public static String encode()

in ch-commons-util/src/main/java/com/cloudhopper/commons/util/codec/Base64Codec.java [64:95]

• 28 lines of code
• 4 McCabe index (conditional complexity)

    public static String encode(byte[] rawData) {
        StringBuilder buffer = new StringBuilder(4 * rawData.length / 3);

        int pos = 0;
        int iterations = rawData.length / 3;
        for (int i = 0; i < iterations; i++) {
            int value = ((rawData[pos++] & 0xFF) << 16) |
                    ((rawData[pos++] & 0xFF) << 8) | (rawData[pos++] & 0xFF);

            buffer.append(BASE64_ALPHABET[(value >>> 18) & 0x3F]);
            buffer.append(BASE64_ALPHABET[(value >>> 12) & 0x3F]);
            buffer.append(BASE64_ALPHABET[(value >>> 6) & 0x3F]);
            buffer.append(BASE64_ALPHABET[value & 0x3F]);
        }

        switch (rawData.length % 3) {
            case 1:
                buffer.append(BASE64_ALPHABET[(rawData[pos] >>> 2) & 0x3F]);
                buffer.append(BASE64_ALPHABET[(rawData[pos] << 4) & 0x3F]);
                buffer.append("==");
                break;
            case 2:
                int value = ((rawData[pos++] & 0xFF) << 8) | (rawData[pos] & 0xFF);
                buffer.append(BASE64_ALPHABET[(value >>> 10) & 0x3F]);
                buffer.append(BASE64_ALPHABET[(value >>> 4) & 0x3F]);
                buffer.append(BASE64_ALPHABET[(value << 2) & 0x3F]);
                buffer.append("=");
                break;
        }

        return buffer.toString();
    }