Android Open Source - helsinki-testbed2-android Apache Http Url Service

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License

The source code is released under:

GNU General Public License

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Java Source Code

package fi.testbed2.service.impl;
/*from  w  w  w.  j  a  v  a2s .  c o m*/
import com.google.inject.Singleton;
import fi.testbed2.R;
import fi.testbed2.android.app.Logger;
import fi.testbed2.android.task.exception.DownloadTaskException;
import fi.testbed2.service.HttpUrlService;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.StatusLine;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;

import java.io.IOException;
import java.io.InputStream;

/**
 * Service class for making HTTP requests.
 */
@Singleton
public class ApacheHttpUrlService implements HttpUrlService {

    public ApacheHttpUrlService() {
        Logger.debug("ApacheHttpUrlService instantiated");
    }

    public InputStream getInputStreamForHttpUrl(final String url) throws DownloadTaskException {

        try
        {

            Logger.debug("getInputStreamForHttpUrl: " + url);

            DefaultHttpClient client = new DefaultHttpClient();
            HttpGet httpGet = new HttpGet(url);
            HttpResponse response = client.execute(httpGet);
            StatusLine statusLine = response.getStatusLine();

            if(statusLine == null) {
                throw new DownloadTaskException(R.string.error_msg_http_status, "-1");
            }

            int statusCode = statusLine.getStatusCode();

            if(statusCode != HTTP_VALID_STATUS_CODE) {
                throw new DownloadTaskException(R.string.error_msg_http_status, ""+statusCode);
            }

            HttpEntity entity = response.getEntity();

            if(entity == null) {
                throw new DownloadTaskException(R.string.error_msg_http_error);
            }

            return entity.getContent();
        } catch(IllegalStateException e) {
            e.printStackTrace();
            throw new DownloadTaskException(R.string.error_msg_invalid_url, url);
        }
        catch(IllegalArgumentException e) {
            e.printStackTrace();
            throw new DownloadTaskException(R.string.error_msg_invalid_url, url);
        } catch (ClientProtocolException e) {
            e.printStackTrace();
            throw new DownloadTaskException(R.string.error_msg_http_error);
        } catch (IOException e) {
            e.printStackTrace();
            throw new DownloadTaskException(R.string.error_msg_http_error);
        }

    }

}

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