private static void writeUTF()

in indexer-reader/src/main/java/org/apache/maven/index/reader/ChunkWriter.java [123:164]

• 40 lines of code
• 12 McCabe index (conditional complexity)

    private static void writeUTF(final String str, final DataOutput dataOutput) throws IOException {
        int strlen = str.length();
        int utflen = 0;
        int c;
        // use charAt instead of copying String to char array
        for (int i = 0; i < strlen; i++) {
            c = str.charAt(i);
            if ((c >= 0x0001) && (c <= 0x007F)) {
                utflen++;
            } else if (c > 0x07FF) {
                utflen += 3;
            } else {
                utflen += 2;
            }
        }
        dataOutput.writeInt(utflen);
        byte[] bytearr = new byte[utflen];
        int count = 0;
        int i = 0;
        for (; i < strlen; i++) {
            c = str.charAt(i);
            if (!((c >= 0x0001) && (c <= 0x007F))) {
                break;
            }
            bytearr[count++] = (byte) c;
        }
        for (; i < strlen; i++) {
            c = str.charAt(i);
            if ((c >= 0x0001) && (c <= 0x007F)) {
                bytearr[count++] = (byte) c;

            } else if (c > 0x07FF) {
                bytearr[count++] = (byte) (0xE0 | ((c >> 12) & 0x0F));
                bytearr[count++] = (byte) (0x80 | ((c >> 6) & 0x3F));
                bytearr[count++] = (byte) (0x80 | ((c) & 0x3F));
            } else {
                bytearr[count++] = (byte) (0xC0 | ((c >> 6) & 0x1F));
                bytearr[count++] = (byte) (0x80 | ((c) & 0x3F));
            }
        }
        dataOutput.write(bytearr, 0, utflen);
    }