replace String fields for url & filePath in DownloadTask by RomSource

package ecorp.easy.installer.tasks;

import ecorp.easy.installer.AppConstants;

import ecorp.easy.installer.models.RomSource;

import java.io.BufferedReader;

import java.io.File;

import java.io.FileInputStream;

 * @author Ingo

 */

public class DownloadTask extends Task<Boolean>{

    private final static String checkSumExtension = ".sha256sum";

    private final static String CHECKSUM_EXT = ".sha256sum";

    private final static Logger logger = LoggerFactory.getLogger(DownloadTask.class);

    /**

     * Constant size

     */

    private static final long[] CST_SIZE = {1024, 1024*1024, 1024*1024*1024, 1024*1024*1024*1024};

    /**

     * Constants units

     */

    private static final String[] CST_UNITS = {"KB", "MB", "GB", "TB"};

    final private ResourceBundle i18n;

    final private String targetUrl;

    final private String fileName;

    final private RomSource source; //encapsulate URL & filename

    /**

     * COnstruction of the download task

     * @param targetUrl the web path to the resource

     * @param fileName name of the file

     * Construction of the download task

     * @param source RomSource instance containing URL & filename

     * @param resources used to send already translated message

     */

    public DownloadTask(String targetUrl, String fileName, ResourceBundle resources){

        this.targetUrl = targetUrl;

        this.fileName = fileName;

    public DownloadTask(RomSource source, ResourceBundle resources){

        this.source = source;

        this.i18n = resources;

    }

    /**

     * @inheritDoc 

     * @TODO split below content in different method

     * @return Boolean object

     * @throws Exception 

     * @throws java.lang.Exception

     * @inheritDoc

     */

    @Override

    protected Boolean call() throws Exception {

        //build local filePath

        final String fileName = source.getFileName();

        final String localFilePath = AppConstants.getSourcesFolderPath()+fileName;

        //Check if already exist and integrity

        final String checksumFilePath = localFilePath+checkSumExtension;

        final String checksumFilePath = localFilePath+CHECKSUM_EXT;

        if(isCancelled()) return false;

        this.updateTitle("Downloading "+fileName+checkSumExtension);

        updateTitle("Downloading "+fileName+CHECKSUM_EXT);

        File checksumLmdFile = new File(AppConstants.getSourcesFolderPath()+"lmd."+fileName+checkSumExtension);

        File checksumLmdFile = new File(AppConstants.getSourcesFolderPath()+"lmd."+fileName+CHECKSUM_EXT);

        checksumLmdFile.createNewFile();

        // Download checksum. If file not downloaded return false and stop downloadin because integrity isn't guaranteed

        if( !downloadFile(targetUrl+checkSumExtension, checksumFilePath,checksumLmdFile) ){

        if( !downloadFile(source.getUrl()+CHECKSUM_EXT, checksumFilePath,checksumLmdFile) ){

            updateMessage(i18n.getString("download_lbl_cantcheckIntegrity"));

            return false;

        }

        if(isCancelled()) return false;

        this.updateTitle("Downloading "+fileName);

        updateTitle("Downloading "+fileName);

        final String tmpFilePath = AppConstants.getSourcesFolderPath()+"tmp."+fileName;

        File lmdFile = new File(AppConstants.getSourcesFolderPath()+"lmd."+fileName); //used to Store last modified Date of remote content

        lmdFile.createNewFile();

        if ( downloadFile(targetUrl, tmpFilePath, lmdFile) )//Download file

        if ( downloadFile(source.getUrl(), tmpFilePath, lmdFile) )//Download file

        {

            logger.debug("Downloaded succeed. Rename temp file to right fileName");

            File tmpFile = new File(tmpFilePath);

                        updateProgress(-1, 1);

                        updateMessage(i18n.getString("download_lbl_connectionLost"));

                    }

                }catch(Exception e){

                }catch(InterruptedException e){

                    stop = true;

                    logger.error("TimeoutThread crashed: "+e.toString());

                }