| package org.codehaus.jackson.map.module; |
| |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.codehaus.jackson.map.*; |
| import org.codehaus.jackson.map.type.ClassKey; |
| import org.codehaus.jackson.type.JavaType; |
| |
| /** |
| * Simple implementation {@link KeyDeserializers} 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 SimpleKeyDeserializers implements KeyDeserializers |
| { |
| protected HashMap<ClassKey,KeyDeserializer> _classMappings = null; |
| |
| /* |
| /********************************************************** |
| /* Life-cycle, construction and configuring |
| /********************************************************** |
| */ |
| |
| public SimpleKeyDeserializers() { } |
| |
| public SimpleKeyDeserializers addDeserializer(Class<?> forClass, KeyDeserializer deser) |
| { |
| if (_classMappings == null) { |
| _classMappings = new HashMap<ClassKey,KeyDeserializer>(); |
| } |
| _classMappings.put(new ClassKey(forClass), deser); |
| return this; |
| } |
| |
| /* |
| /********************************************************** |
| /* Serializers implementation |
| /********************************************************** |
| */ |
| |
| @Override |
| public KeyDeserializer findKeyDeserializer(JavaType type, DeserializationConfig config, |
| BeanDescription beanDesc, BeanProperty property) |
| { |
| if (_classMappings == null) { |
| return null; |
| } |
| return _classMappings.get(new ClassKey(type.getRawClass())); |
| } |
| } |