cm.aptoide.pt.data.webservices.ManagerDownloads.java Source code

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Here is the source code for cm.aptoide.pt.data.webservices.ManagerDownloads.java

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/**
 * ManagerDownloads,      auxilliary class to Aptoide's ServiceData
 * Copyright (C) 2011  Duarte Silveira
 * duarte.silveira@caixamagica.pt
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/

package cm.aptoide.pt.data.webservices;

import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeoutException;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.zip.GZIPInputStream;

import org.apache.http.HttpResponse;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;

import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.util.Log;
import android.widget.Toast;
import cm.aptoide.pt.EnumAppsSorting;
import cm.aptoide.pt.R;
import cm.aptoide.pt.data.AptoideServiceData;
import cm.aptoide.pt.data.ViewClientStatistics;
import cm.aptoide.pt.data.cache.ManagerCache;
import cm.aptoide.pt.data.cache.ViewCache;
import cm.aptoide.pt.data.model.ViewAppDownloadInfo;
import cm.aptoide.pt.data.model.ViewLogin;
import cm.aptoide.pt.data.model.ViewRepository;
import cm.aptoide.pt.data.notifications.EnumNotificationTypes;
import cm.aptoide.pt.data.notifications.ViewNotification;
import cm.aptoide.pt.data.util.Constants;
import cm.aptoide.pt.data.xml.EnumInfoType;
import cm.aptoide.pt.debug.exceptions.AptoideExceptionDownload;
import cm.aptoide.pt.debug.exceptions.AptoideExceptionNotFound;

/**
 * ManagerDownloads, centralizes all download processes
 * 
 * @author dsilveira
 * @since 3.0
 *
 */
public class ManagerDownloads {

    private AptoideServiceData serviceData;
    private ManagerCache managerCache;
    private ConnectivityManager connectivityState;

    /** Ongoing */
    //   private HashMap<Integer, ViewDownload> downloads;

    /** Waiting **/
    private IconsDownloadManager iconsDownloadManager;
    private ScreensDownloadManager screensDownloadManager;
    //   private apksDownloadManager apksDownloadManager;

    /** Object reuse pool */
    private ArrayList<ViewDownload> downloadPool;

    //   private final static int KBYTES_TO_BYTES = 1024;               // moved to constants.xml
    //   private HashMap<Integer, HashMap<String, String>> notifications;   //TODO move to notifications within ServiceData
    //   private NotificationManager notificationManager;               //TODO move to notifications within ServiceData
    //   private Context context;                                 //TODO deprecate
    //   private WakeLock keepScreenOn;                              //moved to ServiceData

    private class IconsDownloadManager {
        private ExecutorService iconGettersPool;
        private AtomicInteger iconsDownloadedCounter;

        public IconsDownloadManager() {
            iconGettersPool = Executors.newFixedThreadPool(Constants.MAX_PARALLEL_DOWNLOADS);
            iconsDownloadedCounter = new AtomicInteger(0);
        }

        public void executeDownload(ViewDownload downloadInfo) {
            iconGettersPool.execute(new GetIcon(downloadInfo));
        }

        private class GetIcon implements Runnable {

            private ViewDownload iconDownload;

            public GetIcon(ViewDownload iconDownloadInfo) {
                this.iconDownload = iconDownloadInfo;
            }

            @Override
            public void run() {
                //            downloads.put(download.getNotification().getNotificationHashid(), download);
                Thread.currentThread().setPriority(Thread.MIN_PRIORITY);

                try {
                    download(iconDownload, false);
                } catch (Exception e) {
                    try {
                        download(iconDownload, false);
                    } catch (Exception e2) {
                    }
                }

                recicleViewDownload(iconDownload);
                if (iconsDownloadedCounter.incrementAndGet() >= Constants.ICONS_REFRESH_INTERVAL) {
                    iconsDownloadedCounter.set(0);
                    serviceData.refreshAvailableDisplay();
                }
            }

