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Add ObjectMapper Module for Id de-/serialization
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236 changes: 236 additions & 0 deletions
236
matsim/src/main/java/org/matsim/api/core/v01/IdDeSerializationModule.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,236 @@ | ||
| package org.matsim.api.core.v01; | ||
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| import java.util.Collections; | ||
| import java.util.HashMap; | ||
| import java.util.Map; | ||
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| import org.apache.commons.lang3.tuple.Triple; | ||
| import org.matsim.api.core.v01.IdAnnotations.JsonLinkId; | ||
| import org.matsim.api.core.v01.IdAnnotations.JsonNodeId; | ||
| import org.matsim.api.core.v01.IdAnnotations.JsonPersonId; | ||
| import org.matsim.api.core.v01.network.Link; | ||
| import org.matsim.api.core.v01.network.Node; | ||
| import org.matsim.api.core.v01.population.Person; | ||
| import org.matsim.core.utils.collections.Tuple; | ||
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| import com.fasterxml.jackson.core.Version; | ||
| import com.fasterxml.jackson.databind.BeanDescription; | ||
| import com.fasterxml.jackson.databind.DeserializationConfig; | ||
| import com.fasterxml.jackson.databind.JavaType; | ||
| import com.fasterxml.jackson.databind.JsonDeserializer; | ||
| import com.fasterxml.jackson.databind.JsonMappingException; | ||
| import com.fasterxml.jackson.databind.JsonNode; | ||
| import com.fasterxml.jackson.databind.JsonSerializer; | ||
| import com.fasterxml.jackson.databind.KeyDeserializer; | ||
| import com.fasterxml.jackson.databind.Module; | ||
| import com.fasterxml.jackson.databind.ObjectMapper; | ||
| import com.fasterxml.jackson.databind.SerializationConfig; | ||
| import com.fasterxml.jackson.databind.deser.Deserializers; | ||
| import com.fasterxml.jackson.databind.deser.KeyDeserializers; | ||
| import com.fasterxml.jackson.databind.jsontype.TypeDeserializer; | ||
| import com.fasterxml.jackson.databind.jsontype.TypeSerializer; | ||
| import com.fasterxml.jackson.databind.ser.Serializers; | ||
| import com.fasterxml.jackson.databind.type.ArrayType; | ||
| import com.fasterxml.jackson.databind.type.CollectionLikeType; | ||
| import com.fasterxml.jackson.databind.type.CollectionType; | ||
| import com.fasterxml.jackson.databind.type.MapLikeType; | ||
| import com.fasterxml.jackson.databind.type.MapType; | ||
| import com.fasterxml.jackson.databind.type.ReferenceType; | ||
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| /** | ||
| * Use as follows with your {@link ObjectMapper} instance: | ||
| * | ||
| * {@code objectMapper.registerModule(IdDeSerializationModule.getInstance());} | ||
| */ | ||
| public class IdDeSerializationModule extends Module { | ||
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| private static final String NAME = IdDeSerializationModule.class.getSimpleName(); | ||
| private static final Version VERSION = new Version(0, 1, 0, null, "org.matsim", "api.core.v01"); | ||
| private static final Map<Class<?>, Triple<JsonSerializer<?>, JsonDeserializer<?>, KeyDeserializer>> DE_SERIALIZER_MAP; | ||
| static { | ||
| Map<Class<?>, Triple<JsonSerializer<?>, JsonDeserializer<?>, KeyDeserializer>> m = new HashMap<>(); | ||
| m.put(Person.class, Triple.of( | ||
| new JsonPersonId.PersonIdSerializer(), | ||
| new JsonPersonId.PersonIdDeserializer(), | ||
| new JsonPersonId.PersonIdKeyDeserializer())); | ||
| m.put(Node.class, Triple.of( | ||
| new JsonNodeId.NodeIdSerializer(), | ||
| new JsonNodeId.NodeIdDeserializer(), | ||
| new JsonNodeId.NodeIdKeyDeserializer())); | ||
| m.put(Link.class, Triple.of( | ||
| new JsonLinkId.LinkIdSerializer(), | ||
| new JsonLinkId.LinkIdDeserializer(), | ||
| new JsonLinkId.LinkIdKeyDeserializer())); | ||
| // Add your own classes below here | ||
| DE_SERIALIZER_MAP = Collections.unmodifiableMap(m); | ||
| } | ||
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| private static Module instance = null; | ||
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| private IdDeSerializationModule() { | ||
| // nothing to do here | ||
| } | ||
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| public static Module getInstance() { | ||
| if (instance == null) { | ||
| instance = new IdDeSerializationModule(); | ||
| } | ||
| return instance; | ||
| } | ||
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| @Override | ||
| public String getModuleName() { | ||
| return NAME; | ||
| } | ||
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| @Override | ||
| public Version version() { | ||
| return VERSION; | ||
| } | ||
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| @Override | ||
| public void setupModule(SetupContext context) { | ||
| context.addSerializers(new IdSerializers()); | ||
| context.addDeserializers(new IdDeserializers()); | ||
| context.addKeyDeserializers(new IdKeyDeserializers()); | ||
| } | ||
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| private static final class IdDeserializers extends Deserializers.Base { | ||
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| @Override | ||
| public JsonDeserializer<?> findEnumDeserializer(Class<?> type, DeserializationConfig config, | ||
| BeanDescription beanDesc) throws JsonMappingException { | ||
| return null; | ||
| } | ||
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| @Override | ||
| public JsonDeserializer<?> findTreeNodeDeserializer(Class<? extends JsonNode> nodeType, | ||
| DeserializationConfig config, BeanDescription beanDesc) throws JsonMappingException { | ||
| return null; | ||
| } | ||
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| @Override | ||
| public JsonDeserializer<?> findBeanDeserializer(JavaType type, DeserializationConfig config, | ||
