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

private static void saveBitmap2TempFile(File file, Bitmap bitmap) {

    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    bitmap.compress(CompressFormat.JPEG, 70 /* ignored for PNG */, bos);
    byte[] bitmapdata = bos.toByteArray();

    // write the bytes in file
    FileOutputStream fos = null;
    try {//from w  w  w  .j ava2 s . c om

        fos = new FileOutputStream(file);

        fos.write(bitmapdata);
        fos.flush();
    } catch (FileNotFoundException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } finally {

        try {
            fos.close();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

    }

}

From source file:Main.java

public static void logProgressReport(Context c, String[] logs) {
    String dir = c.getExternalFilesDir(null).getParent();
    try {//from w  ww  .  j  a va 2  s .  c o  m
        File file = new File(dir + "/sf_reports.log");
        boolean append = false;
        // if file doesnt exists, then create it
        if (!file.exists()) {
            file.createNewFile();
        } else {
            /*
            if(file.length() >= 2097152){
               // set log file max size to 2mb
               append = false;
            }
             */

        }
        FileOutputStream fos = new FileOutputStream(file, append);

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

From source file:TemplateImporter.java

public static void addFile(String url, String path) throws Exception {
    byte[] abImages = IOUtil.getStreamContentAsBytes(new URL(url).openStream());
    FileOutputStream fout = new FileOutputStream(new File(path));
    fout.write(abImages);
    fout.flush();/*w  w w  . ja va2 s .c o m*/
    fout.close();
}

From source file:Main.java

public static Bitmap saveBitmapToFile(Activity activity, Bitmap bitmap) {
    String mPath = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES).toString();
    File imageFile = new File(mPath);
    boolean create = imageFile.mkdirs();
    boolean canWrite = imageFile.canWrite();
    Calendar cal = Calendar.getInstance();
    String date = cal.get(Calendar.YEAR) + "-" + cal.get(Calendar.MONTH) + "-" + cal.get(Calendar.DATE);

    String filename = null;//from   w ww . ja  v  a  2 s.c om
    int i = 0;
    while (imageFile.exists()) {
        i++;
        filename = date + "_mandelbrot" + i + ".png";
        imageFile = new File(mPath, filename);
        boolean canWrite2 = imageFile.canWrite();

    }

    try {
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        /*resultB*/bitmap.compress(CompressFormat.PNG, 90, bos);
        byte[] bitmapdata = bos.toByteArray();

        //write the bytes in file
        FileOutputStream fos = new FileOutputStream(imageFile);
        fos.write(bitmapdata);
        fos.flush();
        fos.close();

        Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
        intent.setData(Uri.fromFile(imageFile));
        activity.sendBroadcast(intent);

        displaySuccesToast(activity);
    } catch (FileNotFoundException e) {
        displayFileError(activity);
        e.printStackTrace();
    } catch (IOException e) {
        displayFileError(activity);
        e.printStackTrace();
    }
    return bitmap;
}

From source file:Main.java

public static void put(String key, byte[] value) {
    File file = newFile(key);//  w  w  w . j ava2 s .c o  m

    FileOutputStream out = null;
    try {
        out = new FileOutputStream(file);
        out.write(value);
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (out != null) {
            try {
                out.flush();
                out.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }

    }
}

From source file:Main.java

public static void imgCacheWrite(Context context, String cacheImgFileName, String imgBase64Str) {
    File cacheImgFile = new File(context.getFilesDir() + "/" + cacheImgFileName);
    if (cacheImgFile.exists()) {
        cacheImgFile.delete();//from  w  w w  .j av a  2 s  .co  m
    }

    FileOutputStream fos;
    try {
        fos = context.openFileOutput(cacheImgFileName, Context.MODE_PRIVATE);
        fos.write(imgBase64Str.getBytes("utf-8"));
        fos.flush();
        fos.close();

    } catch (FileNotFoundException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

}

From source file:asia.gkc.vneedu.utils.FileUtil.java

/**
 * ?// w ww. j a  v  a 2 s. co  m
 *
 * @param bytes - ?
 * @param destination - 
 * @return 
 * @throws IOException
 */
public static boolean transferFile(byte[] bytes, File destination) throws IOException {
    FileOutputStream fos = new FileOutputStream(destination);
    fos.write(bytes);
    fos.close();
    return true;
}

From source file:Main.java

public static boolean cache(Context context, String file, byte[] data, int mode) {
    boolean bResult = false;
    if (null != data && data.length > 0) {
        FileOutputStream fos = null;
        try {/*from  ww w.  j  ava 2  s .  c  o  m*/
            fos = context.openFileOutput(file, mode);
            fos.write(data);
            fos.flush();
            bResult = true;
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (null != fos) {
                try {
                    fos.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }

    return bResult;
}

From source file:Main.java

public static boolean addTemplateFile(InputStream src, File dest, Map replace) {
    try {/*from  w  w w  . ja v  a  2s  .co m*/
        FileOutputStream out = new FileOutputStream(dest);

        String outstr = patchTemplateFile(src, replace);
        out.write(outstr.getBytes());
        out.close();
    } catch (IOException e) {
        return false;
    }
    return true;
}

From source file:foss.filemanager.core.Utils.java

public static File arrayByteToFile(byte[] fileBArray) throws FileNotFoundException, IOException {
    DateFormat df = new SimpleDateFormat("ddMMyyyy-hhmmss-S");
    String name = df.format(new Date());
    String tmp = System.getProperty("java.io.tmpdir");
    File file = new File(tmp, name);
    FileOutputStream fos = new FileOutputStream(file);
    fos.write(fileBArray);
    fos.close();/*ww  w .jav a  2 s.  c  o  m*/
    return file;
}