Example usage for android.content Context openFileOutput

Introduction

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

Prototype

public abstract FileOutputStream openFileOutput(String name, @FileMode int mode) throws FileNotFoundException;

Source Link

Document

Open a private file associated with this Context's application package for writing.

Usage

From source file:com.pdftron.pdf.utils.Utils.java

public static String copyResourceToTempFolder(Context context, int resId, boolean force, String resourceName)
        throws PDFNetException {
    if (context == null) {
        throw new PDFNetException("", 0L, "com.pdftron.pdf.PDFNet", "copyResourceToTempFolder()",
                "Context cannot be null to initialize resource file.");
    } else {/*from   w w w  .j a  va 2  s.  c o  m*/
        File resFile = new File(context.getFilesDir() + File.separator + "resourceName");
        if (!resFile.exists() || force) {
            File filesDir = context.getFilesDir();
            StatFs stat = new StatFs(filesDir.getPath());
            long size = (long) stat.getAvailableBlocks() * (long) stat.getBlockSize();
            if (size < 2903023L) {
                throw new PDFNetException("", 0L, "com.pdftron.pdf.PDFNet", "copyResourceToTempFolder()",
                        "Not enough space available to copy resources file.");
            }

            Resources rs = context.getResources();

            try {
                InputStream e = rs.openRawResource(resId);
                FileOutputStream fos = context.openFileOutput(resourceName, 0);
                byte[] buffer = new byte[1024];

                int read;
                while ((read = e.read(buffer)) != -1) {
                    fos.write(buffer, 0, read);
                }

                e.close();
                fos.flush();
                fos.close();

            } catch (Resources.NotFoundException var13) {
                throw new PDFNetException("", 0L, "com.pdftron.pdf.PDFNet", "initializeResource()",
                        "Resource file ID does not exist.");
            } catch (FileNotFoundException var14) {
                throw new PDFNetException("", 0L, "com.pdftron.pdf.PDFNet", "initializeResource()",
                        "Resource file not found.");
            } catch (IOException var15) {
                throw new PDFNetException("", 0L, "com.pdftron.pdf.PDFNet", "initializeResource()",
                        "Error writing resource file to internal storage.");
            } catch (Exception var16) {
                throw new PDFNetException("", 0L, "com.pdftron.pdf.PDFNet", "initializeResource()",
                        "Unknown error.");
            }
        }

        return context.getFilesDir().getAbsolutePath();
    }
}

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From source file:br.com.carlosrafaelgn.fplay.list.RadioStationList.java

private void saveFavoritesInternal(Context context) throws IOException {
    FileOutputStream fs = null;/*  w w w .ja  v a  2  s .  com*/
    BufferedOutputStream bs = null;
    try {
        final int count = Math.min(MAX_COUNT, favorites.size());
        int i = 0;
        fs = context.openFileOutput("_RadioFav", 0);
        bs = new BufferedOutputStream(fs, 4096);
        Serializer.serializeInt(bs, 0x0100);
        Serializer.serializeInt(bs, count);
        for (RadioStation s : favorites) {
            if (i >= count)
                break;
            s.serialize(bs);
            i++;
        }
        bs.flush();
    } finally {
        try {
            if (bs != null)
                bs.close();
        } catch (Throwable ex) {
        }
        try {
            if (fs != null)
                fs.close();
        } catch (Throwable ex) {
        }
    }
}

---

From source file:net.sf.xfd.provider.PublicProvider.java

private static @Nullable Key getSalt(Context c) {
    if (cookieSalt == null) {
        synchronized (PublicProvider.class) {
            if (cookieSalt == null) {
                try {
                    try (ObjectInputStream oos = new ObjectInputStream(c.openFileInput(COOKIE_FILE))) {
                        cookieSalt = (Key) oos.readObject();
                    } catch (ClassNotFoundException | IOException e) {
                        LogUtil.logCautiously("Unable to read key file, probably corrupted or missing", e);