        }
    }

    private class ScreensDownloadManager {
        private ExecutorService screenGettersPool;
        private AtomicInteger screensDownloadedCounter;

        public ScreensDownloadManager() {
            screenGettersPool = Executors.newFixedThreadPool(Constants.MAX_PARALLEL_DOWNLOADS);
            screensDownloadedCounter = new AtomicInteger(0);
        }

        public void executeDownload(ViewDownload downloadInfo, int screensNumber, int orderNumber) {
            screenGettersPool.execute(new GetScreen(downloadInfo, screensNumber, orderNumber));
        }

        private class GetScreen implements Runnable {

            private ViewDownload screenDownload;
            private int screensNumber;
            private int orderNumber;

            public GetScreen(ViewDownload screenDownload, int screensNumber, int orderNumber) {
                this.screenDownload = screenDownload;
                this.screensNumber = screensNumber;
                this.orderNumber = orderNumber;
            }

            @Override
            public void run() {
                //            downloads.put(download.getNotification().getNotificationHashid(), download);
                Thread.currentThread().setPriority(Thread.MIN_PRIORITY);

                try {
                    download(screenDownload, false);
                } catch (Exception e) {
                    try {
                        download(screenDownload, false);
                    } catch (Exception e2) {
                    }
                }

                if (orderNumber >= screensNumber) {
                    serviceData.gettingAppScreensFinished(screenDownload.getNotification().getTargetsHashid());
                }
                recicleViewDownload(screenDownload);
            }

        }
    }

    public ManagerCache getManagerCache() {
        return this.managerCache;
    }

    private ViewClientStatistics getClientStatistics() {
        return serviceData.getStatistics();
    }

    private String getServerUsername() {
        return serviceData.getManagerPreferences().getServerLogin().getUsername();
    }

    private String getUserAgentString() {
        ViewClientStatistics clientStatistics = getClientStatistics();
        return String.format(Constants.USER_AGENT_FORMAT, clientStatistics.getAptoideVersionNameInUse(),
                clientStatistics.getScreenDimensions().getFormattedString(),
                clientStatistics.getAptoideClientUUID(), getServerUsername());
    }

    public ManagerDownloads(AptoideServiceData serviceData) {
        this.serviceData = serviceData;
        managerCache = new ManagerCache();

        connectivityState = (ConnectivityManager) serviceData.getSystemService(Context.CONNECTIVITY_SERVICE);

        iconsDownloadManager = new IconsDownloadManager();
        screensDownloadManager = new ScreensDownloadManager();

        this.downloadPool = new ArrayList<ViewDownload>(Constants.MAX_PARALLEL_DOWNLOADS);

        Log.d("Aptoide", "******* \n Downloads will be made to: " + Constants.PATH_CACHE + "\n ********");
    }

    //TODO refactor all this to reduce data redundancy and memory waste
    public synchronized ViewDownload getNewViewDownload(String remotePath, ViewCache cache,
            ViewNotification notification) {
        ViewDownload download;
        if (downloadPool.isEmpty()) {
            download = new ViewDownload(remotePath, cache, notification);
        } else {
            ViewDownload viewDownload = downloadPool.remove(Constants.FIRST_ELEMENT);
            viewDownload.reuse(remotePath, cache, notification);
            download = viewDownload;
        }
        //      downloads.put(notification.getNotificationHashid(), download);   //TODO check for concurrency issues
        return download;
    }

    public synchronized ViewDownload getNewViewDownload(String remotePath, ViewLogin login, ViewCache cache,
            ViewNotification notification) {
        ViewDownload download;
        if (downloadPool.isEmpty()) {
            download = new ViewDownload(remotePath, login, cache, notification);
        } else {
            ViewDownload viewDownload = downloadPool.remove(Constants.FIRST_ELEMENT);
            viewDownload.reuse(remotePath, login, cache, notification);
            download = viewDownload;
        }
        //      downloads.put(notification.getNotificationHashid(), download);   //TODO check for concurrency issues
        return download;
    }

    public synchronized ViewDownload getNewViewDownload(String remotePath, int size, ViewLogin login,
            ViewCache cache, ViewNotification notification) {
        ViewDownload download;
        if (downloadPool.isEmpty()) {
            download = new ViewDownload(remotePath, size, login, cache, notification);
        } else {
            ViewDownload viewDownload = downloadPool.remove(Constants.FIRST_ELEMENT);
            viewDownload.reuse(remotePath, size, login, cache, notification);
            download = viewDownload;
        }
        //      downloads.put(notification.getNotificationHashid(), download);   //TODO check for concurrency issues
        return download;
    }

