Android Open Source - ean-android Information 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./*from   w w w  . j av a2s. com*/
 *
 * 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.MalformedURLException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import org.apache.http.NameValuePair;
import org.apache.http.message.BasicNameValuePair;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import android.text.Html;
import android.util.Log;

import com.ean.mobile.Constants;
import com.ean.mobile.exception.EanWsError;
import com.ean.mobile.hotel.HotelImageTuple;
import com.ean.mobile.hotel.HotelInformation;
import com.ean.mobile.request.CommonParameters;
import com.ean.mobile.request.Request;

/**
 * Uses getHotelInformation to get the rest of the hotel's information, including images
 * and the hotel's full description.
 */
public final class InformationRequest extends Request<HotelInformation> {

    /**
     * Gets the rest of the information about a hotel not included in previous calls.
     * @param hotelId The hotelId for which to gather more information.
     */
    public InformationRequest(final long hotelId) {

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

        final List<NameValuePair> urlParameters = new ArrayList<NameValuePair>();
        urlParameters.addAll(getBasicUrlParameters());
        urlParameters.addAll(requestParameters);
        setUrlParameters(urlParameters);
    }

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

        final JSONObject infoResp = jsonObject.getJSONObject("HotelInformationResponse");
        final JSONObject details = infoResp.getJSONObject("HotelDetails");
        final JSONArray images = infoResp.getJSONObject("HotelImages").getJSONArray("HotelImage");

        final String longDescription = Html.fromHtml(details.optString("propertyDescription")).toString();

        final List<HotelImageTuple> imageTuples = new ArrayList<HotelImageTuple>();

        JSONObject image;
        for (int i = 0; i < images.length(); i++) {
            image = images.getJSONObject(i);
            try {
                imageTuples.add(
                    new HotelImageTuple(new URL(image.optString("thumbnailUrl")),
                        new URL(image.optString("url")), image.optString("caption")));
            } catch (MalformedURLException me) {
                Log.e(Constants.LOG_TAG, "Unable to process JSON", me);
            }
        }

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

        Log.d(Constants.LOG_TAG, "Found " + imageTuples.size() + " images");
        return new HotelInformation(infoResp.optLong("@hotelId"), longDescription, imageTuples);
    }

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

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

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