                        final File corrupted = c.getFileStreamPath(COOKIE_FILE);

                        //noinspection ResultOfMethodCallIgnored
                        corrupted.delete();
                    }/*from   w w  w  . j  a v a2 s. c o m*/

                    if (cookieSalt != null) {
                        return cookieSalt;
                    }

                    final KeyGenerator keygen = KeyGenerator.getInstance("HmacSHA1");
                    keygen.init(COOKIE_SIZE * Byte.SIZE);

                    cookieSalt = keygen.generateKey();

                    try (ObjectOutputStream oos = new ObjectOutputStream(
                            c.openFileOutput(COOKIE_FILE, Context.MODE_PRIVATE))) {
                        oos.writeObject(cookieSalt);
                    } catch (IOException e) {
                        LogUtil.logCautiously("Failed to save key file", e);

                        return null;
                    }
                } catch (NoSuchAlgorithmException e) {
                    throw new AssertionError("failed to initialize hash functions", e);
                }
            }
        }
    }

    return cookieSalt;
}

---

From source file:com.apptentive.android.sdk.model.FileMessage.java

/**
 * This method stores an image, and compresses it in the process so it doesn't fill up the disk. Therefore, do not use
 * it to store an exact copy of the file in question.
 */// ww  w . ja  v a  2s. c  o m
public boolean internalCreateStoredImage(Context context, String uriString) {
    Uri uri = Uri.parse(uriString);

    ContentResolver resolver = context.getContentResolver();
    String mimeType = resolver.getType(uri);
    MimeTypeMap mime = MimeTypeMap.getSingleton();
    String extension = mime.getExtensionFromMimeType(mimeType);
    setFileName(uri.getLastPathSegment() + "." + extension);
    setMimeType(mimeType);

    // Create a file to save locally.
    String localFileName = getStoredFileId();
    File localFile = new File(localFileName);

    // Copy the file contents over.
    InputStream is = null;
    CountingOutputStream cos = null;
    try {
        is = new BufferedInputStream(context.getContentResolver().openInputStream(uri));
        cos = new CountingOutputStream(
                new BufferedOutputStream(context.openFileOutput(localFile.getPath(), Context.MODE_PRIVATE)));
        System.gc();
        Bitmap smaller = ImageUtil.createScaledBitmapFromStream(is, MAX_STORED_IMAGE_EDGE,
                MAX_STORED_IMAGE_EDGE, null);
        // TODO: Is JPEG what we want here?
        smaller.compress(Bitmap.CompressFormat.JPEG, 95, cos);
        cos.flush();
        Log.d("Bitmap saved, size = " + (cos.getBytesWritten() / 1024) + "k");
        smaller.recycle();
        System.gc();
    } catch (FileNotFoundException e) {
        Log.e("File not found while storing image.", e);
        return false;
    } catch (Exception e) {
        Log.a("Error storing image.", e);
        return false;
    } finally {
        Util.ensureClosed(is);
        Util.ensureClosed(cos);
    }

    // Create a StoredFile database entry for this locally saved file.
    StoredFile storedFile = new StoredFile();
    storedFile.setId(getStoredFileId());
    storedFile.setOriginalUri(uri.toString());
    storedFile.setLocalFilePath(localFile.getPath());
    storedFile.setMimeType("image/jpeg");
    FileStore db = ApptentiveDatabase.getInstance(context);
    return db.putStoredFile(storedFile);
}

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From source file:joshuatee.wx.UtilityFTP.java

public static String[] GetNidsArr(Context c, String url, String path, String frame_cnt_str) {

    int frame_cnt = Integer.parseInt(frame_cnt_str);
    String[] nids_arr = new String[frame_cnt];

    try {/* w  ww .jav a 2 s.  c  om*/
        FTPClient ftp = new FTPClient();

