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 byte[] readFile(File f) throws IOException {
    FileInputStream fis = new FileInputStream(f);
    try {/*from  ww w .j  a v a  2 s  .c o m*/
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        BufferedInputStream bis = new BufferedInputStream(fis);
        int ch;
        while ((ch = bis.read()) >= 0) {
            baos.write(ch);
        }
        baos.flush();
        return baos.toByteArray();
    } finally {
        fis.close();
    }
}

From source file:Main.java

public static <T> List<T> deepCopy(List<T> src) throws IOException, ClassNotFoundException {
    ByteArrayOutputStream byteOut = new ByteArrayOutputStream();
    ObjectOutputStream out = new ObjectOutputStream(byteOut);
    out.writeObject(src);/*  ww w . j  av a2 s.co m*/

    ByteArrayInputStream byteIn = new ByteArrayInputStream(byteOut.toByteArray());
    ObjectInputStream in = new ObjectInputStream(byteIn);
    @SuppressWarnings("unchecked")
    List<T> dest = (List<T>) in.readObject();
    return dest;
}

From source file:Main.java

static byte[] readInputStream(InputStream inputStream) {
    byte[] bArr = null;
    if (inputStream != null) {
        try {/* w  ww.  j  a va  2  s  . c  o  m*/
            ByteArrayOutputStream result = new ByteArrayOutputStream();
            byte[] buffer = new byte[16384];
            while (true) {
                int chunkSize = inputStream.read(buffer);
                if (chunkSize < 0) {
                    break;
                } else if (chunkSize > 0) {
                    result.write(buffer, 0, chunkSize);
                }
            }
            bArr = result.toByteArray();
            if (inputStream != null) {
                try {
                    inputStream.close();
                } catch (IOException e) {
                }
            }
        } catch (IOException e2) {
            if (inputStream != null) {
                try {
                    inputStream.close();
                } catch (IOException e3) {
                }
            }
        } catch (Throwable th) {
            if (inputStream != null) {
                try {
                    inputStream.close();
                } catch (IOException e4) {
                }
            }
        }
    }
    return bArr;
}

From source file:Main.java

public static String readRawTextFile(Context ctx, int resId) {
    InputStream inputStream = ctx.getResources().openRawResource(resId);

    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();

    int i;/*w  w  w. ja  v  a  2s  .c o m*/
    try {
        i = inputStream.read();
        while (i != -1) {
            byteArrayOutputStream.write(i);
            i = inputStream.read();
        }
        inputStream.close();
    } catch (IOException e) {
        return null;
    }
    return byteArrayOutputStream.toString();
}

From source file:Main.java

public static byte[] bitmap2JPGByteArray(Bitmap bitmap) {
    ByteArrayOutputStream stream = new ByteArrayOutputStream();
    bitmap.compress(Bitmap.CompressFormat.JPEG, 100, stream);
    return stream.toByteArray();
}

From source file:Main.java

public static byte[] bitmap2PNGByteArray(Bitmap bitmap) {
    ByteArrayOutputStream stream = new ByteArrayOutputStream();
    bitmap.compress(Bitmap.CompressFormat.PNG, 100, stream);
    return stream.toByteArray();
}

From source file:Main.java

/**
 * /*  w  w w  .  j  av  a 2s .c o  m*/
 * @param in
 * @return
 * @throws IOException
 */
public static String readFormStream(InputStream in) throws IOException {
    ByteArrayOutputStream out = new ByteArrayOutputStream();

    int len = 0;
    byte[] buffer = new byte[1024];
    while ((len = in.read(buffer)) != -1) {
        out.write(buffer, 0, len);
    }

    String result = out.toString();
    in.close();
    out.close();

    return result;
}

From source file:Main.java

public static byte[] toBytes(InputStream in) throws IOException {
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    int ch;/*  ww  w.  j  a  v  a 2  s.c  o m*/
    while ((ch = in.read()) != -1) {
        out.write(ch);
    }
    byte buffer[] = out.toByteArray();
    out.close();
    return buffer;
}

From source file:Main.java

public static String readFile(Activity activity, String fileName) {
    AssetManager assets = activity.getAssets();
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    byte buf[] = new byte[1024];
    int len;/* www  .j a  v a2  s .  c  om*/
    try {
        InputStream inputStream = assets.open(fileName);
        while ((len = inputStream.read(buf)) != -1) {
            outputStream.write(buf, 0, len);
        }
        outputStream.close();
        inputStream.close();
        return outputStream.toString();
    } catch (IOException e) {
        e.printStackTrace();
        return null;
    }
}

From source file:Main.java

public static byte[] getBytes(InputStream is) throws IOException {
    ByteArrayOutputStream os = null;
    try {/*from   w  w  w  . j a v  a2  s.  co  m*/
        os = new ByteArrayOutputStream();
        copyStream(is, os);
    } finally {
        os.close();
    }
    return os.toByteArray();
}