com.ibm.idreambooks.DreamBooks.java Source code

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Here is the source code for com.ibm.idreambooks.DreamBooks.java

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/*
The MIT License (MIT)
    
Copyright (c) 2015 IBM
    
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
    
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
    
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/

package com.ibm.idreambooks;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.URI;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.http.HttpResponse;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.utils.URIBuilder;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;

import com.fasterxml.jackson.databind.ObjectMapper;

public class DreamBooks {
    private static final Logger logger = LoggerFactory.getLogger(DreamBooks.class);
    private static String url;
    private static String apiKey;
    private String bookName;

    static {
        url = System.getenv("DREAM_BOOKS_URL");
        apiKey = System.getenv("DREAM_BOOKS_API_KEY");
        logger.debug("Dreambooks url {} and api key {}", url, apiKey);
    }

    public DreamBooks(String name) {
        bookName = name;
        logger.debug("Book name {}", bookName);
    }

    public BookReviewList getReviewList() {
        BookReviewList bookReviewList = new BookReviewList();

        try {
            if (bookName != null && url != null && apiKey != null) {
                RequestConfig config = RequestConfig.custom().setSocketTimeout(10 * 1000)
                        .setConnectTimeout(10 * 1000).build();
                CloseableHttpClient httpclient = HttpClients.custom().setDefaultRequestConfig(config).build();
                URIBuilder builder = new URIBuilder();
                builder.setScheme("http").setHost(url).setPath("/api/books/reviews.json")
                        .setParameter("key", apiKey).setParameter("q", bookName);
                URI uri = builder.build();
                HttpGet httpGet = new HttpGet(uri);

                httpGet.setHeader("Content-Type", "text/plain");
                HttpResponse httpResponse = httpclient.execute(httpGet);

                if (httpResponse.getStatusLine().getStatusCode() == 200) {
                    BufferedReader rd = new BufferedReader(
                            new InputStreamReader(httpResponse.getEntity().getContent(), "UTF-8"));

                    // Read all the books from the best seller list
                    ObjectMapper mapper = new ObjectMapper();
                    bookReviewList = mapper.readValue(rd, BookReviewList.class);
                    logger.debug("iDreamBooks reviews {}", bookReviewList.toString());
                } else {
                    logger.error("could not get reviews from iDreamBooks http code {}",
                            httpResponse.getStatusLine().getStatusCode());
                }
            }

        } catch (Exception e) {
            logger.error("could not get reviews from iDreamBooks {}", e.getMessage());
        }

        return bookReviewList;
    }

}