public static String formulateJsonForListKeys(Object[] keys, String fieldName) {
HeapDataOutputStream outputStream =
new HeapDataOutputStream(com.gemstone.gemfire.internal.Version.CURRENT);
try {
JsonGenerator generator =
enableDisableJSONGeneratorFeature(
getObjectMapper().getFactory().createGenerator(outputStream, JsonEncoding.UTF8));
generator.writeStartObject();
generator.writeFieldName(fieldName);
JsonWriter.writeObjectArrayAsJson(generator, keys, null);
generator.writeEndObject();
generator.close();
return new String(outputStream.toByteArray());
} catch (IOException e) {
throw new RuntimeException(e.getMessage());
} finally {
outputStream.close();
}
}
