org.openhab.binding.tplinksmarthome.internal.model.GsonUtil.java Source code

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Here is the source code for org.openhab.binding.tplinksmarthome.internal.model.GsonUtil.java

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/**
 * Copyright (c) 2010-2019 Contributors to the openHAB project
 *
 * See the NOTICE file(s) distributed with this work for additional
 * information.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0
 *
 * SPDX-License-Identifier: EPL-2.0
 */
package org.openhab.binding.tplinksmarthome.internal.model;

import org.eclipse.jdt.annotation.NonNullByDefault;

import com.google.gson.FieldNamingPolicy;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.annotations.Expose;

/**
 * Util class to create a {@link Gson} object.
 *
 * @author Hilbrand Bouwkamp - Initial contribution
 */
@NonNullByDefault
public final class GsonUtil {

    private GsonUtil() {
        // Util class
    }

    /**
     * Creates a new {@link Gson} object.
     *
     * @return new {@link Gson} object.
     */
    public static Gson createGson() {
        return new GsonBuilder().setFieldNamingPolicy(FieldNamingPolicy.LOWER_CASE_WITH_UNDERSCORES).create();
    }

    /**
     * Creates a new {@link Gson} object that uses the {@link Expose} annotation..
     *
     * @return new {@link Gson} object.
     */
    public static Gson createGsonWithExpose() {
        return new GsonBuilder().excludeFieldsWithoutExposeAnnotation()
                .setFieldNamingPolicy(FieldNamingPolicy.LOWER_CASE_WITH_UNDERSCORES).create();
    }
}