com.heroiclabs.sdk.android.util.json.DatastoreItemJsonDeserializer.java Source code

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Here is the source code for com.heroiclabs.sdk.android.util.json.DatastoreItemJsonDeserializer.java

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/*
 * Copyright 2016 Heroic Labs
 *
 * 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 com.heroiclabs.sdk.android.util.json;

import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonDeserializer;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParseException;
import com.heroiclabs.sdk.android.entity.DatastoreItem;
import com.heroiclabs.sdk.android.util.Codec;

import java.lang.reflect.Type;

import lombok.AllArgsConstructor;
import lombok.NonNull;

/**
 * Gson JsonDeserializer implementation for DatastoreItem entities.
 */
@AllArgsConstructor(suppressConstructorProperties = true)
public class DatastoreItemJsonDeserializer implements JsonDeserializer<DatastoreItem> {

    /** A reference to the parent codec. */
    private final Codec codec;

    /** {@inheritDoc} */
    @Override
    public DatastoreItem deserialize(final @NonNull JsonElement json, final @NonNull Type typeOfT,
            final @NonNull JsonDeserializationContext context) throws JsonParseException {
        final JsonObject object = json.getAsJsonObject();
        final DatastoreItem.Metadata metadata = context.deserialize(object.get("metadata"),
                DatastoreItem.Metadata.class);
        final String data = JsonDeserializerUtils.extractAsString(object, "data");

        return new DatastoreItem(metadata, data, codec);
    }

}