/**
 * Copyright (c) 2010-2020 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.unifi.internal.api.util;

import java.lang.reflect.Type;
import java.util.Calendar;

import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonDeserializer;
import com.google.gson.JsonElement;

/**
 * The {@link UniFiTimestampDeserializer} is an implementation of {@link JsonDeserializer} that deserializes timestamps
 * returned in the JSON responses of the UniFi controller.
 *
 * @author Matthew Bowman - Initial contribution
 */
public class UniFiTimestampDeserializer implements JsonDeserializer<Calendar> {

    @Override
    public Calendar deserialize(JsonElement json, Type type, JsonDeserializationContext context) {
        String text = json.getAsJsonPrimitive().getAsString();
        long millis = Long.valueOf(text) * 1000;
        Calendar cal = Calendar.getInstance();
        cal.setTimeInMillis(millis);
        return cal;
    }
}
