AIR.Dictionary.DictionaryConnection.java Source code

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Here is the source code for AIR.Dictionary.DictionaryConnection.java

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/*******************************************************************************
 * Educational Online Test Delivery System 
 * Copyright (c) 2015 American Institutes for Research
 *   
 * Distributed under the AIR Open Source License, Version 1.0 
 * See accompanying file AIR-License-1_0.txt or at
 * http://www.smarterapp.org/documents/American_Institutes_for_Research_Open_Source_Software_License.pdf
 ******************************************************************************/
package AIR.Dictionary;

import java.net.URI;

import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.util.EntityUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import AIR.Common.Utilities.UrlEncoderDecoderUtils;

public class DictionaryConnection {
    private static final Logger _logger = LoggerFactory.getLogger(DictionaryConnection.class);

    private final String _apiKey;
    private final String _apiUrl;

    public DictionaryConnection(String apiKey, String apiUrl) {
        _apiKey = apiKey;
        _apiUrl = apiUrl;
    }

    // Source = Stream
    public String lookup(String word) {

        try (CloseableHttpClient httpClient = HttpClientBuilder.create().build()) {
            //        // make word url safe
            word = UrlEncoderDecoderUtils.encode(word);

            // create url to send
            String baseUrl = _apiUrl + word;
            URI restAPIURI = new URI(baseUrl + "?key=" + _apiKey);
            // create client
            HttpGet request = new HttpGet(restAPIURI);
            request.setHeader("Accept-Charset", "UTF-8");
            HttpResponse response = httpClient.execute(request);

            String responseXML = EntityUtils.toString(response.getEntity(), "UTF-8");
            return responseXML;

        } catch (Exception e) {
            _logger.error("Error Calling Dictionary rest API ", e);
        }
        return null;
    }

}