        //String user = "ftp";
        //String pass = "anonymous";

        ftp.connect(url);

        if (!ftp.login("ftp", "anonymous")) {
            ftp.logout();
        }

        ftp.setFileType(FTP.BINARY_FILE_TYPE);
        int reply = ftp.getReplyCode();

        if (!FTPReply.isPositiveCompletion(reply)) {
            ftp.disconnect();
        }

        ftp.enterLocalPassiveMode();
        ftp.changeWorkingDirectory(path);
        //reply = ftp.getReplyCode();

        FTPFile[] ftpFiles = ftp.listFiles();

        //get newest .xml file name from ftp server
        java.util.Date lastMod = ftpFiles[0].getTimestamp().getTime();
        FTPFile choice = ftpFiles[0];

        for (FTPFile file : ftpFiles) {
            if (file.getTimestamp().getTime().after(lastMod) && !file.getName().equals("sn.last")) {
                choice = file;
                lastMod = file.getTimestamp().getTime();
            }
        }

        int seq = Integer.parseInt(choice.getName().replace("sn.", "")); // was ALl
        int j = 0;
        int k = seq - frame_cnt + 1;
        for (j = 0; j < frame_cnt; j++) {
            // files range from 0000 to 0250, if num is negative add 251
            int tmp_k = k;

            if (tmp_k < 0)
                tmp_k = tmp_k + 251;

            nids_arr[j] = "sn." + String.format("%4s", Integer.toString(tmp_k)).replace(' ', '0');
            k++;
        }

        FileOutputStream fos;
        for (j = 0; j < frame_cnt; j++) {
            fos = c.openFileOutput(nids_arr[j], Context.MODE_PRIVATE);
            ftp.retrieveFile(nids_arr[j], fos);
            fos.close();
        }

        ftp.logout();
        ftp.disconnect();

    } catch (Exception ex) {
        ex.printStackTrace();
    }

    return nids_arr;

}

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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.  j  av a  2 s. c  om
        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();
}

---

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  w  w  .j a  v  a 2 s . 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;
}

---

From source file:research.sg.edu.edapp.kb.KbSoftKeyboard.java

private void writeToFile(String data, Context context) {
    try {//  w  w w.j  a  v  a  2  s. c o  m
        OutputStreamWriter outputStreamWriter = new OutputStreamWriter(
                context.openFileOutput("config.txt", Context.MODE_PRIVATE));
        outputStreamWriter.write(data);
        outputStreamWriter.close();
    } catch (IOException e) {
        Log.e("Exception", "File write failed: " + e.toString());
    }
}

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From source file:com.entertailion.android.slideshow.utils.Utils.java

/**
 * Get string version of HTML for a web page. Cache HTML for future acccess.
 * /*from w ww  . j a  v a2 s  .  c o m*/
 * @param context
 * @param url
 * @param refresh
 * @return
 */
public synchronized static final String getCachedData(Context context, String url, boolean refresh) {
    Log.d(LOG_TAG, "getCachedData: " + url);
    String data = null;
    boolean exists = false;
    String cleanUrl = "cache." + clean(url);
    File file = context.getFileStreamPath(cleanUrl);
    if (file != null && file.exists()) {
        exists = true;
    }

