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[] getFileByte(InputStream is) {
    try {/*ww  w .j  ava  2s . c o m*/
        byte[] buffer = new byte[1024];
        int len = -1;
        ByteArrayOutputStream outStream = new ByteArrayOutputStream();
        while ((len = is.read(buffer)) != -1) {
            outStream.write(buffer, 0, len);
        }
        byte[] data = outStream.toByteArray();
        outStream.close();
        is.close();
        return data;
    } catch (IOException e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

public static String getStringFromInput(InputStream is) throws IOException {
    ByteArrayOutputStream byteOus = new ByteArrayOutputStream();
    byte[] tmp = new byte[1024];
    int size = 0;
    while ((size = is.read(tmp)) != -1) {
        byteOus.write(tmp, 0, size);//from   ww  w. j  a  v  a 2  s. com
    }
    byteOus.flush();
    is.close();
    return byteOus.toString();
}

From source file:Main.java

public static byte[] compress(String str) {
    if (str == null || str.length() == 0) {
        return str.getBytes();
    }//ww w. j a v  a 2  s .c  o  m
    final ByteArrayOutputStream out = new ByteArrayOutputStream();
    try {
        final GZIPOutputStream gzip = new GZIPOutputStream(out);
        gzip.write(str.getBytes());
        gzip.close();
    } catch (final IOException e) {
        e.printStackTrace();
    }
    return out.toByteArray();
}

From source file:Main.java

/**
 * convert bitmap to byte[]/*from w  w  w . j a v  a2 s  .c  om*/
 * 
 * @param bitmap
 * @return byte[]
 */
public static byte[] bitmap2Bytes(Bitmap bitmap) {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    bitmap.compress(Bitmap.CompressFormat.JPEG, 100, baos);
    return baos.toByteArray();
}

From source file:Main.java

public static byte[] zip(byte[] input) {
    if (input == null || input.length == 0) {
        return input;
    }/*from   w w  w.j  a va  2  s .c  om*/
    try {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        GZIPOutputStream gzip = new GZIPOutputStream(out);
        gzip.write(input);
        gzip.close();
        return out.toByteArray();
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

From source file:Main.java

/**
 * bitmap -> bytes//  w  w  w .  j  a  v a 2 s .  c  o m
 * 
 * */
public static byte[] bitmap2Bytes(Bitmap bitmap) {
    if (null == bitmap) {
        return null;
    }

    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
    bitmap.compress(Bitmap.CompressFormat.PNG, 100, byteArrayOutputStream);

    return byteArrayOutputStream.toByteArray();
}

From source file:Main.java

private static byte[] cprsBmpByQuality(WeakReference<Bitmap> bmp, int maxSize) {
    if (bmp == null || bmp.get() == null)
        return null;
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    bmp.get().compress(Bitmap.CompressFormat.JPEG, 70, baos);
    bmp.get().recycle();/*from  w  w w. j  a va  2s . co  m*/
    return baos.toByteArray();
}

From source file:Main.java

public static byte[] bmpToByteArray(final Bitmap bmp, final boolean needRecycle) {
    if (bmp == null || bmp.isRecycled())
        return null;
    ByteArrayOutputStream output = new ByteArrayOutputStream();
    bmp.compress(Bitmap.CompressFormat.PNG, 100, output);
    if (needRecycle) {
        bmp.recycle();/*from   ww w .j a va2s.co  m*/
    }

    byte[] result = output.toByteArray();
    try {
        output.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return result;
}

From source file:Main.java

public static byte[] readStream(InputStream inStream) throws Exception {
    byte[] buffer = new byte[1024];
    int len = -1;
    ByteArrayOutputStream outStream = new ByteArrayOutputStream();
    while ((len = inStream.read(buffer)) != -1) {
        outStream.write(buffer, 0, len);
    }//  w  w w .  j a v  a  2 s.  c om
    byte[] data = outStream.toByteArray();
    outStream.close();
    inStream.close();
    return data;

}

From source file:Main.java

public static String beanToXml(Object to) {
    try {/*from   w  w w .ja  va 2  s  .  c o  m*/
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        JAXBContext context = JAXBContext.newInstance(to.getClass());
        Marshaller marshaller = context.createMarshaller();
        marshaller.marshal(to, out);
        return new String(out.toByteArray(), "UTF-8");
    } catch (JAXBException | UnsupportedEncodingException e) {
        e.printStackTrace();
    }
    return null;
}