Method ReadToken

examples/GssUtil.java:93–142

(InputStream inStream)

     * Return byte[] on success, null on failure
     */ 
    public static byte[] ReadToken(InputStream inStream) 
    {
        if (DEBUG)
            System.out.println("Entered ReadToken...");

        byte[] inputTokenBuffer = null;

        try {

            int data;
            ByteArrayOutputStream out = new ByteArrayOutputStream();

            /* First read the incomming array size (first 4 bytes) */
            int array_size = 0;
            byte[] temp = null;
            for (int i = 0; i < 4; i++) {
                data = inStream.read();
                if (DEBUG)
                    System.out.println("ReadToken... read() returned: " + data);
                out.write(data);
            }
            temp = out.toByteArray();
            array_size = Util.byteArrayToInt(temp);
            out.reset();

            if (DEBUG)
                System.out.println("... got byte array size = " + array_size);

            if (array_size < 0)
                return null;

            /* Now read our full array */
            for (int j = 0; j < array_size; j++) {
                data = inStream.read();
                out.write(data);
            }

            if (DEBUG) {
                System.out.println("... got data: ");
                Util.printByteArray(out.toByteArray());
                System.out.println("... returning from ReadToken, success");
            }

            return out.toByteArray();

        } catch (IOException e) {
            e.printStackTrace();
            return null;
        }
    }
   
    /*
     * Print a byte[], for debug purposes.