| package org.codehaus.jackson.map.module; |
| |
| import java.util.*; |
| |
| import org.codehaus.jackson.JsonNode; |
| import org.codehaus.jackson.map.*; |
| import org.codehaus.jackson.map.type.*; |
| import org.codehaus.jackson.type.JavaType; |
| |
| /** |
| * Simple implementation {@link Deserializers} which allows registration of |
| * deserializers based on raw (type erased class). |
| * It can work well for basic bean and scalar type deserializers, but is not |
| * a good fit for handling generic types (like {@link Map}s and {@link Collection}s |
| * or array types). |
| *<p> |
| * Unlike {@link SimpleSerializers}, this class does not currently support generic mappings; |
| * all mappings must be to exact declared deserialization type. |
| * |
| * @since 1.7 |
| */ |
| public class SimpleDeserializers implements Deserializers |
| { |
| protected HashMap<ClassKey,JsonDeserializer<?>> _classMappings = null; |
| |
| /* |
| /********************************************************** |
| /* Life-cycle, construction and configuring |
| /********************************************************** |
| */ |
| |
| public SimpleDeserializers() { } |
| |
| public <T> void addDeserializer(Class<T> forClass, JsonDeserializer<? extends T> deser) |
| { |
| ClassKey key = new ClassKey(forClass); |
| if (_classMappings == null) { |
| _classMappings = new HashMap<ClassKey,JsonDeserializer<?>>(); |
| } |
| _classMappings.put(key, deser); |
| } |
| |
| /* |
| /********************************************************** |
| /* Serializers implementation |
| /********************************************************** |
| */ |
| |
| @Override |
| public JsonDeserializer<?> findArrayDeserializer(ArrayType type, |
| DeserializationConfig config, DeserializerProvider provider, |
| BeanProperty property, |
| TypeDeserializer elementTypeDeserializer, |
| JsonDeserializer<?> elementDeserializer) |
| throws JsonMappingException |
| { |
| return (_classMappings == null) ? null : _classMappings.get(new ClassKey(type.getRawClass())); |
| } |
| |
| @Override |
| public JsonDeserializer<?> findBeanDeserializer(JavaType type, |
| DeserializationConfig config, DeserializerProvider provider, |
| BeanDescription beanDesc, BeanProperty property) |
| throws JsonMappingException |
| { |
| return (_classMappings == null) ? null : _classMappings.get(new ClassKey(type.getRawClass())); |
| } |
| |
| @Override |
| public JsonDeserializer<?> findCollectionDeserializer(CollectionType type, |
| DeserializationConfig config, DeserializerProvider provider, |
| BeanDescription beanDesc, BeanProperty property, |
| TypeDeserializer elementTypeDeserializer, |
| JsonDeserializer<?> elementDeserializer) |
| throws JsonMappingException |
| { |
| return (_classMappings == null) ? null : _classMappings.get(new ClassKey(type.getRawClass())); |
| } |
| |
| @Override |
| public JsonDeserializer<?> findCollectionLikeDeserializer(CollectionLikeType type, |
| DeserializationConfig config, DeserializerProvider provider, |
| BeanDescription beanDesc, BeanProperty property, |
| TypeDeserializer elementTypeDeserializer, |
| JsonDeserializer<?> elementDeserializer) |
| throws JsonMappingException |
| { |
| return (_classMappings == null) ? null : _classMappings.get(new ClassKey(type.getRawClass())); |
| } |
| |
| @Override |
| public JsonDeserializer<?> findEnumDeserializer(Class<?> type, |
| DeserializationConfig config, BeanDescription beanDesc, BeanProperty property) |
| throws JsonMappingException |
| { |
| return (_classMappings == null) ? null : _classMappings.get(new ClassKey(type)); |
| } |
| |
| @Override |
| public JsonDeserializer<?> findMapDeserializer(MapType type, |
| DeserializationConfig config, DeserializerProvider provider, |
| BeanDescription beanDesc, BeanProperty property, |
| KeyDeserializer keyDeserializer, |
| TypeDeserializer elementTypeDeserializer, |
| JsonDeserializer<?> elementDeserializer) |
| throws JsonMappingException |
| { |
| return (_classMappings == null) ? null : _classMappings.get(new ClassKey(type.getRawClass())); |
| } |
| |
| @Override |
| public JsonDeserializer<?> findMapLikeDeserializer(MapLikeType type, |
| DeserializationConfig config, DeserializerProvider provider, |
| BeanDescription beanDesc, BeanProperty property, |
| KeyDeserializer keyDeserializer, |
| TypeDeserializer elementTypeDeserializer, |
| JsonDeserializer<?> elementDeserializer) |
| throws JsonMappingException |
| { |
| return (_classMappings == null) ? null : _classMappings.get(new ClassKey(type.getRawClass())); |
| } |
| |
| @Override |
| public JsonDeserializer<?> findTreeNodeDeserializer(Class<? extends JsonNode> nodeType, |
| DeserializationConfig config, BeanProperty property) |
| throws JsonMappingException |
| { |
| return (_classMappings == null) ? null : _classMappings.get(new ClassKey(nodeType)); |
| } |
| } |