it.av.wikipedia.client.WikipediaClient.java Source code

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Here is the source code for it.av.wikipedia.client.WikipediaClient.java

Source

package it.av.wikipedia.client;

/*
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import it.av.wikipedia.client.parameters.QueryParameters;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.ResponseHandler;
import org.apache.http.client.config.CookieSpecs;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

/**
 *
 * @author Diogo Regateiro <diogoregateiro@ua.pt>
 */
public class WikipediaClient {

    private final static String ENDPOINT = "https://en.wikipedia.org/w/api.php";

    public static String Query(QueryParameters params) {
        try (CloseableHttpClient httpclient = HttpClients.custom()
                .setDefaultRequestConfig(RequestConfig.custom().setCookieSpec(CookieSpecs.STANDARD).build())
                .build()) {
            StringBuilder url = new StringBuilder(ENDPOINT);
            url.append(params.toURLQueryString());

            //System.out.println("GET: " + url);
            HttpGet request = new HttpGet(url.toString());
            request.setHeader("User-Agent", "FACWikiTool");

            // Create a custom response handler
            ResponseHandler<String> responseHandler = (final HttpResponse response) -> {
                int status = response.getStatusLine().getStatusCode();
                if (status >= 200 && status < 300) {
                    HttpEntity entity = response.getEntity();
                    return entity != null ? EntityUtils.toString(entity) : null;
                } else {
                    throw new ClientProtocolException("Unexpected response status: " + status);
                }
            };

            return httpclient.execute(request, responseHandler);
        } catch (IOException ex) {
            Logger.getLogger(WikipediaClient.class.getName()).log(Level.SEVERE, null, ex);
            return null;
        }
    }
}