org.dominokit.jacksonapt.deser.bean.AbstractSerializableBeanJsonDeserializer Maven / Gradle / Ivy

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/*
 * Copyright 2014 Nicolas Morel
 *
 * 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 org.dominokit.jacksonapt.deser.bean;

import org.dominokit.jacksonapt.JsonDeserializationContext;
import org.dominokit.jacksonapt.JsonDeserializerParameters;
import org.dominokit.jacksonapt.deser.BaseNumberJsonDeserializer;
import org.dominokit.jacksonapt.deser.BooleanJsonDeserializer;
import org.dominokit.jacksonapt.deser.StringJsonDeserializer;
import org.dominokit.jacksonapt.deser.collection.ArrayListJsonDeserializer;
import org.dominokit.jacksonapt.deser.map.LinkedHashMapJsonDeserializer;
import org.dominokit.jacksonapt.deser.map.key.StringKeyDeserializer;
import org.dominokit.jacksonapt.stream.JsonReader;

import java.io.Serializable;

/**
 * Abstract AbstractSerializableBeanJsonDeserializer class.
 *
 * @author Nicolas Morel
 * @version $Id: $
 */
@SuppressWarnings("UnusedDeclaration")
public abstract class AbstractSerializableBeanJsonDeserializer extends AbstractBeanJsonDeserializer {

    private ArrayListJsonDeserializer listJsonDeserializer;

    private LinkedHashMapJsonDeserializer mapJsonDeserializer;

    /** {@inheritDoc} */
    @Override
    protected boolean canDeserialize() {
        return true;
    }

    /** {@inheritDoc} */
    @Override
    public Serializable deserializeWrapped(JsonReader reader, JsonDeserializationContext ctx, JsonDeserializerParameters params,
                                           IdentityDeserializationInfo identityInfo, TypeDeserializationInfo typeInfo,
                                           String typeInformation) {
        switch (reader.peek()) {
            case NUMBER:
                return BaseNumberJsonDeserializer.NumberJsonDeserializer
                        .getInstance().doDeserialize(reader, ctx, params);
            case STRING:
                return StringJsonDeserializer.getInstance().doDeserialize(reader, ctx, params);
            case BOOLEAN:
                return BooleanJsonDeserializer.getInstance().doDeserialize(reader, ctx, params);
            case BEGIN_ARRAY:
                if (null == listJsonDeserializer) {
                    listJsonDeserializer = ArrayListJsonDeserializer.newInstance(this);
                }
                return listJsonDeserializer.doDeserialize(reader, ctx, params);
            case BEGIN_OBJECT:
                if (null == mapJsonDeserializer) {
                    mapJsonDeserializer = LinkedHashMapJsonDeserializer.newInstance(StringKeyDeserializer.getInstance(), this);
                }
                return mapJsonDeserializer.doDeserialize(reader, ctx, params);
            case NULL:
                reader.nextNull();
                return null;
            default:
                throw ctx.traceError("Unexpected token " + reader.peek() + " for java.io.Serializable deserialization", reader);
        }
    }

}