import org.codelibs.core.exception.IORuntimeException;

/**
 * Utility class for {@link OutputStream} operations.
 *
 * @author shot
 */
public abstract class OutputStreamUtil {

    /**
     * Do not instantiate.
     */
    protected OutputStreamUtil() {
    }

    /**
     * Creates a {@link FileOutputStream}.
     *
     * @param file the file (must not be {@literal null})

     */
    public static int copy(final InputStream in, final File out) {
        assertArgumentNotNull("in", in);
        assertArgumentNotNull("out", out);

        final FileOutputStream os = OutputStreamUtil.create(out);
        try {
            if (in instanceof FileInputStream) {
                return copyInternal((FileInputStream) in, os);
            }
            return copyInternal(wrap(in), os);

     * @param bytes
     *            The byte array to write.
     */
    public static void writeBytes(final String pathname, final byte[] bytes) {
        try (FileOutputStream fos = OutputStreamUtil.create(new File(pathname))) {
            ChannelUtil.write(fos.getChannel(), ByteBuffer.wrap(bytes));
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }
    }