Android Open Source - ean-android Nightly Rate

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Copyright (c) 2013, Expedia Affiliate Network All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that redistributions of sour...

Java Source Code

/*
 * Copyright (c) 2013, Expedia Affiliate Network
 * All rights reserved./*from   w ww  .j a  va2 s .c om*/
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that redistributions of source code
 * retain the above copyright notice, these conditions, and the following
 * disclaimer. 
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * The views and conclusions contained in the software and documentation are those
 * of the authors and should not be interpreted as representing official policies, 
 * either expressed or implied, of the Expedia Affiliate Network or Expedia Inc.
 */

package com.ean.mobile.hotel;

import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Locale;

import org.json.JSONArray;
import org.json.JSONObject;

/**
 * Holds data regarding a nightly rate for a room.
 */
public final class NightlyRate {

    /**
     * The type of promotion returned by the api for this nightly rate, either standard or mobile.
     */
    public enum PromoType {
        /**
         * Standard promotion. This is for all promos besides mobile-specific promos.
         */
        STANDARD,

        /**
         * Mobile specific promotions.
         */
        MOBILE;

        /**
         * Gets a promotype from a capital case (or otherwise) string.
         * @param value The promo type to get.
         * @return The promo type represented by the string, or null if there are no matching promo types.
         */
        public static PromoType fromString(final String value) {
            if (value == null) {
                return null;
            }
            try {
                return PromoType.valueOf(value.toUpperCase(Locale.ENGLISH));
            } catch (IllegalArgumentException iae) {
                return null;
            }
        }
    }

    /**
     * Whether or not this rate is a promotional rate.
     */
    public final boolean promo;

    /**
     * The type of promo that this nightly rate has, either standard or mobile.
     */
    public final PromoType promoType;

    /**
     * The actual rate for this nightly rate.
     */
    public final BigDecimal rate;

    /**
     * The base rate (pre-promo) for this nightly rate.
     */
    public final BigDecimal baseRate;

    /**
     * The main constructor, building objects from a JSONObject.
     * @param nightlyRateJson The JSON representing this nightly rate.
     */
    public NightlyRate(final JSONObject nightlyRateJson) {
        this.promo = nightlyRateJson.optBoolean("@promo");
        this.rate = new BigDecimal(nightlyRateJson.optString("@rate"));
        this.baseRate = new BigDecimal(nightlyRateJson.optString("@baseRate"));
        if (this.promo) {
            this.promoType = PromoType.fromString(nightlyRateJson.optString("promoType"));
        } else {
            this.promoType = null;
        }
    }

    /**
     * Constructs a list of nightly rates from a JSONArray of nightly rates.
     * @param nightlyRatesJson The JSON representing the array of nightly rates
     * @return The NightlyRate objects parsed from the array.
     */
    public static List<NightlyRate> parseNightlyRates(final JSONArray nightlyRatesJson) {
        final List<NightlyRate> nightlyRates = new ArrayList<NightlyRate>(nightlyRatesJson.length());
        for (int j = 0; j < nightlyRatesJson.length(); j++) {
            nightlyRates.add(new NightlyRate(nightlyRatesJson.optJSONObject(j)));
        }
        return nightlyRates;
    }

    /**
     * Constructs a singleton list of NightlyRates from the JSONObject of nightly rate.
     * @param nightlyRatesJson The JSON representing the nightly rate
     * @return The NightlyRate object parsed from the object.
     */
    public static List<NightlyRate> parseNightlyRates(final JSONObject nightlyRatesJson) {
        return Collections.singletonList(new NightlyRate(nightlyRatesJson.optJSONObject("NightlyRate")));
    }
}

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