    public synchronized ViewDownload getNewViewDownload(String remotePath, int size, ViewCache cache,
            ViewNotification notification) {
        ViewDownload download;
        if (downloadPool.isEmpty()) {
            download = new ViewDownload(remotePath, size, cache, notification);
        } else {
            ViewDownload viewDownload = downloadPool.remove(Constants.FIRST_ELEMENT);
            viewDownload.reuse(remotePath, size, cache, notification);
            download = viewDownload;
        }
        //      downloads.put(notification.getNotificationHashid(), download);   //TODO check for concurrency issues
        return download;
    }

    public synchronized void recicleViewDownload(ViewDownload download) {
        //      serviceData.getManagerNotifications().recycleNotification(download.getNotification());
        download.clean();
        downloadPool.add(download);
    }

    public boolean isConnectionAvailable() {
        boolean connectionAvailable = false;
        try {
            connectionAvailable = connectivityState.getNetworkInfo(0).getState() == NetworkInfo.State.CONNECTED;
            Log.d("ManagerDownloads", "isConnectionAvailable mobile: " + connectionAvailable);
        } catch (Exception e) {
        }
        try {
            connectionAvailable = connectionAvailable
                    || connectivityState.getNetworkInfo(1).getState() == NetworkInfo.State.CONNECTED;
            Log.d("ManagerDownloads", "isConnectionAvailable wifi: " + connectionAvailable);
        } catch (Exception e) {
        }
        try {
            connectionAvailable = connectionAvailable
                    || connectivityState.getNetworkInfo(6).getState() == NetworkInfo.State.CONNECTED;
            Log.d("ManagerDownloads", "isConnectionAvailable wimax: " + connectionAvailable);
        } catch (Exception e) {
        }
        try {
            connectionAvailable = connectionAvailable
                    || connectivityState.getNetworkInfo(9).getState() == NetworkInfo.State.CONNECTED;
            Log.d("ManagerDownloads", "isConnectionAvailable ethernet: " + connectionAvailable);
        } catch (Exception e) {
        }

        return connectionAvailable;
    }

    public boolean isPermittedConnectionAvailable(ViewIconDownloadPermissions permissions) {
        boolean connectionAvailable = false;
        if (permissions.isWiFi()) {
            try {
                connectionAvailable = connectionAvailable
                        || connectivityState.getNetworkInfo(1).getState() == NetworkInfo.State.CONNECTED;
                Log.d("ManagerDownloads", "isPermittedConnectionAvailable wifi: " + connectionAvailable);
            } catch (Exception e) {
            }
        }
        if (permissions.isWiMax()) {
            try {
                connectionAvailable = connectionAvailable
                        || connectivityState.getNetworkInfo(6).getState() == NetworkInfo.State.CONNECTED;
                Log.d("ManagerDownloads", "isPermittedConnectionAvailable wimax: " + connectionAvailable);
            } catch (Exception e) {
            }
        }
        if (permissions.isMobile()) {
            try {
                connectionAvailable = connectionAvailable
                        || connectivityState.getNetworkInfo(0).getState() == NetworkInfo.State.CONNECTED;
                Log.d("ManagerDownloads", "isPermittedConnectionAvailable mobile: " + connectionAvailable);
            } catch (Exception e) {
            }
        }
        if (permissions.isEthernet()) {
            try {
                connectionAvailable = connectionAvailable
                        || connectivityState.getNetworkInfo(9).getState() == NetworkInfo.State.CONNECTED;
                Log.d("ManagerDownloads", "isPermittedConnectionAvailable ethernet: " + connectionAvailable);
            } catch (Exception e) {
            }
        }

