Example usage for java.io ByteArrayOutputStream ByteArrayOutputStream

Introduction

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

Prototype

public ByteArrayOutputStream()

Source Link

Document

Creates a new ByteArrayOutputStream .

Usage

From source file:Main.java

public static void writeBitmapToFile(Bitmap bitmap, File file) throws IOException {
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    bitmap.compress(Bitmap.CompressFormat.PNG, 100, bos);
    byte[] bitmapData = bos.toByteArray();

    //write the bytes in file
    FileOutputStream fos = new FileOutputStream(file);
    fos.write(bitmapData);/* w w  w  .  j  a  va 2 s .c  om*/
    fos.flush();
    fos.close();
}

From source file:Main.java

private static byte[] readInputStream(InputStream inputStream) throws IOException {
    byte[] buffer = new byte[8192];
    int len = 0;/*from   w  w w .  java 2 s . c o m*/
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    while ((len = inputStream.read(buffer)) != -1) {
        bos.write(buffer, 0, len);
    }
    bos.close();
    return bos.toByteArray();
}

From source file:Main.java

public static InputStream getInputStream(Bitmap bitmap) {
    ByteArrayOutputStream bStream = new ByteArrayOutputStream();

    bitmap.compress(CompressFormat.JPEG, 100, bStream);

    return new ByteArrayInputStream(bStream.toByteArray());
}

From source file:Main.java

public static byte[] compress(String str) throws Exception {
    if (str == null || str.length() == 0) {
        return null;
    }//from   ww w .  j  a v a  2s .  c om

    ByteArrayOutputStream obj = new ByteArrayOutputStream();
    GZIPOutputStream gzip = new GZIPOutputStream(obj);

    gzip.write(str.getBytes());
    gzip.close();

    byte[] compressed = obj.toByteArray();
    obj.close();

    return compressed;
}

From source file:Main.java

public static byte[] serializeObject(Object o) {
    ByteArrayOutputStream bos = new ByteArrayOutputStream();

    try {//w  w w  .java 2 s . c  o m
        ObjectOutput out = new ObjectOutputStream(bos);
        out.writeObject(o);
        out.close();

        byte[] buf = bos.toByteArray();

        return buf;
    } catch (IOException ioe) {
        //         Log.e("serializeObject", "error", ioe);

        return null;
    }
}

From source file:Main.java

public static InputStream getBitmapPngStream(Bitmap theBitmap) {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    theBitmap.compress(Bitmap.CompressFormat.PNG, 95, baos);

    byte[] data = baos.toByteArray();
    return new ByteArrayInputStream(data);
}

From source file:Main.java

public static InputStream getBitmapJpegStream(Bitmap theBitmap) {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    theBitmap.compress(Bitmap.CompressFormat.JPEG, 95, baos);

    byte[] data = baos.toByteArray();
    return new ByteArrayInputStream(data);
}

From source file:Main.java

public static void saveThumbnail(String filePath, Bitmap bitmap) {
    ByteArrayOutputStream bytes = new ByteArrayOutputStream();

    bitmap.compress(Bitmap.CompressFormat.JPEG, 100, bytes);

    // you can create a new file name "test.jpg" in sdcard folder.

    File f = new File(filePath);

    try {//w  w w. j a v a 2  s.c o  m

        f.createNewFile();
        // write the bytes in file
        FileOutputStream fo = new FileOutputStream(f);
        fo.write(bytes.toByteArray());
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static byte[] bitmap2Bytes(Bitmap bm) {
    if (null == bm) {
        return null;
    }/* ww  w. j  a v  a 2  s  .c  o m*/
    try {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        bm.compress(Bitmap.CompressFormat.PNG, 100, baos);
        return baos.toByteArray();
    } catch (OutOfMemoryError e) {
    }

    return null;
}

From source file:Main.java

public static String inputStream2String(InputStream in) throws IOException {
    byte[] buf = new byte[1024];
    ByteArrayOutputStream baos = new ByteArrayOutputStream();

    for (int i; (i = in.read(buf)) != -1;) {
        baos.write(buf, 0, i);//ww  w .  j  a v  a  2 s  .  c  o  m
    }

    return baos.toString("UTF-8");
}