Example usage for com.google.gson.stream JsonReader JsonReader

Introduction

In this page you can find the example usage for com.google.gson.stream JsonReader JsonReader.

Prototype

public JsonReader(Reader in)

Source Link

Document

Creates a new instance that reads a JSON-encoded stream from in .

Usage

From source file:com.github.lindenb.gatkui.Json2Xml.java

License:Open Source License

public static void main(String[] args) {
    try {/*from   w w w.  ja  v  a 2s . c o  m*/
        Json2Xml app = new Json2Xml();
        Reader r = null;
        JsonReader jr = null;
        if (args.length == 0) {
            LOG.info("reading JSON from stdin");
            r = new InputStreamReader(System.in);
        } else if (args.length == 1) {
            r = new FileReader(new File(args[0]));
        } else {
            System.err.println("Illegal Number of args");
            System.exit(-1);
        }

        jr = new JsonReader(r);
        XMLOutputFactory xof = XMLOutputFactory.newFactory();
        xof.setProperty(XMLOutputFactory.IS_REPAIRING_NAMESPACES, Boolean.TRUE);
        app.w = xof.createXMLStreamWriter(System.out, "UTF-8");
        app.w.setDefaultNamespace(NS);
        app.w.writeStartDocument("UTF-8", "1.0");

        app.parse(null, jr);
        app.w.writeEndDocument();
        app.w.flush();
        jr.close();
        System.exit(0);
    } catch (Exception e) {
        e.printStackTrace();
        System.exit(-1);
    }

}

From source file:com.github.rustdt.tooling.CargoMessageParser.java

License:Open Source License

public CargoMessageParser(Reader reader) {
    this.reader = assertNotNull(reader);
    this.jsonReader = new JsonReader(reader);
    this.jsonReader.setLenient(true);
}

From source file:com.github.sdnwiselab.sdnwise.configuration.Configurator.java

License:Open Source License

/**
 * Parses a file given in input containing a JSON string and returns the
 * corresponding configurator object described in the file.
 *
 * @param fileName the path to the JSON file
 * @return a configurator object//from  w ww . ja  v a 2 s .c o  m
 */
public static final Configurator load(final InputStream fileName) {
    try {
        return (new Gson()).fromJson(new JsonReader(new InputStreamReader(fileName, "UTF-8")),
                Configurator.class);
    } catch (UnsupportedEncodingException ex) {
        Logger.getLogger(Configurator.class.getName()).log(Level.SEVERE, null, ex);
    }
    return null;
}

From source file:com.goide.dlv.JsonReaderEx.java

License:Apache License

@NotNull
public JsonReader asGson() {
    JsonToken nextToken = peek();// ww  w .j  a v  a  2 s .  c  om
    switch (nextToken) {
    case BEGIN_ARRAY:
    case BEGIN_OBJECT:
    case STRING:
    case NUMBER:
    case BOOLEAN:
        break;
    default:
        throw createParseError("Cannot create sub reader, next token " + nextToken + " is not value");
    }

    CharSequence sequence = position > 0 ? in.subSequence(position - 1, in.length()) : in;
    return new JsonReader(new CharSequenceReader(sequence));
}

From source file:com.google.api.client.json.gson.GsonFactory.java

License:Apache License

@Override
public JsonParser createJsonParser(Reader reader) {
    return new GsonParser(this, new JsonReader(reader));
}

From source file:com.google.cloud.bigquery.samples.StreamingSample.java

License:Apache License

/**
 * Command line that demonstrates Bigquery streaming.
 *
 * @param args Command line args, should be empty
 * @throws IOException IOexception/*from w  ww .  j  ava 2s . co m*/
 */
// [START main]
public static void main(final String[] args) throws IOException {
    final Scanner scanner = new Scanner(System.in);
    System.out.println("Enter your project id: ");
    String projectId = scanner.nextLine();
    System.out.println("Enter your dataset id: ");
    String datasetId = scanner.nextLine();
    System.out.println("Enter your table id: ");
    String tableId = scanner.nextLine();
    scanner.close();

