Package org.codehaus.jackson

Examples of org.codehaus.jackson.JsonParser

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   * @return  The freshly built Schema.
   * @throws IOException if there was trouble reading the contents
   * @throws JsonParseException if the contents are invalid
   */
  public static Schema parse(File file) throws IOException {
    JsonParser parser = FACTORY.createJsonParser(file);
    try {
      return Schema.parse(MAPPER.readTree(parser), new Names());
    } catch (JsonParseException e) {
      throw new SchemaParseException(e);
    }
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   * @return  The freshly built Schema.
   * @throws IOException if there was trouble reading the contents
   * @throws JsonParseException if the contents are invalid
   */
  public static Schema parse(InputStream in) throws IOException {
    JsonParser parser = FACTORY.createJsonParser(in);
    try {
      return Schema.parse(MAPPER.readTree(parser), new Names());
    } catch (JsonParseException e) {
      throw new SchemaParseException(e);
    }
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     */
    @Override
    public Object deserialize(Writable blob) throws SerDeException {

        Text t = (Text) blob;
        JsonParser p;
        List<Object> r = new ArrayList<Object>(Collections.nCopies(columnNames.size(), null));
        try {
            p = jsonFactory.createJsonParser(new ByteArrayInputStream((t.getBytes())));
            if (p.nextToken() != JsonToken.START_OBJECT) {
                throw new IOException("Start token not found where expected");
            }
            JsonToken token;
            while (((token = p.nextToken()) != JsonToken.END_OBJECT) && (token != null)) {
                // iterate through each token, and create appropriate object here.
                populateRecord(r, token, p, schema);
            }
        } catch (JsonParseException e) {
            LOG.warn("Error [{}] parsing json text [{}].", e, t);
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   * @return  The freshly built Schema.
   * @throws IOException if there was trouble reading the contents
   * @throws JsonParseException if the contents are invalid
   */
  public static Schema parse(File file) throws IOException {
    JsonParser parser = FACTORY.createJsonParser(file);
    try {
      return Schema.parse(MAPPER.readTree(parser), new Names());
    } catch (JsonParseException e) {
      throw new SchemaParseException(e);
    }
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   * @return  The freshly built Schema.
   * @throws IOException if there was trouble reading the contents
   * @throws JsonParseException if the contents are invalid
   */
  public static Schema parse(InputStream in) throws IOException {
    JsonParser parser = FACTORY.createJsonParser(in);
    try {
      return Schema.parse(MAPPER.readTree(parser), new Names());
    } catch (JsonParseException e) {
      throw new SchemaParseException(e);
    }
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    private int importUnsorted(String jsonFile, ColumnFamily columnFamily, String ssTablePath, IPartitioner<?> partitioner) throws IOException
    {
        int importedKeys = 0;
        long start = System.nanoTime();

        JsonParser parser = getParser(jsonFile);

        Object[] data = parser.readValueAs(new TypeReference<Object[]>(){});

        keyCountToImport = (keyCountToImport == null) ? data.length : keyCountToImport;
        SSTableWriter writer = new SSTableWriter(ssTablePath, keyCountToImport);

        System.out.printf("Importing %s keys...%n", keyCountToImport);
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            IPartitioner<?> partitioner) throws IOException
    {
        int importedKeys = 0; // already imported keys count
        long start = System.nanoTime();

        JsonParser parser = getParser(jsonFile);

        if (keyCountToImport == null)
        {
            keyCountToImport = 0;
            System.out.println("Counting keys to import, please wait... (NOTE: to skip this use -n <num_keys>)");

            parser.nextToken(); // START_ARRAY
            while (parser.nextToken() != null)
            {
                parser.skipChildren();
                if (parser.getCurrentToken() == JsonToken.END_ARRAY)
                    break;

                keyCountToImport++;
            }
        }

        System.out.printf("Importing %s keys...%n", keyCountToImport);

        parser = getParser(jsonFile); // renewing parser
        SSTableWriter writer = new SSTableWriter(ssTablePath, keyCountToImport);

        int lineNumber = 1;
        DecoratedKey prevStoredKey = null;

        parser.nextToken(); // START_ARRAY
        while (parser.nextToken() != null)
        {
            String key = parser.getCurrentName();
            Map<?, ?> row = parser.readValueAs(new TypeReference<Map<?, ?>>(){});
            DecoratedKey currentKey = partitioner.decorateKey(hexToBytes((String) row.get("key")));

            if (row.containsKey("metadata"))
                parseMeta((Map<?, ?>) row.get("metadata"), columnFamily, null);
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    final ReflectionNumericJSON pbJSON = new ReflectionNumericJSON(new Class[]{V2LiteMedia.class});

    public MediaContent deserialize(byte[] array) throws Exception
    {
        V2LiteMedia.MediaContent.Builder builder = V2LiteMedia.MediaContent.newBuilder();
        JsonParser parser = pbJSON.getJsonFactory().createJsonParser(array);
        pbJSON.mergeFrom(parser, builder);
        parser.close();
        return builder.build();
    }
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    final V2SpeedMediaJSON pbJSON = new V2SpeedMediaJSON();

    public MediaContent deserialize(byte[] array) throws Exception
    {
        V2SpeedMedia.MediaContent.Builder builder = V2SpeedMedia.MediaContent.newBuilder();
        JsonParser parser = pbJSON.getJsonFactory().createJsonParser(array);
        pbJSON.mergeFrom(parser, builder);
        parser.close();
        return builder.build();
    }
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    final ReflectionJSON pbJSON = new ReflectionJSON(new Class[]{V2SpeedMedia.class});

    public MediaContent deserialize(byte[] array) throws Exception
    {
        V2SpeedMedia.MediaContent.Builder builder = V2SpeedMedia.MediaContent.newBuilder();
        JsonParser parser = pbJSON.getJsonFactory().createJsonParser(array);
        pbJSON.mergeFrom(parser, builder);
        parser.close();
        return builder.build();
    }
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