Examples with CoderException lucee.runtime.coder.CoderException used on opensource projects

Example 1 with CoderException

use of lucee.runtime.coder.CoderException in project Lucee by lucee.

the class Base64Encoder method decodeGroup.

/**
 * Decode four chars from data into 0-3 bytes of data starting at position in array.
 * @return	the number of bytes decoded.
 */
private static int decodeGroup(char[] data, byte[] array, int position) throws CoderException {
    int b1, b2, b3, b4;
    try {
        b1 = REVERSE.get(data[0]);
        b2 = REVERSE.get(data[1]);
        b3 = REVERSE.get(data[2]);
        b4 = REVERSE.get(data[3]);
    } catch (NullPointerException e) {
        // If auto-boxing fails
        throw new CoderException("Illegal characters in the sequence to be " + "decoded: " + Arrays.toString(data));
    }
    array[position] = (byte) ((b1 << 2) | (b2 >> 4));
    array[position + 1] = (byte) ((b2 << 4) | (b3 >> 2));
    array[position + 2] = (byte) ((b3 << 6) | (b4));
    // Check the amount of data decoded
    if (data[0] == PAD)
        return 0;
    if (data[1] == PAD) {
        throw new CoderException("Illegal character padding in sequence to be " + "decoded: " + Arrays.toString(data));
    }
    if (data[2] == PAD)
        return 1;
    if (data[3] == PAD)
        return 2;
    return 3;
}