Android Open Source - ean-android Room Availability Request

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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./* ww  w. j a va2  s .  c  o m*/
 *
 * 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.request;

import java.net.URI;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;

import org.apache.http.NameValuePair;
import org.apache.http.message.BasicNameValuePair;

import org.joda.time.LocalDate;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import com.ean.mobile.exception.EanWsError;
import com.ean.mobile.hotel.HotelRoom;
import com.ean.mobile.hotel.RoomOccupancy;
import com.ean.mobile.request.CommonParameters;
import com.ean.mobile.request.Request;

/**
 * The class to use to get specific availability of rooms for a particular hotel, occupancy, and occupancy dates.
 */
public final class RoomAvailabilityRequest extends Request<List<HotelRoom>> {

    /**
     * Gets the room availability for the specified information.
     *
     * THIS SHOULD NOT BE RUN ON THE MAIN THREAD. It is a long-running network process and so might cause
     * force close dialogs.
     *
     * @param hotelId The hotel to search for availability in.
     * @param room The singular room occupancy to search for.
     * @param arrivalDate The date of arrival.
     * @param departureDate The date of departure (from the hotel).
     */
    public RoomAvailabilityRequest(final long hotelId, final RoomOccupancy room,
            final LocalDate arrivalDate, final LocalDate departureDate) {

        this(hotelId, Collections.singletonList(room), arrivalDate, departureDate);
    }
    /**
     * Gets the room availability for the specified information.
     *
     * THIS SHOULD NOT BE RUN ON THE MAIN THREAD. It is a long-running network process and so might cause
     * force close dialogs otherwise.
     *
     * @param hotelId The hotel to search for availability in.
     * @param rooms The list of room occupancies to search for.
     * @param arrivalDate The date of arrival.
     * @param departureDate The date of departure (from the hotel).
     */

    public RoomAvailabilityRequest(final long hotelId, final List<RoomOccupancy> rooms,
            final LocalDate arrivalDate, final LocalDate departureDate) {

        final List<NameValuePair> requestParameters = Arrays.<NameValuePair>asList(
            new BasicNameValuePair("hotelId", Long.toString(hotelId)),
            new BasicNameValuePair("includeDetails", "true")
        );

        final List<NameValuePair> roomPairs = new ArrayList<NameValuePair>(rooms.size());
        for (RoomOccupancy occupancy : rooms) {
            roomPairs.add(new BasicNameValuePair("room" + (roomPairs.size() + 1),
                occupancy.asAbbreviatedRequestString()));
        }

        final List<NameValuePair> urlParameters = new ArrayList<NameValuePair>();
        urlParameters.addAll(getBasicUrlParameters(arrivalDate, departureDate));
        urlParameters.addAll(requestParameters);
        urlParameters.addAll(roomPairs);

        setUrlParameters(urlParameters);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public List<HotelRoom> consume(final JSONObject jsonObject) throws JSONException, EanWsError {
        if (jsonObject == null) {
            return null;
        }

        final JSONObject response = jsonObject.getJSONObject("HotelRoomAvailabilityResponse");

        if (response.has("EanWsError")) {
            throw EanWsError.fromJson(response.getJSONObject("EanWsError"));
        }

        CommonParameters.customerSessionId = response.optString("customerSessionId");

        final List<HotelRoom> hotelRooms;
        if (response.has("HotelRoomResponse")) {
            // we know that it has HotelRoomResponse, just don't know if it'll be
            // parsed as an object or as an array. If there's only one in the collection,
            // it'll be parsed as a singular object, otherwise it'll be an array.
            final LocalDate arrivalDate = LocalDate.parse(response.getString("arrivalDate"), DATE_TIME_FORMATTER);
            if (response.optJSONArray("HotelRoomResponse") != null) {
                final JSONArray hotelRoomResponse = response.optJSONArray("HotelRoomResponse");
                hotelRooms = HotelRoom.parseRoomRateDetails(hotelRoomResponse, arrivalDate);
            } else {
                final JSONObject hotelRoomResponse = response.optJSONObject("HotelRoomResponse");
                hotelRooms = HotelRoom.parseRoomRateDetails(hotelRoomResponse, arrivalDate);
            }
        } else {
            hotelRooms = Collections.emptyList();
        }

        return hotelRooms;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public URI getUri() throws URISyntaxException {
        return new URI("http", "api.ean.com", "/ean-services/rs/hotel/v3/avail", getQueryString(), null);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public boolean requiresSecure() {
        return false;
    }
}

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