Example usage for java.io FileOutputStream write

Introduction

In this page you can find the example usage for java.io FileOutputStream write.

Prototype

public void write(byte b[]) throws IOException

Source Link

Document

Writes b.length bytes from the specified byte array to this file output stream.

Usage

From source file:Main.java

public static void writeSDFile(String fileName, String write_str) throws IOException {
    File file = new File(fileName);

    FileOutputStream fos = new FileOutputStream(file);

    byte[] bytes = write_str.getBytes();

    fos.write(bytes);

    fos.close();//from w  ww .j a va 2s.  c om
}

From source file:Main.java

public static String loadImageFromUrl(Context context, String imageURL, File file) {
    try {//  ww  w .  jav a  2s .com
        URL url = new URL(imageURL);
        HttpURLConnection con = (HttpURLConnection) url.openConnection();
        con.setConnectTimeout(5 * 1000);
        con.setDoInput(true);
        con.connect();
        if (con.getResponseCode() == 200) {
            InputStream inputStream = con.getInputStream();

            ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
            byte[] buffer = new byte[1024 * 20];
            int length = -1;
            while ((length = inputStream.read(buffer)) != -1) {
                byteArrayOutputStream.write(buffer, 0, length);
            }
            byteArrayOutputStream.close();
            inputStream.close();

            FileOutputStream outputStream = new FileOutputStream(file);
            outputStream.write(byteArrayOutputStream.toByteArray());
            outputStream.close();
            return file.getPath();
        }
    } catch (MalformedURLException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return "";
}

From source file:Main.java

@SuppressWarnings("unused")
private static void saveImage(byte[] data) {
    File pictureFile = getOutputMediaFile(MEDIA_TYPE_IMAGE);
    if (pictureFile == null) {
        Log.d(TAG, "Error creating media file, check storage permissions");
        return;/*from www . ja  va2s  . c om*/
    }

    try {
        FileOutputStream fos = new FileOutputStream(pictureFile);
        fos.write(data);
        fos.close();
    } catch (FileNotFoundException e) {
        Log.d(TAG, "File not found: " + e.getMessage());
    } catch (IOException e) {
        Log.d(TAG, "Error accessing file: " + e.getMessage());
    }
}

From source file:Main.java

/**
 * DB test//from w w w.j a  va2  s .co m
 */
public static void runBackup(Context context) {
    File file = context.getDatabasePath("PhotoDeskHiddenFolder.db");
    int size = (int) file.length();

    String path = Environment.getExternalStorageDirectory() + "/PhotoDesk/";
    try {
        byte[] buffer = new byte[size];
        InputStream inputStream = new FileInputStream(file);
        inputStream.read(buffer);
        inputStream.close();

        File outputDBDirectory = new File(path);
        if (!outputDBDirectory.isDirectory())
            outputDBDirectory.mkdir();

        path += "test.db";

        File outputFile = new File(path);
        FileOutputStream outputStream = new FileOutputStream(outputFile);
        outputStream.write(buffer);
        outputStream.flush();
        outputStream.close();

    } catch (Exception e) {
    }
}

From source file:Main.java

public static void writeToFile(File file, byte[] data) throws IOException {
    FileOutputStream fou = null;
    try {//from   w w w.jav  a2s.c o m
        fou = new FileOutputStream(file);
        fou.write(data);
    } finally {
        if (fou != null) {
            try {
                fou.close();
            } catch (IOException e) {
            }
        }
    }
}

From source file:Main.java

public static void write(Context context, String fileName, String content) {
    if (content == null) {
        content = "";
    }//  w  w  w.j  a v a2  s.  c  o m
    try {
        FileOutputStream fs = context.openFileOutput(fileName, Context.MODE_PRIVATE);
        fs.write(content.getBytes());
        fs.close();
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:Main.java

/**
 * save private key and public key of a keypair in the directory
 *
 * @param dir//  w ww .  j av  a2 s. c  om
 * @param keyPair
 * @param name keys will be stored as name_private.key and name_public.key
 * @throws IOException
 */
public static void saveKeyPair(File dir, KeyPair keyPair, String name) throws IOException {

    // Store Public Key.
    X509EncodedKeySpec x509EncodedKeySpec = new X509EncodedKeySpec(keyPair.getPublic().getEncoded());
    FileOutputStream fos = new FileOutputStream(new File(dir, name + "_public.key"));
    fos.write(x509EncodedKeySpec.getEncoded());
    fos.close();

    // Store Private Key.
    PKCS8EncodedKeySpec pkcs8EncodedKeySpec = new PKCS8EncodedKeySpec(keyPair.getPrivate().getEncoded());
    fos = new FileOutputStream(new File(dir, name + "_private.key"));
    fos.write(pkcs8EncodedKeySpec.getEncoded());
    fos.close();
}

From source file:Main.java

public static void logGlobalException(Context c, String[] logs) {
    String dir = c.getExternalFilesDir(null).getParent();
    try {// w  w  w. j a  v a 2 s .co  m
        File file = new File(dir + "/error_logs.log");
        // if file doesnt exists, then create it
        if (!file.exists()) {
            file.createNewFile();
        }
        FileOutputStream fos = new FileOutputStream(file, true);

        for (String log : logs) {
            fos.write((log + "\n\n").getBytes());
        }
        fos.close();
    } catch (IOException ioe) {
        Log.e("AndroidUtils", "An exception has occured in logGlobalException!");
        ioe.printStackTrace();
    }
}

From source file:Main.java

/**
 * Creates a File from a Bitmap//from www  . j  a  v a2  s .c o  m
 *
 * @param bitmap to convert in a file
 *
 * @return File
 */
public static File createFileFromBitmap(Bitmap bitmap) {

    if (bitmap == null)
        return null;

    File photoFile = null;

    ByteArrayOutputStream bytes = new ByteArrayOutputStream();
    bitmap.compress(Bitmap.CompressFormat.PNG, 100, bytes);
    File photoStorage = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES);
    if (photoStorage != null) {
        photoFile = new File(photoStorage, (System.currentTimeMillis()) + ".png");
        try {
            //f.createNewFile();
            FileOutputStream fo = new FileOutputStream(photoFile);
            fo.write(bytes.toByteArray());
            fo.flush();
            fo.close();
        } catch (IOException e) {
            Log.e(TAG, "Error saving image ", e);
        }
    }

    return photoFile;
}

From source file:org.apache.camel.example.SpringJmsClientServerTest.java

@BeforeClass
public static void setupFreePort() throws Exception {
    // find a free port number, and write that in the custom.properties file
    // which we will use for the unit tests, to avoid port number in use problems
    int port = AvailablePortFinder.getNextAvailable();
    String bank1 = "tcp.port=" + port;

    File custom = new File("target/custom.properties");
    FileOutputStream fos = new FileOutputStream(custom);
    fos.write(bank1.getBytes());
    fos.close();/*from   w w w .jav a2  s.c o  m*/
}