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File to byte array

/ Published in: Java
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  1. private static byte[] fileToByteArray(String fileName) throws Exception {
  2. 		FileInputStream fis = new FileInputStream(fileName);
  3. 		ByteArrayOutputStream baos = new ByteArrayOutputStream();
  4.  
  5. 		byte buffer[] = new byte[4096];
  6. 		int length = -1;
  7.  
  8. 		while (true) {
  9. 			length = fis.read(buffer);
  10. 			if (length == -1){
  11. 				break;
  12. 			}
  13. 			baos.write(buffer, 0, length);
  14. 		}
  15.  
  16. 		fis.close();
  17.  
  18. 		return baos.toByteArray();
  19. 	}

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