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 save2File(byte[] content, File file) throws IOException {
    FileOutputStream outStream = new FileOutputStream(file);
    outStream.write(content);
    outStream.flush();//w  ww .  j  a  v a2s.  c  o  m
    outStream.close();
}

From source file:Main.java

/**
 * Write file to sdcard/* w  w  w.  j ava 2s .  c om*/
 * @param dir
 * @param bt
 * @return
 */
public synchronized static File writeToSDCard(String dir, byte[] bt) {
    File file = null;
    try {
        file = new File(dir);
        if (file.exists()) {
            return file;
        }
        file.createNewFile();

        FileOutputStream fos = new FileOutputStream(file);
        fos.write(bt);
        fos.close();
        return file;
    } catch (Exception e) {
        if (file.exists()) {
            file.delete();
        }
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

public static File getFile(Context context, Bitmap sourceImg) {
    try {//from   w w  w  .jav  a2 s  . c om
        File f = new File(context.getCacheDir(), System.currentTimeMillis() + "temp.jpg");
        f.createNewFile();
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        int options = 100;
        sourceImg.compress(Bitmap.CompressFormat.JPEG, options, bos);
        while (bos.toByteArray().length / 1024 > 100) {
            bos.reset();
            options -= 10;
            sourceImg.compress(Bitmap.CompressFormat.JPEG, options, bos);
        }
        byte[] bitmapdata = bos.toByteArray();
        FileOutputStream fos = new FileOutputStream(f);
        fos.write(bitmapdata);
        fos.flush();
        fos.close();
        return f;
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

public static void saveHistory(String extractPath, String md5, int index) {
    try {//from  w w  w. ja  va  2 s .c  om
        FileOutputStream fos = new FileOutputStream(extractPath + "/history_" + md5, false);
        fos.write(("" + index).getBytes());
        fos.close();
    } catch (IOException ignored) {
    }
}

From source file:Main.java

public static void CacheString(String data, String filename, Context ctx) {
    try {/* w  ww . j  a  va  2 s. com*/
        FileOutputStream fos = ctx.openFileOutput(filename, Context.MODE_PRIVATE);
        fos.write(data.getBytes());
        fos.close();
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }

}

From source file:Main.java

public static void write(Context context, byte[] data, String fileName)
        throws FileNotFoundException, IOException {

    File file = getFile(context, fileName);

    if (file != null && data != null) {
        FileOutputStream fos = new FileOutputStream(file);
        fos.write(data);
        fos.close();/*ww  w  .j  ava 2 s  . c o  m*/
    }
}

From source file:Main.java

public static void writeFile(Context context, String text, String fileName) {
    try {/*from  w  w w .j  a  v a2  s .  co m*/
        FileOutputStream fos = context.openFileOutput(fileName, Context.MODE_APPEND);
        fos.write(text.getBytes());
        fos.close();
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }

}

From source file:Main.java

public static void writeToPublicDirectory(String filename, byte[] data, String directory,
        String environmentDirectory) throws Exception {
    File publicDirectory = new File(Environment.getExternalStoragePublicDirectory(environmentDirectory),
            directory);/*  w w  w . j a va 2s .c om*/
    boolean result = publicDirectory.mkdirs();
    File targetFile = new File(publicDirectory, filename);
    FileOutputStream fileOutputStream = new FileOutputStream(targetFile);
    fileOutputStream.write(data);
    fileOutputStream.close();
}

From source file:Main.java

public static boolean saveDrawabletoFile(Context c, Drawable d, File file) {
    //create a file to write bitmap data
    try {//from  w  w w.  ja va2  s  .  c om
        file.createNewFile();
        //Convert bitmap to byte array
        Bitmap bitmap = ((BitmapDrawable) d).getBitmap();
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        bitmap.compress(CompressFormat.PNG, 0 /*ignored for PNG*/, bos);
        byte[] bitmapdata = bos.toByteArray();

        //write the bytes in file
        FileOutputStream fos = new FileOutputStream(file);
        fos.write(bitmapdata);
        fos.flush();
        fos.close();
        return true;
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    return false;
}

From source file:Main.java

/**
 * Saves a file from the given URL using HTTPS to the given filename and returns the file
 * @param link URL to file//from   w  ww.j a  v  a 2s . c  o m
 * @param fileName Name to save the file
 * @return The file
 * @throws IOException Thrown if any IOException occurs
 */
public static void saveFileFromNetHTTPS(URL link, String fileName) throws IOException {
    HttpsURLConnection con = (HttpsURLConnection) link.openConnection();

    InputStream in = new BufferedInputStream(con.getInputStream());
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    byte[] buf = new byte[1024];
    int n = 0;
    while (-1 != (n = in.read(buf))) {
        out.write(buf, 0, n);
    }
    out.close();
    in.close();
    byte[] response = out.toByteArray();

    File f = new File(fileName);
    if (f.getParentFile() != null) {
        if (f.getParentFile().mkdirs()) {
            System.out.println("Created Directory Structure");
        }
    }

    FileOutputStream fos = new FileOutputStream(f);
    fos.write(response);
    fos.close();
}