates it again on https://iosched-updater-dev.appspot.com/cmsupdate\n\n" + "Thanks!\n\n" + "A robot on behalf of the IOSched team!\n\n" + "PS: you are receiving this either because you are an admin of the IOSched project or " + "because you are in a hard-coded list of I/O organizers. If you don't want to " + "receive it anymore, pay me a beer and ask kindly.");
        // TODO(arthurthompson): Reimplement mailing, it currently fails due to invalid sender.
        //MailServiceFactory.getMailService().sendToAdmins(message);
        resp.sendRedirect("/admin/schedule/updateok.html");
    }
}

Example 27 with JsonWriter

use of com.google.gson.stream.JsonWriter in project Minechem by iopleke.

the class ResearchHandler method saveResearch.

/**
     * Save the current research map
     */
public static void saveResearch() {
    try {
        OutputStream outputStream = FileUtils.openOutputStream(new File(Minechem.proxy.getCurrentSaveDir() + "/data/" + Compendium.Config.playerResearchData));
        JsonWriter jWriter = new JsonWriter(new OutputStreamWriter(outputStream));
        jWriter.setIndent("    ");
        jWriter.beginObject();
        for (Map.Entry<UUID, Set<String>> entry : ResearchRegistry.getInstance().getPlayerResearchMap().entrySet()) {
            jWriter.name(entry.getKey().toString()).beginObject();
            // @TODO: maybe find a way to add this for readability
            //jWriter.name("displayName").value();
            jWriter.name("research").beginArray();
            for (String research : entry.getValue()) {
                jWriter.value(research);
            }
            jWriter.endArray();
            jWriter.endObject();
        }
        jWriter.endObject();
        jWriter.close();
        try {
            outputStream.close();
        } catch (IOException e) {
            LogHelper.exception("Cannot close stream!", e, Level.WARN);
        }
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

Example 28 with JsonWriter

use of com.google.gson.stream.JsonWriter in project hadoop by apache.

the class RLESparseResourceAllocation method toMemJSONString.

/**
   * Returns the JSON string representation of the current resources allocated
   * over time.
   *
   * @return the JSON string representation of the current resources allocated
   *         over time
   */
public String toMemJSONString() {
    StringWriter json = new StringWriter();
    JsonWriter jsonWriter = new JsonWriter(json);
    readLock.lock();
    try {
        jsonWriter.beginObject();
        // jsonWriter.name("timestamp").value("resource");
        for (Map.Entry<Long, Resource> r : cumulativeCapacity.entrySet()) {
            jsonWriter.name(r.getKey().toString()).value(r.getValue().toString());
        }
        jsonWriter.endObject();
        jsonWriter.close();
        return json.toString();
    } catch (IOException e) {
        // This should not happen
        return "";
    } finally {
        readLock.unlock();
    }
}

Example 29 with JsonWriter

use of com.google.gson.stream.JsonWriter in project Fast-Android-Networking by amitshekhariitbhu.

the class GsonRequestBodyParser method convert.

@Override
public RequestBody convert(T value) throws IOException {
    Buffer buffer = new Buffer();
    Writer writer = new OutputStreamWriter(buffer.outputStream(), UTF_8);
    JsonWriter jsonWriter = gson.newJsonWriter(writer);
    adapter.write(jsonWriter, value);
    jsonWriter.close();
    return RequestBody.create(MEDIA_TYPE, buffer.readByteString());
}

Example 30 with JsonWriter

use of com.google.gson.stream.JsonWriter in project useful-java-links by Vedenin.

the class StreamingAPI method writeJson.

/**
     * Example to writeJson using StreamingAPI
     */
private static void writeJson() throws IOException {
    OutputStream outputStream = new ByteArrayOutputStream();
    JsonWriter writer = new JsonWriter(new OutputStreamWriter(outputStream, "UTF-8"));
    // main object
    writer.beginObject();
    writer.name("message");
    writer.value("Hi");
    // save object Place
    writer.name("place");
    writer.beginObject();
    writer.name("name");
    writer.value("World!");
    writer.endObject();
    writer.endObject();
    writer.close();
    // print "{"message":"Hi","place":{"name":"World!"}}"
    System.out.println(outputStream.toString());
}