        Log.d("ManagerDownloads",
                "isPermittedConnectionAvailable: " + connectionAvailable + "  permissions: " + permissions);
        return connectionAvailable;
    }

    public ViewCache downloadLatestVersionInfo() {
        ViewCache cache = managerCache.getNewLatestVersionDownloadViewCache();
        ViewNotification notification = serviceData.getManagerNotifications().getNewViewNotification(
                EnumNotificationTypes.GET_UPDATE, serviceData.getString(R.string.self_update),
                R.string.self_update);
        ViewDownload download = getNewViewDownload(Constants.URI_LATEST_VERSION_XML, cache, notification);

        try {
            download(download, true);
        } catch (Exception e) {
            download(download, true);
        }

        return cache;
    }

    public boolean isIconCached(int appHashid) {
        return managerCache.isIconCached(appHashid);
    }

    public void getIcon(ViewDownloadInfo iconInfo, boolean isLoginRequired, ViewLogin login) {
        ViewDownload download;
        ViewCache cache = managerCache.getNewIconViewCache(iconInfo.getAppHashid());
        ViewNotification notification = serviceData.getManagerNotifications().getNewViewNotification(
                EnumNotificationTypes.GET_ICONS, iconInfo.getAppName(), iconInfo.getAppHashid());

        if (isLoginRequired) {
            download = getNewViewDownload(iconInfo.getRemotePath(), login, cache, notification);
        } else {
            download = getNewViewDownload(iconInfo.getRemotePath(), cache, notification);
        }
        iconsDownloadManager.executeDownload(download);
    }

    public void getRepoIcons(ViewDownloadStatus downloadStatus, ArrayList<ViewDownloadInfo> iconsInfo) {
        Log.d("Aptoide-ManagerDownloads", "getRepoIcons ");

        for (ViewDownloadInfo iconInfo : iconsInfo) {
            if (isIconCached(iconInfo.getAppHashid())) {
                continue;
            } else {
                getIcon(iconInfo, downloadStatus.getRepository().isLoginRequired(),
                        downloadStatus.getRepository().getLogin());
            }
        }

        downloadStatus.incrementOffset(serviceData.getDisplayListsDimensions().getCacheSize());
        serviceData.getRepoIcons(downloadStatus);

    }

    public boolean isScreenCached(int appHashid, int orderNumber) {
        return managerCache.isScreenCached(appHashid, orderNumber);
    }

    public void getScreen(ViewDownloadInfo screenInfo, boolean isLoginRequired, ViewLogin login, int screensNumber,
            int orderNumber) {
        ViewDownload download;
        ViewCache cache = managerCache.getNewScreenViewCache(screenInfo.getAppHashid(), orderNumber);
        ViewNotification notification = serviceData.getManagerNotifications().getNewViewNotification(
                EnumNotificationTypes.GET_SCREENS, screenInfo.getAppName(), screenInfo.getAppHashid());

        if (isLoginRequired) {
            download = getNewViewDownload(screenInfo.getRemotePath(), login, cache, notification);
        } else {
            download = getNewViewDownload(screenInfo.getRemotePath(), cache, notification);
        }
        screensDownloadManager.executeDownload(download, screensNumber, orderNumber);
    }

    public void getAppScreens(ViewRepository repository, ArrayList<ViewDownloadInfo> screensInfo) {
        if (screensInfo == null || !(screensInfo.size() > 0)) {
            return;
        }
        int orderNumber = 1;
        for (ViewDownloadInfo screenInfo : screensInfo) {
            Log.d("Aptoide-ManagerDownloads", "getAppScreens screen: " + screenInfo);
            if (isScreenCached(screenInfo.getAppHashid(), orderNumber)) {
                orderNumber++;
                if (orderNumber > screensInfo.size()) {
                    serviceData.gettingAppScreensFinished(screenInfo.getAppHashid());
                }
                continue;
            } else {
                getScreen(screenInfo, repository.isLoginRequired(), repository.getLogin(), screensInfo.size(),
                        orderNumber);
                orderNumber++;
                if (orderNumber > screensInfo.size()) {
                    serviceData.gettingAppScreensFinished(screenInfo.getAppHashid());
                }
            }

        }
    }

    public ViewCache startRepoDeltaDownload(ViewRepository repository) {
        return startRepoDownload(repository, EnumInfoType.DELTA);
    }

    public ViewCache startRepoBareDownload(ViewRepository repository) {
        return startRepoDownload(repository, EnumInfoType.BARE);
    }

    public ViewCache startRepoDownloadDownload(ViewRepository repository) {
        return startRepoDownload(repository, EnumInfoType.DOWNLOAD);
    }

    public ViewCache startRepoIconDownload(ViewRepository repository) {
        return startRepoDownload(repository, EnumInfoType.ICON);
    }

    //   public ViewCache startRepoAppDownloads(ViewRepository repository){
    //      return startRepoDownload(repository, EnumInfoType.DOWNLOAD);
    //   }

