Example usage for android.content Context getFileStreamPath

Introduction

In this page you can find the example usage for android.content Context getFileStreamPath.

Prototype

public abstract File getFileStreamPath(String name);

Source Link

Document

Returns the absolute path on the filesystem where a file created with #openFileOutput is stored.

Usage

From source file:org.matrix.matrixandroidsdk.db.ConsoleMediasCache.java

/**
 * Save a media to the local cache// w w w  . j a  v  a2 s .  c  o m
 * it could be used for unsent media to allow them to be resent.
 * @param stream the file stream to save
 * @param defaultFileName the filename is provided, if null, a filename will be generated
 * @return the media cache URL
 */
public static String saveMedia(InputStream stream, Context context, String defaultFileName) {
    String filename = (defaultFileName == null) ? ("file" + System.currentTimeMillis()) : defaultFileName;
    String cacheURL = null;

    try {
        FileOutputStream fos = context.openFileOutput(filename, Context.MODE_PRIVATE);

        try {
            byte[] buf = new byte[1024 * 32];

            int len;
            while ((len = stream.read(buf)) != -1) {
                fos.write(buf, 0, len);
            }
        } catch (Exception e) {
        }

        fos.flush();
        fos.close();
        stream.close();

        cacheURL = Uri.fromFile(context.getFileStreamPath(filename)).toString();
    } catch (Exception e) {

    }

    return cacheURL;
}

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From source file:net.tawacentral.roger.secrets.FileUtils.java

/**
 * Cleanup any residual data files from a previous bad run, if any.  The
 * algorithm is as follows://w ww. j  a  v a2 s .  c o m
 *
 * - delete any file with "new" in the name.  These are possibly partial
 *   writes, so their contents is undefined.
 * - if no secrets file exists, rename the most recent auto restore point
 *   file to secrets.
 * - if too many auto restore point files exist, delete the extra ones.
 *   However, don't delete any auto-backups younger than 48 hours.
 *
 * @param context Activity context in which the save is called.
 */
public static void cleanupDataFiles(Context context) {
    Log.d(LOG_TAG, "FileUtils.cleanupDataFiles");
    synchronized (lock) {
        String[] filenames = context.fileList();
        int oldCount = filenames.length;
        boolean secretsFileExists = context.getFileStreamPath(SECRETS_FILE_NAME).exists();

        // Cleanup any partial saves and find the most recent auto-backup file.
        {
            File mostRecent = null;
            int mostRecentIndex = -1;
            for (int i = 0; i < filenames.length; ++i) {
                String filename = filenames[i];
                if (-1 != filename.indexOf("new")) {
                    context.deleteFile(filename);
                    --oldCount;
                    filenames[i] = null;
                } else if (filename.startsWith(RP_PREFIX)) {
                    if (!secretsFileExists) {
                        File f = context.getFileStreamPath(filename);
                        if (null == mostRecent || f.lastModified() > mostRecent.lastModified()) {
                            mostRecent = f;
                            mostRecentIndex = i;
                        }
                    }
                } else {
                    --oldCount;
                    filenames[i] = null;
                }
            }

            // If we don't have a secrets file but found an auto-backup file,
            // rename the more recent auto-backup to secrets.
            if (null != mostRecent) {
                mostRecent.renameTo(context.getFileStreamPath(SECRETS_FILE_NAME));
                --oldCount;
                filenames[mostRecentIndex] = null;
            }
        }

        // If there are too many old files, delete the oldest extra ones.
        while (oldCount > 10) {
            File oldest = null;
            int oldestIndex = -1;

            for (int i = 0; i < filenames.length; ++i) {
                String filename = filenames[i];
                if (null == filename)
                    continue;

                File f = context.getFileStreamPath(filename);
                if (null == oldest || f.lastModified() < oldest.lastModified()) {
                    oldest = f;
                    oldestIndex = i;
                }
            }

            if (null != oldest) {
                // If the oldest file is not too old, then just break out of the
                // loop.  We don't want to delete any "old" files that are too
                // recent.
                if (!FileUtils.isRestorePointTooOld(oldest))
                    break;

                oldest.delete();
                --oldCount;
                filenames[oldestIndex] = null;
            }
        }
    }
}

