net.nullschool.grains.jackson.datatype.GrainsDeserializers.java Source code

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Here is the source code for net.nullschool.grains.jackson.datatype.GrainsDeserializers.java

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/*
 * Copyright 2013 Cameron Beccario
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package net.nullschool.grains.jackson.datatype;

import com.fasterxml.jackson.databind.*;
import com.fasterxml.jackson.databind.deser.Deserializers;
import com.fasterxml.jackson.databind.jsontype.TypeDeserializer;
import com.fasterxml.jackson.databind.type.MapType;
import net.nullschool.grains.Grain;

/**
 * 2013-06-07<p/>
 *
 * @author Cameron Beccario
 */
final class GrainsDeserializers extends Deserializers.Base {

    @Override
    public JsonDeserializer<?> findMapDeserializer(MapType type, DeserializationConfig config,
            BeanDescription beanDesc, KeyDeserializer keyDeserializer, TypeDeserializer valueTypeDeserializer,
            JsonDeserializer<?> valueDeserializer) throws JsonMappingException {

        Class<?> clazz = type.getRawClass();

        if (Grain.class.isAssignableFrom(clazz)) {
            return new GrainDeserializer(clazz.asSubclass(Grain.class));
        }
        return null;
    }
}