    //   public ViewCache startRepoExtraDownload(ViewRepository repository){
    //      return startRepoDownload(repository, EnumInfoType.EXTRAS);
    //   }

    public ViewCache startRepoStatsDownload(ViewRepository repository) {
        return startRepoDownload(repository, EnumInfoType.STATS);
    }

    public ViewCache startRepoDownload(ViewRepository repository, EnumInfoType infoType) {
        ViewCache cache = null;
        ViewNotification notification = null;
        ViewDownload download;

        String repoName = repository.getRepoName();
        String xmlRemotePath = null;

        switch (infoType) {
        case DELTA: //TODO info=bare+icon&
            xmlRemotePath = repository.getUri() + Constants.PATH_REPO_INFO_XML
                    + "info=bare+icon&unix_timestamp=true&show_apphashid=true&hash=" + repository.getDelta();
            cache = managerCache.getNewRepoDeltaViewCache(repository.getHashid());
            break;

        case BARE:
            xmlRemotePath = repository.getUri() + Constants.PATH_REPO_INFO_XML + "info=bare&unix_timestamp=true";
            //            xmlRemotePath = "http://aptoide.com/teste/apps.xml";
            //            xmlRemotePath = "http://aptoide.com/testing/xml/info.xml";
            cache = managerCache.getNewRepoBareViewCache(repository.getHashid());
            notification = serviceData.getManagerNotifications().getNewViewNotification(
                    EnumNotificationTypes.REPO_BARE_DOWNLOAD, repoName, repository.getHashid());
            break;

        case DOWNLOAD:
            xmlRemotePath = repository.getUri() + Constants.PATH_REPO_INFO_XML
                    + "info=download&show_apphashid=true";
            cache = managerCache.getNewRepoDownloadViewCache(repository.getHashid());
            notification = serviceData.getManagerNotifications()
                    .getNewViewNotification(EnumNotificationTypes.REPO_UPDATE, repoName, repository.getHashid());
            break;

        case ICON:
            xmlRemotePath = repository.getUri() + Constants.PATH_REPO_INFO_XML + "info=icon&show_apphashid=true";
            //            xmlRemotePath = "http://aptoide.com/testing/xml/info_icon.xml";
            cache = managerCache.getNewRepoIconViewCache(repository.getHashid());
            break;

        //         case DOWNLOAD:
        ////            xmlPath = repository.getUri()+Constants.PATH_REPO_INFO_XML+"?info=download";   //TODO implement rest of args
        //            xmlRemotePath = "http://aptoide.com/testing/xml/info_download.xml";
        //            cache = managerCache.getNewRepoDownloadViewCache(repository.getHashid());
        //            break;

        case STATS:
            xmlRemotePath = repository.getUri() + Constants.PATH_REPO_STATS_XML + "show_apphashid=true";
            //            xmlRemotePath = "http://aptoide.com/testing/xml/stats.xml";
            cache = managerCache.getNewRepoStatsViewCache(repository.getHashid());
            break;

        //         case EXTRAS:
        ////            xmlPath = repository.getUri()+Constants.PATH_REPO_EXTRAS_XML;   //TODO implement rest of args
        //            xmlRemotePath = "http://aptoide.com/testing/xml/extras.xml";
        //            cache = managerCache.getNewRepoExtrasViewCache(repository.getHashid());
        //            break;

        default:
            break;
        }
        if (!infoType.equals(EnumInfoType.BARE)) {
            notification = serviceData.getManagerNotifications()
                    .getNewViewNotification(EnumNotificationTypes.REPO_UPDATE, repoName, repository.getHashid());
        }
        if (!infoType.equals(EnumInfoType.DELTA)) {
            EnumAppsSorting bareSortingPolicy = EnumAppsSorting
                    .reverseOrdinal(serviceData.getManagerPreferences().getAppsSortingPolicy());
            switch (bareSortingPolicy) {
            case ALPHABETIC:
                xmlRemotePath += "&order_by=alphabetic&order_direction=ascending";
                break;
            case FRESHNESS:
                xmlRemotePath += "&order_by=freshness&order_direction=descending";
                break;
            case STARS:
                xmlRemotePath += "&order_by=rating&order_direction=descending";
                break;
            case DOWNLOADS:
                xmlRemotePath += "&order_by=downloads&order_direction=descending";
                break;

