Back to project page dCache-Cloud.
The source code is released under:
Copyright ? 2013, Michael Stapelberg and contributors All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following ...
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package de.desy.dCacheCloud; /*from w w w . j a v a 2s.co m*/ import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.net.URI; import java.security.KeyManagementException; import java.security.KeyStoreException; import java.security.NoSuchAlgorithmException; import java.security.UnrecoverableKeyException; import java.security.cert.CertificateException; import java.util.ArrayList; import java.util.Arrays; import java.util.List; import org.apache.http.HttpResponse; import org.apache.http.client.ClientProtocolException; import org.apache.http.client.methods.HttpGet; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.impl.client.DefaultRedirectHandler; import org.apache.http.protocol.HttpContext; import android.app.Dialog; import android.app.IntentService; import android.app.NotificationManager; import android.content.Context; import android.content.Intent; import android.content.SharedPreferences; import android.net.ConnectivityManager; import android.net.NetworkInfo; import android.net.Uri; import android.os.Environment; import android.support.v4.app.NotificationCompat; import android.support.v4.app.NotificationCompat.Builder; import android.util.Log; import android.widget.ProgressBar; import android.widget.TextView; import android.widget.Toast; //import android.app.Notification.Builder; public class DownloadService extends IntentService { ProgressBar pb; Dialog dialog; int downloadSize = 0; int totalSize = 0; TextView cur_val; String downloadFilePath; String fileName = null; private NotificationManager mNotificationManager = null; private HttpGet httpGet = null; private DefaultHttpClient httpClient = null; private boolean isRedirected = false; private List<String> target = new ArrayList<String>(); private Builder NotificationFailurePrepare(String text) { Builder mBuilder = new Builder(this); mBuilder.setContentText(fileName + ": " + text); mBuilder.setContentTitle("Error uploading to dCache server"); mBuilder.setProgress(0, 0, false); mBuilder.setOngoing(false); return mBuilder; } private NotificationCompat.Builder NotificationUploadPrepare(String text){ NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(this); /* Setup Notification Manager Begin */ mBuilder.setContentTitle("Download from dCache server"); mBuilder.setContentText(text); mBuilder.setSmallIcon(android.R.drawable.ic_menu_upload); mBuilder.setOngoing(true); mBuilder.setProgress(100, 0, false); /* Setup Notification Manager End */ return mBuilder; } @SuppressWarnings("deprecation") private void NotificationNotify(String tag, Builder mBuilder) { if (android.os.Build.VERSION.SDK_INT < 11) { // Not supported } if (android.os.Build.VERSION.SDK_INT < 16) mNotificationManager.notify(tag, 0,mBuilder.getNotification()); else mNotificationManager.notify(tag, 0, mBuilder.build()); } private void NotificationCancel(String tag) { mNotificationManager.cancel(tag, 0); DatabaseHelper helper = new DatabaseHelper(this); } public DownloadService() { super("DownloadService"); } @Override public int onStartCommand (Intent intent, int flags, int startId) { Log.i("2.", "onstartcommand"); downloadFilePath = (String) intent.getExtras().get("url"); fileName = (String) intent.getExtras().get("filename"); InitializeComponents(); return START_REDELIVER_INTENT; } protected void onHandleIntent(Intent intent) { Log.i("2.", "onhandleintent"); } private boolean downloadFile() throws IllegalStateException, IOException { isRedirected = false; // the return Value from the doors seems to be like "[Location: http:....?uid=...]" String finalTarget = target.get(target.size()-1); if (finalTarget != null && !finalTarget.startsWith("http")) { finalTarget = finalTarget.substring(finalTarget.indexOf("http"), finalTarget.length()-1); target.set(target.size()-1, finalTarget); } httpGet.setURI(URI.create(finalTarget)); if (isNetworkConnected()) { HttpResponse response = null; try { response = httpClient.execute(httpGet); } catch (ClientProtocolException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } if (isRedirected) { downloadFile(); return true; } final Builder mBuilder = NotificationUploadPrepare(fileName); InputStream in = response.getEntity().getContent(); Long fileSize = response.getEntity().getContentLength(); FileOutputStream fos = new FileOutputStream(new File(Environment.getExternalStorageDirectory() + "/dCacheCloud/" + fileName)); byte[] buffer = new byte[4096]; int length; long bytesWritten = 0; int lastPercent = 0; while((length = in.read(buffer)) > 0) { fos.write(buffer, 0, length); bytesWritten += length; int percent = (int) ((bytesWritten * 100) / fileSize); if (lastPercent != percent) { mBuilder.setProgress(100, percent, false); NotificationNotify(fileName, mBuilder); lastPercent = percent; } } mBuilder.setOngoing(false); NotificationNotify(fileName, mBuilder); /* end Download */ CryptoHelper.decryptBlockCipherWithIV(Uri.parse(fileName), KeyStoreHelper.getKey(fileName)); } else { Toast.makeText(getApplicationContext(), "You are not connected to the internet!", Toast.LENGTH_LONG).show(); } return false; } public boolean isNetworkConnected() { final ConnectivityManager conMgr = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE); final NetworkInfo activeNetwork = conMgr.getActiveNetworkInfo(); return activeNetwork != null && activeNetwork.getState() == NetworkInfo.State.CONNECTED; } private void InitializeComponents(){ try { SharedPreferences preferences = getSharedPreferences("de.desy.dCacheCloud_preferences", Context.MODE_PRIVATE); String user = preferences.getString("webdav_user", null); String password = preferences.getString("webdav_password", null); mNotificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE); File folder = new File(Environment.getExternalStorageDirectory() + "/dCacheCloud/"); if (!folder.exists()) { folder.mkdir(); } File file = new File(Environment.getExternalStorageDirectory() + "/dCacheCloud/" + fileName); httpGet = new HttpGet(downloadFilePath); try { httpClient = ServerHelper.getClient(); } catch (KeyManagementException e) { e.printStackTrace(); } catch (UnrecoverableKeyException e) { e.printStackTrace(); } catch (KeyStoreException e) { e.printStackTrace(); } catch (NoSuchAlgorithmException e) { e.printStackTrace(); } catch (CertificateException e) { e.printStackTrace(); } httpClient.setRedirectHandler(new DefaultRedirectHandler() { @Override public URI getLocationURI(HttpResponse response, HttpContext contet) throws org.apache.http.ProtocolException { Log.d("Rederection!!: ", Arrays.toString(response.getHeaders("Location"))); System.out.println(Arrays.toString(response.getHeaders("Location"))); target.add(Arrays.toString(response.getHeaders("Location"))); isRedirected = true; return super.getLocationURI(response, contet); } }); ServerHelper.setCredentials(httpClient, httpGet, user, password); target.add(downloadFilePath); downloadFile(); } catch (Exception e) { e.printStackTrace(); } } }