ConnectionTask.java

package net.hockeyapp.android.tasks;

import android.os.AsyncTask;

import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;

/**
 * <h3>Description</h3>
 *
 * Base class for asynchronous HTTP connections.
 *
 **/
public abstract class ConnectionTask<Params, Progress, Result> extends AsyncTask<Params, Progress, Result> {

    protected static String getStringFromConnection(HttpURLConnection connection) throws IOException {
        InputStream inputStream = new BufferedInputStream(connection.getInputStream());
        String jsonString = convertStreamToString(inputStream);
        inputStream.close();

        return jsonString;
    }

    private static String convertStreamToString(InputStream inputStream) {
        BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream), 1024);
        StringBuilder stringBuilder = new StringBuilder();

        String line = null;
        try {
            while ((line = reader.readLine()) != null) {
                stringBuilder.append(line + "\n");
            }
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            try {
                inputStream.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return stringBuilder.toString();
    }

}