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From source file:edu.cmu.cs.diamond.android.Filter.java

public Filter(int resourceId, Context context, String name, String[] args, byte[] blob) throws IOException {
    Resources r = context.getResources();
    String resourceName = r.getResourceEntryName(resourceId);
    File f = context.getFileStreamPath(resourceName);

    if (!f.exists()) {
        InputStream ins = r.openRawResource(resourceId);
        byte[] buf = IOUtils.toByteArray(ins);
        FileOutputStream fos = context.openFileOutput(resourceName, Context.MODE_PRIVATE);
        IOUtils.write(buf, fos);/*from  w w  w. ja  v  a2 s .  c  o m*/
        context.getFileStreamPath(resourceName).setExecutable(true);
        fos.close();
    }

    ProcessBuilder pb = new ProcessBuilder(f.getAbsolutePath());
    Map<String, String> env = pb.environment();
    tempDir = File.createTempFile("filter", null, context.getCacheDir());
    tempDir.delete(); // Delete file and create directory.
    if (!tempDir.mkdir()) {
        throw new IOException("Unable to create temporary directory.");
    }
    env.put("TEMP", tempDir.getAbsolutePath());
    env.put("TMPDIR", tempDir.getAbsolutePath());
    proc = pb.start();
    is = proc.getInputStream();
    os = proc.getOutputStream();

    sendInt(1);
    sendString(name);
    sendStringArray(args);
    sendBinary(blob);

    while (this.getNextToken().tag != TagEnum.INIT)
        ;
    Log.d(TAG, "Filter initialized.");
}

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From source file:com.daskiworks.ghwatch.backend.UnreadNotificationsService.java

/**
 * Create service.//from  w w  w  . ja v a2  s .c o m
 * 
 * @param context this service runs in
 */
public UnreadNotificationsService(Context context) {
    this.context = context;
    persistFile = context.getFileStreamPath(persistFileName);
    this.authenticationManager = AuthenticationManager.getInstance();
}

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From source file:com.youTransactor.uCube.mdm.MDMManager.java

public void initialize(Context context) {
    SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(context);

    onSharedPreferenceChanged(settings, null);

    settings.registerOnSharedPreferenceChangeListener(this);

    try {//from w  w w .  ja v a  2s  .c o m
        KeyStore keystoreCA = KeyStore.getInstance(KEYSTORE_TYPE);
        keystoreCA.load(context.getResources().openRawResource(R.raw.keystore), PWD);

        KeyStore keystoreClient = null;

        File file = context.getFileStreamPath(KEYSTORE_CLIENT_FILENAME);

        if (file.exists()) {
            keystoreClient = KeyStore.getInstance(KEYSTORE_TYPE);
            InputStream in = new FileInputStream(file);
            keystoreClient.load(in, PWD);
        }

        ready = keystoreClient != null && keystoreClient.getKey(MDM_CLIENT_CERT_ALIAS, PWD) != null;

        TrustManagerFactory tmf = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
        tmf.init(keystoreCA);

        KeyManagerFactory kmf = KeyManagerFactory.getInstance("X509");
        kmf.init(keystoreClient, PWD);

        sslContext = SSLContext.getInstance("TLS");

        sslContext.init(kmf.getKeyManagers(), tmf.getTrustManagers(), null);

    } catch (Exception e) {
        LogManager.debug(MDMManager.class.getSimpleName(), "load keystore error", e);
    }
}

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From source file:edu.mit.mobile.android.imagecache.test.ImageCacheJunitTest.java

/**
 * Loads a file from the assets and saves it to a public location.
 *
 * @return//from  w ww  .jav a2  s.  c  om
 * @throws IOException
 */
private Uri loadLocalFile() throws IOException {

    final String testfile = "logo_locast.png";
    final Context contextInst = getInstrumentation().getContext();
    final Context context = getInstrumentation().getTargetContext();
    final InputStream is = contextInst.getAssets().open(testfile);

    assertNotNull(is);

    final FileOutputStream fos = context.openFileOutput(testfile, Context.MODE_PRIVATE);

    assertNotNull(fos);

    int read = 0;
    final byte[] bytes = new byte[1024];

    while ((read = is.read(bytes)) != -1) {
        fos.write(bytes, 0, read);
    }

    is.close();
    fos.close();

    final File outFile = context.getFileStreamPath(testfile);

    final Uri fileUri = Uri.fromFile(outFile);

    assertNotNull(fileUri);
    return fileUri;
}

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From source file:net.wequick.small.ApkBundleLauncher.java