            default:
                break;
            }
        }
        if (repository.isLoginRequired()) {
            xmlRemotePath += "&username=" + repository.getLogin().getUsername() + "&password="
                    + repository.getLogin().getPassword();
        }
        //      if(repository.isLoginRequired()){
        //         download = getNewViewDownload(xmlRemotePath, repository.getLogin(), cache, notification);
        //      }else{
        download = getNewViewDownload(xmlRemotePath, cache, notification);
        //      }

        try {
            download(download, true);
        } catch (Exception e) {
            download(download, true);
        }

        return cache;
    }

    public ViewCache startRepoAppDownload(ViewRepository repository, int appHashid, EnumInfoType infoType) {
        ViewCache cache = null;
        ViewNotification notification;
        ViewDownload download;

        String repoName = repository.getUri().substring(Constants.SKIP_URI_PREFIX)
                .split("\\.")[Constants.FIRST_ELEMENT];
        String xmlRemotePath = null;

        switch (infoType) {
        case DOWNLOAD:
            String infoRequest = "info=download";
            if (!isIconCached(appHashid)) {
                infoRequest += "+icon";
            }
            xmlRemotePath = repository.getUri() + Constants.PATH_REPO_INFO_XML + infoRequest
                    + "&show_apphashid=true&apphashid=" + appHashid;
            //            xmlRemotePath = "http://aptoide.com/testing/xml/info_download.xml";
            cache = managerCache.getNewRepoAppDownloadViewCache(repository.getHashid(), appHashid);
            break;

        case EXTRAS:
            xmlRemotePath = repository.getUri() + Constants.PATH_REPO_EXTRAS_XML + "show_apphashid=true&apphashid="
                    + appHashid;
            //            xmlRemotePath = "http://aptoide.com/testing/xml/extras.xml";
            cache = managerCache.getNewRepoAppExtrasViewCache(repository.getHashid(), appHashid);
            break;

        case STATS:
            xmlRemotePath = repository.getUri() + Constants.PATH_REPO_STATS_XML + "show_apphashid=true&apphashid="
                    + appHashid;
            //            xmlRemotePath = "http://aptoide.com/testing/xml/stats.xml";
            cache = managerCache.getNewRepoAppStatsViewCache(repository.getHashid(), appHashid);
            break;

        case COMMENTS:
            xmlRemotePath = String.format(Constants.URI_FORMAT_COMMENTS_WS,
                    URLEncoder.encode(repository.getRepoName()), URLEncoder.encode(Integer.toString(appHashid)));
            cache = managerCache.getNewRepoAppCommentsViewCache(repository.getHashid(), appHashid);
            break;

        default:
            break;
        }
        Log.d("Aptoide-ManagerDownloads", "xmlRemotePath: " + xmlRemotePath);

        notification = serviceData.getManagerNotifications()
                .getNewViewNotification(EnumNotificationTypes.REPO_APP_UPDATE, repoName, appHashid);
        if (repository.isLoginRequired() && !infoType.equals(EnumInfoType.COMMENTS)) {
            xmlRemotePath += "&username=" + repository.getLogin().getUsername() + "&password="
                    + repository.getLogin().getPassword();
        }
        //         download = getNewViewDownload(xmlRemotePath, repository.getLogin(), cache, notification);
        //      }else{
        download = getNewViewDownload(xmlRemotePath, cache, notification);
        //      }

        try {
            download(download, true);
        } catch (Exception e) {
            download(download, true);
        }

        return cache;
    }

    public ViewCache repoAppDownload(ViewRepository repository, int appHashid) {
        ViewCache cache = null;
        String xmlRemotePath = repository.getUri() + Constants.PATH_REPO_INFO_XML
                + "info=download&show_apphashid=true&apphashid=" + appHashid;

        Log.d("Aptoide-ManagerDownloads repoAppDownload: ", xmlRemotePath);

        try {
            URL endpoint = new URL(xmlRemotePath);
            HttpURLConnection connection = (HttpURLConnection) endpoint.openConnection(); //Careful with UnknownHostException. Throws MalformedURLException, IOException

            connection.setRequestMethod("GET");
            connection.setRequestProperty("Accept", "application/xml");
            connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
            //         connection.setConnectTimeout(TIME_OUT);

