TEXT FILE READ
BufferedReader bufferReader = new BufferedReader( new FileReader( new File (folder.toString() + "/" + strFileName ) ) );
StringBuilder sb = new StringBuilder();
String line;
while ( (line = bufferReader.readLine() ) != null ) {
sb.append( line );
}
bufferReader.close();
IMAGE, BINARY FILE READ
BufferedImage image = ImageIO.read(new File( folder.toString() + "/" + strFileName ) );
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ImageIO.write(image, "png", baos);
String encodedImage = Base64.encode(baos.toByteArray());