    if (!refresh && exists) {
        try {
            FileInputStream fis = context.openFileInput(cleanUrl);
            BufferedReader br = new BufferedReader(new InputStreamReader(fis));
            StringBuffer buffer = new StringBuffer();
            for (String line; (line = br.readLine()) != null;) {
                buffer.append(line);
            }
            fis.close();
            data = buffer.toString();
        } catch (Exception e) {
            Log.e(LOG_TAG, "Error getData: " + url, e);
        }
    } else {
        boolean found = false;
        StringBuilder builder = new StringBuilder();
        try {
            InputStream stream = new HttpRequestHelper().getHttpStream(url);
            BufferedReader reader = new BufferedReader(new InputStreamReader(stream));
            String line;
            while ((line = reader.readLine()) != null) {
                builder.append(line);
            }
            stream.close();
            found = true;
        } catch (IOException e) {
            Log.e(LOG_TAG, "Error getData: " + url, e);
        } catch (Exception e) {
            Log.e(LOG_TAG, "stream is NULL");
        }
        data = builder.toString();
        if (!found && exists) {
            try {
                FileInputStream fis = context.openFileInput(cleanUrl);
                BufferedReader br = new BufferedReader(new InputStreamReader(fis));
                StringBuffer buffer = new StringBuffer();
                for (String line; (line = br.readLine()) != null;) {
                    buffer.append(line);
                }
                fis.close();
                data = buffer.toString();
            } catch (Exception e) {
                Log.e(LOG_TAG, "Error getData: " + url, e);
            }
        }
        if (data != null && data.trim().length() > 0) {
            try {
                FileOutputStream fos = context.openFileOutput(cleanUrl, Context.MODE_PRIVATE);
                fos.write(data.getBytes());
                fos.close();
            } catch (FileNotFoundException e) {
                Log.e(LOG_TAG, "Error getData: " + url, e);
            } catch (IOException e) {
                Log.e(LOG_TAG, "Error getData: " + url, e);
            }
        }
    }
    return data;
}

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From source file:com.mhise.util.MHISEUtil.java

/**
*  Returns a list of the file path containing file with extensions .p12 , .pfx , .p7b 
*
*//*from   w  w  w .  j  av  a 2  s .  com*/
public static void movePKCS12(String path, Context ctx) {

    //Move PFX or p12 store to Mobius store 
    /*  try {   
    File certificateFile=new File(path);            
    File _mobiusDirectory = new File(Constants.defaultP12StorePath);            
    if(!_mobiusDirectory.exists())
    {
          _mobiusDirectory.mkdir();
    }            
    File newKeystoreFile = new File(Constants.defaultP12StorePath + Constants.defaultP12StoreName);            
    FileInputStream fin= new FileInputStream(certificateFile);
    FileOutputStream fout= new FileOutputStream(newKeystoreFile);            
    byte buffer[] = new byte[(int) certificateFile.length()];            
    fin.read(buffer);            
    fout.write(buffer);            
    movedPath = newKeystoreFile.getAbsolutePath();
            
                    
        } catch (FileNotFoundException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
        } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
        }
      */

    try {
        KeyStore keyStore = KeyStore.getInstance("PKCS12");
        //Get saved password
        SharedPreferences sharedPreferences = ctx.getSharedPreferences(Constants.PREFS_NAME,
                Context.MODE_PRIVATE);
        String strPassword = sharedPreferences.getString(Constants.KEY_PKCS12_PASSWORD, null);
        char[] password = strPassword.toCharArray();

        //Load Selected keystore
        File input = new File(path);
        FileInputStream fin = new FileInputStream(input);
        keyStore.load(fin, password);

        OutputStream fos = ctx.openFileOutput(Constants.defaultP12StoreName, Context.MODE_PRIVATE);
        keyStore.store(fos, password);
        fos.close();

    } catch (KeyStoreException e) {
        // TODO: handle exception
        Logger.debug("MHISEUtil-->makePKCS12Store", "KeyStoreException: " + e);
    } catch (FileNotFoundException e) {
        // TODO Auto-generated catch block
        Logger.debug("MHISEUtil-->makePKCS12Store", "FileNotFoundException: " + e);
        e.printStackTrace();
    } catch (NoSuchAlgorithmException e) {
        // TODO Auto-generated catch block
        Logger.debug("MHISEUtil-->makePKCS12Store", "NoSuchAlgorithmException: " + e);
        e.printStackTrace();
    } catch (CertificateException e) {
        // TODO Auto-generated catch block
        Logger.debug("MHISEUtil-->makePKCS12Store", "CertificateException: " + e);
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        Logger.debug("MHISEUtil-->makePKCS12Store", "IOException: " + e);
        e.printStackTrace();
    }

}

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