            //         connection.setRequestProperty("User-Agent", getUserAgentString());

            ViewAppDownloadInfo downloadInfo = serviceData.getManagerXml().dom.parseRepoAppDownloadXml(connection,
                    repository.getHashid());
            ViewDownload download = null;
            if (repository.isLoginRequired()) { //TODO getAppName and appHashid (take it out of ViewAppDownloadInfo where it doesn't belong)
                download = prepareApkDownload(downloadInfo.getAppHashid(), "update " + downloadInfo.getAppHashid(),
                        repository.getBasePath() + downloadInfo.getRemotePathTail(), repository.getLogin(),
                        downloadInfo.getSize(), downloadInfo.getMd5hash());
            } else {
                download = prepareApkDownload(downloadInfo.getAppHashid(), "update " + downloadInfo.getAppHashid(),
                        repository.getBasePath() + downloadInfo.getRemotePathTail(), downloadInfo.getSize(),
                        downloadInfo.getMd5hash());
            }
            cache = downloadApk(download);

        } catch (MalformedURLException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (Exception e) {
            // TODO: handle exception
        }

        return cache;
    }

    public ViewCache downloadMyapp(String uriString, String myappName) {
        ViewCache cache = managerCache.getNewMyappDownloadViewCache(myappName);
        if (!managerCache.isMyAppCached(myappName)) {
            ViewNotification notification = serviceData.getManagerNotifications()
                    .getNewViewNotification(EnumNotificationTypes.GET_MYAPP, "myapp", myappName.hashCode());
            ViewDownload download = getNewViewDownload(uriString, cache, notification);

            try {
                download(download, false);
            } catch (Exception e) {
                download(download, false);
            }

        }
        return cache;
    }

    public ViewDownload prepareApkDownload(int appHashid, String appName, String remotePath, ViewLogin login,
            int size, String md5Hash) {
        ViewCache cache = managerCache.getNewAppViewCache(appHashid, md5Hash);
        ViewNotification notification = serviceData.getManagerNotifications()
                .getNewViewNotification(EnumNotificationTypes.GET_APP, appName, appHashid, size);
        return getNewViewDownload(remotePath, size, login, cache, notification);
    }

    public ViewDownload prepareApkDownload(int appHashid, String appName, String remotePath, int size,
            String md5Hash) {
        ViewCache cache = managerCache.getNewAppViewCache(appHashid, md5Hash);
        ViewNotification notification = serviceData.getManagerNotifications()
                .getNewViewNotification(EnumNotificationTypes.GET_APP, appName, appHashid, size);
        return getNewViewDownload(remotePath, size, cache, notification);
    }

    public ViewCache downloadApk(ViewDownload download) {
        //      Log.d("Aptoide-ManagerDownloads", "apk download: "+download.getCache());
        if (!getManagerCache().isApkCached(download.getNotification().getTargetsHashid())
                || !getManagerCache().md5CheckOk(download.getCache())) {
            try {
                download(download, false);
            } catch (Exception e) {
                try {
                    download(download, false);
                } catch (Exception e2) {
                    download(download, false);
                }
            }
        }
        Log.d("Aptoide-ManagerDownloads", "apk download: " + download.getNotification().getTargetsHashid());

        return download.getCache();
    }

    //TODO refactor magic numbers, logs and exceptions
    private void download(ViewDownload download, boolean overwriteCache) {
        ViewCache localCache = download.getCache();
        ViewNotification notification = download.getNotification();

        String localPath = localCache.getLocalPath();
        String remotePath = download.getRemotePath();
        int targetBytes;

        FileOutputStream fileOutputStream = null;

        try {
            fileOutputStream = new FileOutputStream(localPath, !overwriteCache);
            DefaultHttpClient httpClient = new DefaultHttpClient();
            HttpGet httpGet = new HttpGet(remotePath);
            Log.d("Aptoide-download", "downloading from: " + remotePath + " to: " + localPath);
            //         Log.d("Aptoide-download","downloading with: "+getUserAgentString()+" login: "+download.isLoginRequired());

            //         httpGet.setHeader("User-Agent", getUserAgentString());   //TODO is consistently getting 404 from server