| BeanDescription beanDesc) throws JsonMappingException { | ||
| if (type.getRawClass().equals(Id.class) && type.containedTypeCount() == 1) { | ||
| return DE_SERIALIZER_MAP.get(type.containedType(0).getRawClass()).getMiddle(); | ||
| } | ||
| return null; | ||
| } | ||
|
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| @Override | ||
| public JsonDeserializer<?> findReferenceDeserializer(ReferenceType refType, | ||
| DeserializationConfig config, BeanDescription beanDesc, | ||
| TypeDeserializer contentTypeDeserializer, JsonDeserializer<?> contentDeserializer) | ||
| throws JsonMappingException { | ||
| return null; | ||
| } | ||
|
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| @Override | ||
| public JsonDeserializer<?> findArrayDeserializer(ArrayType type, DeserializationConfig config, | ||
| BeanDescription beanDesc, TypeDeserializer elementTypeDeserializer, | ||
| JsonDeserializer<?> elementDeserializer) throws JsonMappingException { | ||
| return null; | ||
| } | ||
|
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| @Override | ||
| public JsonDeserializer<?> findCollectionDeserializer(CollectionType type, | ||
| DeserializationConfig config, BeanDescription beanDesc, | ||
| TypeDeserializer elementTypeDeserializer, JsonDeserializer<?> elementDeserializer) | ||
| throws JsonMappingException { | ||
| return null; | ||
| } | ||
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| @Override | ||
| public JsonDeserializer<?> findCollectionLikeDeserializer(CollectionLikeType type, | ||
| DeserializationConfig config, BeanDescription beanDesc, | ||
| TypeDeserializer elementTypeDeserializer, JsonDeserializer<?> elementDeserializer) | ||
| throws JsonMappingException { | ||
| return null; | ||
| } | ||
|
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| @Override | ||
| public JsonDeserializer<?> findMapDeserializer(MapType type, DeserializationConfig config, | ||
| BeanDescription beanDesc, KeyDeserializer keyDeserializer, | ||
| TypeDeserializer elementTypeDeserializer, JsonDeserializer<?> elementDeserializer) | ||
| throws JsonMappingException { | ||
| return null; | ||
| } | ||
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| @Override | ||
| public JsonDeserializer<?> findMapLikeDeserializer(MapLikeType type, DeserializationConfig config, | ||
| BeanDescription beanDesc, KeyDeserializer keyDeserializer, | ||
| TypeDeserializer elementTypeDeserializer, JsonDeserializer<?> elementDeserializer) | ||
| throws JsonMappingException { | ||
| return null; | ||
| } | ||
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| } | ||
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| private static final class IdKeyDeserializers implements KeyDeserializers { | ||
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| @Override | ||
| public KeyDeserializer findKeyDeserializer(JavaType type, DeserializationConfig config, | ||
| BeanDescription beanDesc) throws JsonMappingException { | ||
| if (type.getRawClass().equals(Id.class) && type.containedTypeCount() == 1) { | ||
| return DE_SERIALIZER_MAP.get(type.containedType(0).getRawClass()).getRight(); | ||
| } | ||
| return null; | ||
| } | ||
|
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| } | ||
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| private static final class IdSerializers implements Serializers { | ||
|
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| @Override | ||
| public JsonSerializer<?> findSerializer(SerializationConfig config, JavaType type, | ||
| BeanDescription beanDesc) { | ||
| if (type.getRawClass().equals(Id.class) && type.containedTypeCount() == 1) { | ||
| return DE_SERIALIZER_MAP.get(type.containedType(0).getRawClass()).getLeft(); | ||
| } | ||
| return null; | ||
| } | ||
|
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| @Override | ||
| public JsonSerializer<?> findReferenceSerializer(SerializationConfig config, ReferenceType type, | ||
| BeanDescription beanDesc, TypeSerializer contentTypeSerializer, | ||
| JsonSerializer<Object> contentValueSerializer) { | ||
| return null; | ||
| } | ||
|
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| @Override | ||
| public JsonSerializer<?> findArraySerializer(SerializationConfig config, ArrayType type, | ||
| BeanDescription beanDesc, TypeSerializer elementTypeSerializer, | ||
| JsonSerializer<Object> elementValueSerializer) { | ||
| return null; | ||
| } | ||
|
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| @Override | ||
| public JsonSerializer<?> findCollectionSerializer(SerializationConfig config, CollectionType type, | ||
| BeanDescription beanDesc, TypeSerializer elementTypeSerializer, | ||
| JsonSerializer<Object> elementValueSerializer) { | ||
| return null; | ||
| } | ||
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| @Override | ||
| public JsonSerializer<?> findCollectionLikeSerializer(SerializationConfig config, | ||
| CollectionLikeType type, BeanDescription beanDesc, TypeSerializer elementTypeSerializer, | ||
| JsonSerializer<Object> elementValueSerializer) { | ||
| return null; | ||
| } | ||
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| @Override | ||
| public JsonSerializer<?> findMapSerializer(SerializationConfig config, MapType type, | ||
| BeanDescription beanDesc, JsonSerializer<Object> keySerializer, | ||
| TypeSerializer elementTypeSerializer, JsonSerializer<Object> elementValueSerializer) { | ||
| return null; | ||
| } | ||
|
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| @Override | ||
| public JsonSerializer<?> findMapLikeSerializer(SerializationConfig config, MapLikeType type, | ||
| BeanDescription beanDesc, JsonSerializer<Object> keySerializer, | ||
| TypeSerializer elementTypeSerializer, JsonSerializer<Object> elementValueSerializer) { | ||
| return null; | ||
| } | ||
| } | ||
| } |
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