    System.out.println("Enter JSON to stream to BigQuery: \n" + "Press End-of-stream (CTRL-D) to stop");

    JsonReader fromCli = new JsonReader(new InputStreamReader(System.in));

    Iterator<TableDataInsertAllResponse> responses = run(projectId, datasetId, tableId, fromCli);

    while (responses.hasNext()) {
        System.out.println(responses.next());
    }

    fromCli.close();
}

From source file:com.google.cloud.tools.libraries.CloudLibraries.java

License:Apache License

@VisibleForTesting
List<CloudLibrary> getLibraries() throws IOException {
    try (InputStream inputStream = CloudLibraries.class.getResourceAsStream(librariesJsonPath)) {
        if (inputStream == null) {
            throw new MissingResourceException("Resource not found when loading libraries", LIBRARIES_JSON,
                    librariesJsonPath);/*ww w. j  a  va2  s  .co  m*/
        }

        InputStreamReader reader = new InputStreamReader(inputStream, StandardCharsets.UTF_8);
        JsonReader jsonReader = new JsonReader(reader);
        Type listType = new TypeToken<List<CloudLibrary>>() {
        }.getType();
        return new Gson().fromJson(jsonReader, listType);
    }
}

From source file:com.google.devtools.moe.client.project.ProjectConfig.java

License:Apache License

public static ProjectConfig parse(String configText) throws InvalidProject {
    ProjectConfig config = null;/*from   w ww .j a v  a2  s.c  o  m*/
    if (configText != null) {
        try {
            JsonReader configReader = new JsonReader(new StringReader(configText));
            configReader.setLenient(true);
            JsonElement configJsonElement = new JsonParser().parse(configReader);
            if (configJsonElement != null) {
                // Config files often contain JavaScript idioms like comments, single quoted strings,
                // and trailing commas in lists.
                // Check that the JSON parsed from configText is structurally the same as that
                // produced when it is interpreted by GSON in lax mode.
                String normalConfigText = JsonSanitizer.sanitize(configText);
                JsonElement normalConfigJsonElement = new JsonParser().parse(normalConfigText);
                JsonStructureChecker.requireSimilar(configJsonElement, normalConfigJsonElement);

                Gson gson = GsonModule.provideGson(); // TODO(user): Remove this static reference.
                config = gson.fromJson(configText, ProjectConfig.class);
            }
        } catch (JsonParseException e) {
            throw new InvalidProject(e, "Could not parse MOE config: " + e.getMessage());
        }
    }

    if (config == null) {
        throw new InvalidProject("Could not parse MOE config");
    }
    config.validate();
    return config;
}

From source file:com.google.gdt.googleapi.core.ApiDirectoryListingJsonCodec.java

License:Open Source License

public ApiDirectoryListing toApiDirectoryListing(InputStream in, URL baseURL)
        throws UnsupportedEncodingException {
    ApiDirectoryListing retval = null;/*  ww  w. ja  va  2s  . c  om*/
    try {
        JsonReader reader = new JsonReader(new InputStreamReader(in, "UTF-8"));
        baseURLThreadLocal.set(baseURL);
        retval = gson.fromJson(reader, ApiDirectoryListing.class);
    } finally {
        baseURLThreadLocal.set(null);
    }
    return retval;
}

From source file:com.google.gdt.googleapi.core.ApiDirectoryListingJsonCodec.java

License:Open Source License

public ApiInfoImpl toApiInfo(InputStream in, URL baseURL) throws UnsupportedEncodingException {
    ApiInfoImpl retval = null;//from   ww w . ja v a  2 s  .  com
    try {
        JsonReader reader = new JsonReader(new InputStreamReader(in, "UTF-8"));
        baseURLThreadLocal.set(baseURL);
        retval = gson.fromJson(reader, ApiInfoImpl.class);
    } finally {
        baseURLThreadLocal.set(null);
    }
    return retval;
}