            String resumeLength = Long.toString(download.getCache().getFile().length());
            int resumeLengthInt = Integer.parseInt(resumeLength);
            if (!overwriteCache) {
                Log.d("Aptoide-download", "downloading from [bytes]: " + resumeLength);
                httpGet.setHeader("Range", "bytes=" + resumeLength + "-");
                notification.incrementProgress(resumeLengthInt);
            }

            if (download.isLoginRequired()) { //TODO refactor using username/password args when using webservices (only exception left is when getting hard-disk files)
                URL url = new URL(remotePath);
                httpClient.getCredentialsProvider().setCredentials(new AuthScope(url.getHost(), url.getPort()),
                        new UsernamePasswordCredentials(download.getLogin().getUsername(),
                                download.getLogin().getPassword()));
            }

            HttpResponse httpResponse = httpClient.execute(httpGet);
            if (httpResponse == null) {
                Log.d("Aptoide-ManagerDownloads", "Problem in network... retry...");
                httpResponse = httpClient.execute(httpGet);
                if (httpResponse == null) {
                    Log.d("Aptoide-ManagerDownloads", "Major network exception... Exiting!");
                    /*msg_al.arg1= 1;
                        download_error_handler.sendMessage(msg_al);*/
                    throw new TimeoutException();
                }
            }

            if (httpResponse.getStatusLine().getStatusCode() == 401) {
                Log.d("Aptoide-ManagerDownloads", "401 Time out!");
                fileOutputStream.close();
                managerCache.clearCache(download.getCache());
                throw new TimeoutException();
            } else if (httpResponse.getStatusLine().getStatusCode() == 404) {
                fileOutputStream.close();
                managerCache.clearCache(download.getCache());
                throw new AptoideExceptionNotFound("404 Not found!");
            } else {

                Log.d("Aptoide-ManagerDownloads",
                        "Download target size: " + notification.getProgressCompletionTarget());

                //            if(download.isSizeKnown()){
                //               targetBytes = download.getSize()*Constants.KBYTES_TO_BYTES;   //TODO check if server sends kbytes or bytes
                //               notification.setProgressCompletionTarget(targetBytes);
                //            }else{

                if (httpResponse.containsHeader("Content-Length") && resumeLengthInt != 0) {
                    targetBytes = Integer.parseInt(httpResponse.getFirstHeader("Content-Length").getValue());
                    Log.d("Aptoide-ManagerDownloads", "targetBytes: " + targetBytes);
                    //               notification.setProgressCompletionTarget(targetBytes);
                }
                //            }

                InputStream inputStream = null;

                if ((httpResponse.getEntity().getContentEncoding() != null)
                        && (httpResponse.getEntity().getContentEncoding().getValue().equalsIgnoreCase("gzip"))) {

                    Log.d("Aptoide-ManagerDownloads", "with gzip");
                    inputStream = new GZIPInputStream(httpResponse.getEntity().getContent());

                } else {

                    //               Log.d("Aptoide-ManagerDownloads","No gzip");
                    inputStream = httpResponse.getEntity().getContent();

                }

                byte data[] = new byte[8096];
                int bytesRead;

                while ((bytesRead = inputStream.read(data, 0, 8096)) > 0) {
                    notification.incrementProgress(bytesRead);
                    fileOutputStream.write(data, 0, bytesRead);
                }
                Log.d("Aptoide-ManagerDownloads",
                        "Download done! Name: " + notification.getActionsTargetName() + " localPath: " + localPath);
                notification.setCompleted(true);
                fileOutputStream.flush();
                fileOutputStream.close();
                inputStream.close();

                if (localCache.hasMd5Sum()) {
                    getManagerCache().md5CheckOk(localCache);
                    //TODO md5check boolean return handle  by  raising exception
                }

            }
        } catch (Exception e) {
            try {
                fileOutputStream.flush();
                fileOutputStream.close();
            } catch (Exception e1) {
            }
            e.printStackTrace();
            if (notification.getNotificationType().equals(EnumNotificationTypes.GET_APP)
                    && download.getCache().getFile().length() > 0) {
                notification.setCompleted(true);
                serviceData.scheduleInstallApp(notification.getTargetsHashid());
            }
            throw new AptoideExceptionDownload(e);
        }
    }

}