/** * Discards any characters outside of the base64 alphabet, per * the requirements on page 25 of RFC 2045 - "Any characters * outside of the base64 alphabet are to be ignored in base64 * encoded data." * * @param data The base-64 encoded data to groom * @return The data, less non-base64 characters (see RFC 2045). */ static byte[] discardNonBase64(final byte[] data) { final byte[] groomedData = new byte[data.length]; int bytesCopied = 0; for (int i = 0; i < data.length; i++) { if (isBase64(data[i])) { groomedData[bytesCopied++] = data[i]; } } final byte[] packedData = new byte[bytesCopied]; System.arraycopy(groomedData, 0, packedData, 0, bytesCopied); return packedData; }
/** * Discards any characters outside of the base64 alphabet, per * the requirements on page 25 of RFC 2045 - "Any characters * outside of the base64 alphabet are to be ignored in base64 * encoded data." * * @param data The base-64 encoded data to groom * @return The data, less non-base64 characters (see RFC 2045). */ static byte[] discardNonBase64(final byte[] data) { final byte[] groomedData = new byte[data.length]; int bytesCopied = 0; for (int i = 0; i < data.length; i++) { if (isBase64(data[i])) { groomedData[bytesCopied++] = data[i]; } } final byte[] packedData = new byte[bytesCopied]; System.arraycopy(groomedData, 0, packedData, 0, bytesCopied); return packedData; }
/** * Discards any characters outside of the base64 alphabet, per * the requirements on page 25 of RFC 2045 - "Any characters * outside of the base64 alphabet are to be ignored in base64 * encoded data." * * @param data The base-64 encoded data to groom * @return The data, less non-base64 characters (see RFC 2045). */ static byte[] discardNonBase64(byte[] data) { byte groomedData[] = new byte[data.length]; int bytesCopied = 0; for (int i = 0; i < data.length; i++) { if (isBase64(data[i])) { groomedData[bytesCopied++] = data[i]; } } byte packedData[] = new byte[bytesCopied]; System.arraycopy(groomedData, 0, packedData, 0, bytesCopied); return packedData; }
/** * Tests a given byte array to see if it contains * only valid characters within the Base64 alphabet. * * @param arrayOctect byte array to test * @return <code>true</code> if all bytes are valid characters in the Base64 * alphabet or if the byte array is empty; false, otherwise */ public static boolean isArrayByteBase64(byte[] arrayOctect) { arrayOctect = discardWhitespace(arrayOctect); int length = arrayOctect.length; if (length == 0) { // shouldn't a 0 length array be valid base64 data? // return false; return true; } for (int i = 0; i < length; i++) { if (!isBase64(arrayOctect[i])) { return false; } } return true; }
/** * Tests a given byte array to see if it contains * only valid characters within the Base64 alphabet. * * @param arrayOctect byte array to test * @return <code>true</code> if all bytes are valid characters in the Base64 * alphabet or if the byte array is empty; false, otherwise */ public static boolean isArrayByteBase64(byte[] arrayOctect) { arrayOctect = discardWhitespace(arrayOctect); final int length = arrayOctect.length; if (length == 0) { // shouldn't a 0 length array be valid base64 data? // return false; return true; } for (int i = 0; i < length; i++) { if (!isBase64(arrayOctect[i])) { return false; } } return true; }
/** * Tests a given byte array to see if it contains * only valid characters within the Base64 alphabet. * * @param arrayOctect byte array to test * @return <code>true</code> if all bytes are valid characters in the Base64 * alphabet or if the byte array is empty; false, otherwise */ public static boolean isArrayByteBase64(byte[] arrayOctect) { arrayOctect = discardWhitespace(arrayOctect); final int length = arrayOctect.length; if (length == 0) { // shouldn't a 0 length array be valid base64 data? // return false; return true; } for (int i = 0; i < length; i++) { if (!isBase64(arrayOctect[i])) { return false; } } return true; }