use of org.codehaus.jackson.ObjectCodec in project spatial-portal by AtlasOfLivingAustralia.
the class LegendDeserializer method deserialize.
@Override
public Legend deserialize(JsonParser jsonParser, DeserializationContext deserializationContext) throws IOException {
ObjectMapper om = new ObjectMapper();
ObjectCodec oc = jsonParser.getCodec();
JsonNode node = oc.readTree(jsonParser);
return null;
}
use of org.codehaus.jackson.ObjectCodec in project samza by apache.
the class SamzaObjectMapper method getObjectMapper.
/**
* @return Returns a new ObjectMapper that's been configured to (de)serialize
* Samza's job data model, and simple data types such as TaskName,
* Partition, Config, and SystemStreamPartition.
*/
public static ObjectMapper getObjectMapper() {
ObjectMapper mapper = new ObjectMapper();
SimpleModule module = new SimpleModule("SamzaModule", new Version(1, 0, 0, ""));
// Setup custom serdes for simple data types.
module.addSerializer(Partition.class, new PartitionSerializer());
module.addSerializer(SystemStreamPartition.class, new SystemStreamPartitionSerializer());
module.addKeySerializer(SystemStreamPartition.class, new SystemStreamPartitionKeySerializer());
module.addSerializer(TaskName.class, new TaskNameSerializer());
module.addDeserializer(Partition.class, new PartitionDeserializer());
module.addDeserializer(SystemStreamPartition.class, new SystemStreamPartitionDeserializer());
module.addKeyDeserializer(SystemStreamPartition.class, new SystemStreamPartitionKeyDeserializer());
module.addDeserializer(Config.class, new ConfigDeserializer());
// Setup mixins for data models.
mapper.getSerializationConfig().addMixInAnnotations(TaskModel.class, JsonTaskModelMixIn.class);
mapper.getDeserializationConfig().addMixInAnnotations(TaskModel.class, JsonTaskModelMixIn.class);
mapper.getSerializationConfig().addMixInAnnotations(ContainerModel.class, JsonContainerModelMixIn.class);
mapper.getSerializationConfig().addMixInAnnotations(JobModel.class, JsonJobModelMixIn.class);
mapper.getDeserializationConfig().addMixInAnnotations(JobModel.class, JsonJobModelMixIn.class);
module.addDeserializer(ContainerModel.class, new JsonDeserializer<ContainerModel>() {
@Override
public ContainerModel deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException, JsonProcessingException {
ObjectCodec oc = jp.getCodec();
JsonNode node = oc.readTree(jp);
int containerId = node.get("container-id").getIntValue();
if (node.get("container-id") == null) {
throw new SamzaException("JobModel did not contain a container-id. This can never happen. JobModel corrupt!");
}
String processorId;
if (node.get("processor-id") == null) {
processorId = String.valueOf(containerId);
} else {
processorId = node.get("processor-id").getTextValue();
}
Map<TaskName, TaskModel> tasksMapping = OBJECT_MAPPER.readValue(node.get("tasks"), new TypeReference<Map<TaskName, TaskModel>>() {
});
return new ContainerModel(processorId, containerId, tasksMapping);
}
});
// Convert camel case to hyphenated field names, and register the module.
mapper.setPropertyNamingStrategy(new CamelCaseToDashesStrategy());
mapper.registerModule(module);
return mapper;
}
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