How to use

FromJson

in

com.moz.fiji.schema.util

/**
 * Reads a table import mapping descriptor from its JSON serialized form.
 *
 * @param json JSON string.
 * @return the decoded table layout descriptor.
 * @throws IOException on I/O error.
 */
public static TableImportDescriptorDesc readTableImportDescriptorDescFromJSON(String json)
  throws IOException {
 final TableImportDescriptorDesc desc =
   (TableImportDescriptorDesc) FromJson.fromJsonString(json,
     TableImportDescriptorDesc.SCHEMA$);
 return desc;
}

 while (it.hasNext()) {
  final JsonNode element = it.next();
  list.add(fromJsonNode(element, schema.getElementType()));
 while (it.hasNext()) {
  final Map.Entry<String, JsonNode> entry = it.next();
  map.put(entry.getKey(), fromJsonNode(entry.getValue(), schema.getValueType()));
 final SpecificRecord record = newSpecificRecord(schema.getFullName());
 for (Schema.Field field : schema.getFields()) {
  final String fieldName = field.name();
  final JsonNode fieldElement = json.get(fieldName);
  if (fieldElement != null) {
   final Object fieldValue = fromJsonNode(fieldElement, field.schema());
   record.put(field.pos(), fieldValue);
  } else if (field.defaultValue() != null) {
   record.put(field.pos(), fromJsonNode(field.defaultValue(), field.schema()));
  } else {
   throw new IOException(String.format(
case UNION: return fromUnionJsonNode(json, schema);
 return enumValue(schema.getFullName(), enumValStr);

final Schema optionalType = AvroUtils.getOptionalType(schema);
if (optionalType != null) {
 return json.isNull() ? null : fromJsonNode(json, optionalType);
  return fromJsonNode(actualNode, type);
 return fromJsonNode(json, type);
} catch (IOException ioe) {

public FijiRowFilter createFromJson(JsonNode root) {
 try {
  final RowKeyFormat2 rowKeyFormat = (RowKeyFormat2) FromJson.fromAvroJsonString(
    root.path(ROW_KEY_FORMAT_NODE).getTextValue(), RowKeyFormat2.SCHEMA$);
  final JsonNode componentsJsonNode = root.path(COMPONENTS_NODE);

/**
 * Decodes a JSON encoded record.
 *
 * @param json JSON tree to decode, encoded as a string.
 * @param schema Avro schema of the value to decode.
 * @return the decoded value.
 * @throws IOException on error.
 */
public static Object fromJsonString(String json, Schema schema) throws IOException {
 final ObjectMapper mapper = new ObjectMapper();
 final JsonParser parser = new JsonFactory().createJsonParser(json)
   .enable(Feature.ALLOW_COMMENTS)
   .enable(Feature.ALLOW_SINGLE_QUOTES)
   .enable(Feature.ALLOW_UNQUOTED_FIELD_NAMES);
 final JsonNode root = mapper.readTree(parser);
 return fromJsonNode(root, schema);
}

 /** {@inheritDoc} */
 @Override
 public FijiRowFilter createFromJson(JsonNode root) {
  final String family = root.path(FAMILY_NODE).getTextValue();
  final String qualifier = root.path(QUALIFIER_NODE).getTextValue();
  final String schema = root.path(VALUE_NODE).path(SCHEMA_NODE).getTextValue();
  final Schema writerSchema = (new Schema.Parser()).parse(schema);
  final String data = root.path(VALUE_NODE).path(DATA_NODE).getTextValue();
  try {
   final DecodedCell<?> cell = new DecodedCell<Object>(writerSchema,
     FromJson.fromAvroJsonString(data, writerSchema));
   return new ColumnValueEqualsRowFilter(family, qualifier, cell);
  } catch (IOException ioe) {
   throw new FijiIOException(ioe);
  }
 }
}

/**
 * Reads a table layout descriptor from its JSON serialized form.
 *
 * @param istream JSON input stream.
 * @return the decoded table layout descriptor.
 * @throws IOException on I/O error.
 */
public static TableLayoutDesc readTableLayoutDescFromJSON(InputStream istream)
  throws IOException {
 final String json = IOUtils.toString(istream);
 final TableLayoutDesc desc =
   (TableLayoutDesc) FromJson.fromJsonString(json, TableLayoutDesc.SCHEMA$);
 return desc;
}