@Override
public File getExtractPath(Bundle bundle) {
    Context context = Small.getContext();
    File packagePath = context.getFileStreamPath(FD_STORAGE);
    return new File(packagePath, bundle.getPackageName());
}

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From source file:tr.com.turkcellteknoloji.turkcellupdater.UpdateManager.java

private void installPackage(final Context context, final byte[] apkContents, final UpdateListener listener) {
    final AsyncTask<Void, Void, File> task = new AsyncTask<Void, Void, File>() {
        volatile Exception exception;

        @SuppressLint("WorldReadableFiles")
        @Override/*from w  w w .ja va2 s .co  m*/
        protected File doInBackground(Void... params) {
            try {
                if (Utilities.isNullOrEmpty(apkContents)) {
                    throw new NullPointerException("apkContents");
                }

                String tempFileName = "nextversion.apk";
                File tempFile = context.getFileStreamPath(tempFileName);
                if (tempFile.exists()) {
                    tempFile.delete();
                }

                FileOutputStream fout = context.openFileOutput(tempFileName, Context.MODE_WORLD_READABLE);
                try {
                    fout.write(apkContents);
                    fout.flush();
                } finally {
                    try {
                        fout.close();
                    } catch (Exception e) {
                        // omit
                    }
                }

                return tempFile;

            } catch (Exception e) {
                exception = e;
                Log.e("Couldn't save apk", e);
                return null;
            }
        }

        @Override
        protected void onPostExecute(File result) {
            if (exception == null) {
                try {
                    Uri data = Uri.fromFile(result);
                    String type = "application/vnd.android.package-archive";
                    Intent promptInstall = new Intent(Intent.ACTION_VIEW);
                    promptInstall.setDataAndType(data, type);
                    context.startActivity(promptInstall);
                    if (listener != null) {
                        listener.onUpdateCompleted();
                    }
                    return;
                } catch (Exception e) {
                    exception = e;
                }
            }

            if (listener == null) {
                Log.e("Update failed", exception);
            } else {
                listener.onUpdateFailed(exception);
            }

        }

    };
    task.execute();
}

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From source file:com.polyvi.xface.extension.camera.XCameraExt.java

private File createCaptureFile(int encodingType) {
    Context context = getContext();
    String picName = "";
    File photo = null;//from   w ww .  j  av a  2s  . c  o  m
    long time = Calendar.getInstance().getTimeInMillis();
    if (mEncodingType == JPEG) {
        picName = String.valueOf(time) + ".jpg";
    } else if (mEncodingType == PNG) {
        picName = String.valueOf(time) + ".png";
    } else {
        throw new IllegalArgumentException("Invalid Encoding Type: " + mEncodingType);
    }

    photo = context.getFileStreamPath(picName);
    if (!photo.exists()) {
        try {
            FileOutputStream outStream = context.openFileOutput(picName,
                    Context.MODE_WORLD_READABLE + Context.MODE_WORLD_WRITEABLE);
            outStream.close();
            photo = context.getFileStreamPath(picName);
        } catch (FileNotFoundException e) {
            XLog.e(CLASS_NAME, "Create picture failed!");
        } catch (IOException e) {
            XLog.e(CLASS_NAME, "Close picture fileStream failed!");
        }
    }
    return photo;
}

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From source file:com.android.exchange.SyncManager.java

static private String getDeviceIdInternal(Context context) throws IOException {
    if (INSTANCE == null && context == null) {
        throw new IOException("No context for getDeviceId");
    } else if (context == null) {
        context = INSTANCE;/*  w  ww .j a  v  a2  s  .c  o  m*/
    }

    try {
        File f = context.getFileStreamPath("deviceName");
        BufferedReader rdr = null;
        String id;
        if (f.exists() && f.canRead()) {
            rdr = new BufferedReader(new FileReader(f), 128);
            id = rdr.readLine();
            rdr.close();
            return id;
        } else if (f.createNewFile()) {
            BufferedWriter w = new BufferedWriter(new FileWriter(f), 128);
            final String consistentDeviceId = Utility.getConsistentDeviceId(context);
            if (consistentDeviceId != null) {
                // Use different prefix from random IDs.
                id = "androidc" + consistentDeviceId;
            } else {
                id = "android" + System.currentTimeMillis();
            }
            w.write(id);
            w.close();
            return id;
        }
    } catch (IOException e) {
    }
    throw new IOException("Can't get device name");
}

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