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

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Here is the source code for net.nullschool.grains.jackson.datatype.ConstCollectionDeserializers.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.*;
import net.nullschool.collect.*;

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

    @Override
    public JsonDeserializer<?> findCollectionDeserializer(CollectionType type, DeserializationConfig config,
            BeanDescription beanDesc, TypeDeserializer elementTypeDeserializer,
            JsonDeserializer<?> elementDeserializer) {

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

        if (ConstCollection.class.isAssignableFrom(clazz)) {
            if (ConstSet.class.isAssignableFrom(clazz)) {
                if (ConstSortedSet.class.isAssignableFrom(clazz)) {
                    return new BasicConstSortedSetDeserializer(type, elementDeserializer, elementTypeDeserializer);
                }
                return new BasicConstSetDeserializer(type, elementDeserializer, elementTypeDeserializer);
            }
            return new BasicConstListDeserializer(type, elementDeserializer, elementTypeDeserializer);
        }
        return null;
    }

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

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

        if (ConstMap.class.isAssignableFrom(clazz)) {
            if (ConstSortedMap.class.isAssignableFrom(clazz)) {
                return new BasicConstSortedMapDeserializer(type, keyDeserializer, valueDeserializer,
                        valueTypeDeserializer);
            }
            return new BasicConstMapDeserializer(type, keyDeserializer, valueDeserializer, valueTypeDeserializer);
        }

        return null;
    }
}