public String readFromFile() {
String ret = "";
try {
InputStream inputStream = context.openFileInput("locations.json");
if (inputStream != null) {
InputStreamReader inputStreamReader = new InputStreamReader(inputStream);
BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
String receiveString = "";
StringBuilder stringBuilder = new StringBuilder();
while ((receiveString = bufferedReader.readLine()) != null) {
stringBuilder.append(receiveString);
}
inputStream.close();
ret = stringBuilder.toString();
}
} catch (FileNotFoundException ex) {
Log.e("login activity", "File not found: " + ex.toString());
} catch (IOException ex) {
Log.e("login activity", "Can not read file: " + ex.toString());
}
return ret;
}
public int[] readProgress() {
int progress[] = new int[2];
try {
DataInputStream in =
new DataInputStream(new BufferedInputStream(new FileInputStream(resume_file)));
progress[0] = in.readInt();
progress[1] = in.readInt();
in.close();
} catch (FileNotFoundException e) {
Log.e(TAG, "readProgress file not found.");
} catch (IOException e) {
Log.e(TAG, e.getMessage());
}
return progress;
}
private void deleteLocation(LocationInfo info) {
if (NavigineApp.Navigation == null) return;
if (info != null) {
try {
(new File(info.archiveFile)).delete();
info.localVersion = -1;
info.localModified = false;
String locationDir = LocationLoader.getLocationDir(mContext, info.title);
File dir = new File(locationDir);
File[] files = dir.listFiles();
for (int i = 0; i < files.length; ++i) files[i].delete();
dir.delete();
String mapFile = NavigineApp.Settings.getString("map_file", "");
if (mapFile.equals(info.archiveFile)) {
NavigineApp.Navigation.loadArchive(null);
SharedPreferences.Editor editor = NavigineApp.Settings.edit();
editor.putString("map_file", "");
editor.commit();
}
mAdapter.updateList();
} catch (Throwable e) {
Log.e(TAG, Log.getStackTraceString(e));
}
}
}
public synchronized void writeProgress(int current_file, int total_files) {
try {
DataOutputStream out =
new DataOutputStream(new BufferedOutputStream(new FileOutputStream(resume_file, false)));
out.writeInt(current_file);
out.writeInt(total_files);
out.flush();
out.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
Log.e(TAG, "writeProgress resume.txt not found.");
} catch (IOException ex) {
Log.e(TAG, "Unable to create resume.txt.");
}
}
public void writeToFile(String data) {
try {
OutputStreamWriter outputStreamWriter =
new OutputStreamWriter(context.openFileOutput("locations.json", Context.MODE_PRIVATE));
outputStreamWriter.write(data);
outputStreamWriter.close();
} catch (IOException ex) {
Log.e("Exception", "File write failed: " + ex.toString());
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
String filePickerResult = "";
if (data != null && resultCode == RESULT_OK) {
try {
ContentResolver cr = getContentResolver();
Uri uri = data.getData();
Cursor cursor =
GeckoApp.mAppContext
.getContentResolver()
.query(uri, new String[] {OpenableColumns.DISPLAY_NAME}, null, null, null);
String name = null;
if (cursor != null) {
try {
if (cursor.moveToNext()) {
name = cursor.getString(0);
}
} finally {
cursor.close();
}
}
String fileName = "tmp_";
String fileExt = null;
int period;
if (name == null || (period = name.lastIndexOf('.')) == -1) {
String mimeType = cr.getType(uri);
fileExt = "." + GeckoAppShell.getExtensionFromMimeType(mimeType);
} else {
fileExt = name.substring(period);
fileName = name.substring(0, period);
}
File file = File.createTempFile(fileName, fileExt, sGREDir);
FileOutputStream fos = new FileOutputStream(file);
InputStream is = cr.openInputStream(uri);
byte[] buf = new byte[4096];
int len = is.read(buf);
while (len != -1) {
fos.write(buf, 0, len);
len = is.read(buf);
}
fos.close();
filePickerResult = file.getAbsolutePath();
} catch (Exception e) {
Log.e(LOG_FILE_NAME, "showing file picker", e);
}
}
try {
mFilePickerResult.put(filePickerResult);
} catch (InterruptedException e) {
