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

/**
 * @param fileName /*w w  w. ja  v a2s  .  c o  m*/
 * @param message
 */
public static void writeFileSdcard(String fileName, String message) {

    try {

        FileOutputStream fout = new FileOutputStream(fileName);
        byte[] bytes = message.getBytes();
        fout.write(bytes);
        fout.flush();
        fout.close();
    }

    catch (Exception e) {

        e.printStackTrace();

    }

}

From source file:de.huxhorn.lilith.tools.CreateMd5Command.java

public static boolean createMd5(File input) {
    final Logger logger = LoggerFactory.getLogger(CreateMd5Command.class);

    if (!input.isFile()) {
        if (logger.isWarnEnabled())
            logger.warn("{} isn't a file!", input.getAbsolutePath());
        return false;
    }/*from   w w w .  j  av  a2  s  .c  o m*/
    File output = new File(input.getParentFile(), input.getName() + ".md5");

    try {

        FileInputStream fis = new FileInputStream(input);
        byte[] md5 = ApplicationPreferences.getMD5(fis);
        if (md5 == null) {
            if (logger.isWarnEnabled()) {
                logger.warn("Couldn't calculate checksum for {}!", input.getAbsolutePath());
            }
            return false;
        }
        FileOutputStream fos = new FileOutputStream(output);
        fos.write(md5);
        fos.close();
        if (logger.isInfoEnabled()) {
            logger.info("Wrote checksum of {} to {}.", input.getAbsolutePath(), output.getAbsolutePath());
            logger.info("MD5: {}", Hex.encodeHexString(md5));
        }
    } catch (IOException e) {
        if (logger.isWarnEnabled())
            logger.warn("Exception while creating checksum!", e);
        return false;
    }
    return true;
}

From source file:Main.java

/**
 * Take the screen shot of the device//w  ww .  j a v  a  2  s . co m
 * 
 * @param view
 */
public static void screenShotMethod(View view) {
    Bitmap bitmap;
    if (view != null) {
        View v1 = view;
        v1.setDrawingCacheEnabled(true);
        v1.buildDrawingCache(true);
        bitmap = Bitmap.createBitmap(v1.getDrawingCache());
        v1.setDrawingCacheEnabled(false);

        ByteArrayOutputStream bytes = new ByteArrayOutputStream();
        bitmap.compress(Bitmap.CompressFormat.JPEG, 100, bytes);
        File f = new File(Environment.getExternalStorageDirectory().getAbsolutePath() + File.separator
                + "CySmart" + File.separator + "file.jpg");
        try {
            FileOutputStream fo = new FileOutputStream(f);
            fo.write(bytes.toByteArray());
            fo.flush();
            fo.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

}

From source file:Main.java

public static void write(Context context, String fileName, String content) {
    if (content == null)
        content = "";

    try {/* ww w.j a  v a 2s  .c  om*/
        FileOutputStream fos = context.openFileOutput(fileName, Context.MODE_PRIVATE);
        fos.write(content.getBytes());
        fos.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:Main.java

private static void writeInstallationFile(File installation) throws IOException {
    FileOutputStream out = new FileOutputStream(installation);
    String id = UUID.randomUUID().toString();
    out.write(id.getBytes());
    out.close();//ww  w  . j  a  va 2s.co m
}

From source file:Main.java

public static boolean writeToExternalStoragePublic(String filename, String fileContent) {
    boolean saved = false;
    String path = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS) + "/";
    if (isExternalStorageAvailable() && !isExternalStorageReadOnly()) {
        try {/*from  w w w .j  av a  2 s .c om*/
            boolean exists = (new File(path)).exists();
            if (!exists) {
                new File(path).mkdirs();
            }

            //Remote legacy file
            File file = new File(path + filename);
            file.delete();

            // Open output stream
            FileOutputStream fOut = new FileOutputStream(path + filename, true);
            fOut.write(fileContent.getBytes());
            // Close output stream
            fOut.flush();
            fOut.close();

            saved = true;
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    return saved;
}

From source file:Main.java

/**
 * Write data to file./* w ww  .  j av  a  2 s . c  o m*/
 *
 * @param fileName
 * @param message
 */
public static void write2File(String fileName, String message, boolean append) {
    try {
        FileOutputStream outStream = new FileOutputStream(fileName, append);
        byte[] bytes = message.getBytes();
        outStream.write(bytes);
        outStream.close();
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:fr.asso.vieillescharrues.parseurs.TelechargeFichier.java

/**
 * Mthode statique grant le tlechargement de fichiers
 * @param url Adresse du fichier/*from   w w w. j  a  v  a 2s  . c  om*/
 * @param fichierDest Nom du ficher en local
 */
public static void DownloadFromUrl(URL url, String fichierDest) throws IOException {
    File file;
    if (fichierDest.endsWith(".jpg"))
        file = new File(PATH + "images/", fichierDest);
    else
        file = new File(PATH, fichierDest);
    file.getParentFile().mkdirs();
    URLConnection ucon = url.openConnection();

    try {
        tailleDistant = ucon.getHeaderFieldInt("Content-Length", 0); //Rcupre le header HTTP Content-Length
        tailleLocal = (int) file.length();
    } catch (Exception e) {
        e.printStackTrace();
    }
    // Compare les tailles des fichiers
    if ((tailleDistant == tailleLocal) && (tailleLocal != 0))
        return;

    InputStream is = ucon.getInputStream();
    BufferedInputStream bis = new BufferedInputStream(is);
    ByteArrayBuffer baf = new ByteArrayBuffer(50);
    int current = 0;
    while ((current = bis.read()) != -1) {
        baf.append((byte) current);
    }
    FileOutputStream fos = new FileOutputStream(file);
    fos.write(baf.toByteArray());
    fos.close();
}

From source file:subhan.portal.config.Util.java

public static void downloadFromUrl(String downloadUrl, String fileName) throws IOException {
    File root = android.os.Environment.getExternalStorageDirectory(); // path ke sdcard

    File dir = new File(root.getAbsolutePath() + "/youread"); // path ke folder

    if (dir.exists() == false) { // cek folder eksistensi
        dir.mkdirs(); // kalau belum ada, dibuat
    }//from w  ww  .  j  av  a  2  s.c  o m

    URL url = new URL(downloadUrl); // you can write here any link
    File file = new File(dir, fileName);

    // Open a connection to that URL. 
    URLConnection ucon = url.openConnection();

    // Define InputStreams to read from the URLConnection. 
    InputStream is = ucon.getInputStream();
    BufferedInputStream bis = new BufferedInputStream(is);

    // Read bytes to the Buffer until there is nothing more to read(-1).
    ByteArrayBuffer baf = new ByteArrayBuffer(5000);
    int current = 0;
    while ((current = bis.read()) != -1) {
        baf.append((byte) current);
    }

    // Convert the Bytes read to a String. 
    FileOutputStream fos = new FileOutputStream(file);
    fos.write(baf.toByteArray());
    fos.flush();
    fos.close();
}

From source file:Main.java

private static void saveToFile(byte[] data, String path) {
    if (data == null || data.length == 0) {
        return;/* w  w  w  .  j a v  a2  s.c  o m*/
    }
    if (TextUtils.isEmpty(path)) {
        return;
    }
    FileOutputStream fos = null;
    try {
        fos = new FileOutputStream(path, true);
        fos.write(data);
        fos.flush();
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (fos != null) {
            try {
                fos.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}