Log.i(LOG_FILE_NAME, "error returning file picker result", e);
}
}
private void parseMapsXml() {
try {
String fileName = LocationLoader.getLocationDir(NavigineApp.AppContext, null) + "/maps.xml";
List<LocationInfo> infoList = Parser.parseMapsXml(NavigineApp.AppContext, fileName);
mInfoList = new ArrayList<LocationInfo>();
if (infoList != null) mInfoList = infoList;
mAdapter.updateList();
new File(fileName).delete();
} catch (Throwable e) {
Log.e(TAG, Log.getStackTraceString(e));
}
}
public static String slurp(Reader r) {
StringBuilder rval = new StringBuilder();
try {
char[] buffer = new char[4 << 10];
while (true) {
int n = r.read(buffer, 0, buffer.length);
if (n < 1) break;
rval.append(buffer, 0, n);
}
} catch (IOException e) {
Log.e(LOG_TAG, "malfunction slurping stream", e);
}
return rval.toString();
}
@Override
public void onLowMemory() {
Log.e(LOG_FILE_NAME, "low memory");
if (checkLaunchState(LaunchState.GeckoRunning)) GeckoAppShell.onLowMemory();
super.onLowMemory();
}
String[] getPluginDirectories() {
ArrayList<String> directories = new ArrayList<String>();
PackageManager pm = this.mAppContext.getPackageManager();
List<ResolveInfo> plugins =
pm.queryIntentServices(
new Intent(PLUGIN_ACTION), PackageManager.GET_SERVICES | PackageManager.GET_META_DATA);
synchronized (mPackageInfoCache) {
// clear the list of existing packageInfo objects
mPackageInfoCache.clear();
for (ResolveInfo info : plugins) {
// retrieve the plugin's service information
ServiceInfo serviceInfo = info.serviceInfo;
if (serviceInfo == null) {
Log.w(LOGTAG, "Ignore bad plugin");
continue;
}
Log.w(LOGTAG, "Loading plugin: " + serviceInfo.packageName);
// retrieve information from the plugin's manifest
PackageInfo pkgInfo;
try {
pkgInfo =
pm.getPackageInfo(
serviceInfo.packageName,
PackageManager.GET_PERMISSIONS | PackageManager.GET_SIGNATURES);
} catch (Exception e) {
Log.w(LOGTAG, "Can't find plugin: " + serviceInfo.packageName);
continue;
}
if (pkgInfo == null) {
Log.w(
LOGTAG,
"Loading plugin: "
+ serviceInfo.packageName
+ ". Could not load package information.");
continue;
}
/*
* find the location of the plugin's shared library. The default
* is to assume the app is either a user installed app or an
* updated system app. In both of these cases the library is
* stored in the app's data directory.
*/
String directory = pkgInfo.applicationInfo.dataDir + "/lib";
final int appFlags = pkgInfo.applicationInfo.flags;
final int updatedSystemFlags =
ApplicationInfo.FLAG_SYSTEM | ApplicationInfo.FLAG_UPDATED_SYSTEM_APP;
// preloaded system app with no user updates
if ((appFlags & updatedSystemFlags) == ApplicationInfo.FLAG_SYSTEM) {
directory = PLUGIN_SYSTEM_LIB + pkgInfo.packageName;
}
// check if the plugin has the required permissions
String permissions[] = pkgInfo.requestedPermissions;
if (permissions == null) {
Log.w(
LOGTAG,
"Loading plugin: "
+ serviceInfo.packageName
+ ". Does not have required permission.");
continue;
}
boolean permissionOk = false;
for (String permit : permissions) {
if (PLUGIN_PERMISSION.equals(permit)) {
permissionOk = true;
break;
}
}
if (!permissionOk) {
Log.w(
LOGTAG,
"Loading plugin: "
+ serviceInfo.packageName
+ ". Does not have required permission (2).");
continue;
}
// check to ensure the plugin is properly signed
Signature signatures[] = pkgInfo.signatures;
if (signatures == null) {
Log.w(LOGTAG, "Loading plugin: " + serviceInfo.packageName + ". Not signed.");
continue;
}
// determine the type of plugin from the manifest
if (serviceInfo.metaData == null) {
Log.e(LOGTAG, "The plugin '" + serviceInfo.name + "' has no type defined");
continue;
}
String pluginType = serviceInfo.metaData.getString(PLUGIN_TYPE);
if (!TYPE_NATIVE.equals(pluginType)) {
Log.e(LOGTAG, "Unrecognized plugin type: " + pluginType);
continue;
}
try {
Class<?> cls = getPluginClass(serviceInfo.packageName, serviceInfo.name);
// TODO implement any requirements of the plugin class here!
boolean classFound = true;
if (!classFound) {
Log.e(
LOGTAG,
"The plugin's class' "
+ serviceInfo.name
+ "' does not extend the appropriate class.");
continue;
}
} catch (NameNotFoundException e) {
Log.e(LOGTAG, "Can't find plugin: " + serviceInfo.packageName);
continue;
} catch (ClassNotFoundException e) {
Log.e(LOGTAG, "Can't find plugin's class: " + serviceInfo.name);
continue;
}
// if all checks have passed then make the plugin available
mPackageInfoCache.add(pkgInfo);
directories.add(directory);
}
}
return directories.toArray(new String[directories.size()]);
}
@Override
public void onComplete(String response, Object state) {
try {
Log.i(TAG, response);
json = Util.parseJson(response);
// photos are in the form of a json array
child = json.getJSONArray("data");
int total = child.length();
// contains links to photos
links = new ArrayList<String>(total);
// adds link to each photo to our list after replacing the "https" from url
// DownloadManager does not support https in gingerbread
for (int i = 0; i < total; i++) {
photo_json = child.getJSONObject(i);
if (dl_high_res_pics) {
JSONArray image_set = photo_json.getJSONArray("images");
// highest resolution picture has the index zero in the images jsonarray
JSONObject highest_res_pic = image_set.getJSONObject(0);
String http_replaced =
highest_res_pic.getString("source").replaceFirst("https", "http");
links.add(i, http_replaced);
} else {
// source property of the json object points to the photo's link
String http_replaced = photo_json.getString("source").replaceFirst("https", "http");
links.add(i, http_replaced);
}
}
download_photos.this.runOnUiThread(
new Runnable() {
public void run() {
// mytask = new DownloadImageTask();
// mytask.execute(links);
// start downloading using asynctask
// new DownloadImageTask().execute(links);
// downloadThread.setPath(path);
// downloadThread.setWholeTasks(links.size());
if (resume_file.exists()) {
initial_value = readProgress()[0];
final_value = links.size();
// case if the task is already completed
if (initial_value == final_value) {
completed = true;
resume_pause.setVisibility(View.GONE);
progress_download.setMax(final_value);
progress_download.setProgress(0); // bug in progress bar
progress_download.setProgress(initial_value);
progress_text.setText("Completed.");
mtext.setText(
getText(R.string.download_textview_message_1)
+ " "
+ path.toString()
+ ". ");
}
// case if some of the photos are already downloaded
else {
progress_download.setMax(links.size());
// progress_download.setProgress(0); //bug in progress bar
progress_download.setProgress(initial_value);
// N.B if i= initial_value -1, then one image will be downloaded again. so to
// save cost we start with i = initial_value
for (int i = initial_value; i < links.size(); i++) {
mtext.setText(
getText(R.string.download_textview_message_1)
+ " "
+ path.toString()
+ ". ");
// downloadThread.setRunningTask(i + 1);
downloadThread.enqueueDownload(
new DownloadTask(
links.get(i), path, i + 1, final_value, download_photos.this));
}
}
}
// case if the task is entirely new task
else {
for (int i = 0; i < links.size(); i++) {
mtext.setText(
getText(R.string.download_textview_message_1)
+ " "
+ path.toString()
+ ". ");
// downloadThread.setRunningTask(i + 1);
downloadThread.enqueueDownload(
new DownloadTask(
links.get(i), path, i + 1, links.size(), download_photos.this));
}
}
}
});
} catch (JSONException ex) {
Log.e(TAG, "JSONEXception : " + ex.getMessage());
}
}