public int read()

in vault-core/src/main/java/org/apache/jackrabbit/vault/util/LineInputStream.java [89:162]
73 lines of code
22 McCabe index (conditional complexity)

    public int read(byte b[], int off, int len) throws IOException {
        if (isEof) {
            if (spool == null) {
                if (state != STATE_INIT) {
                    spool = lineFeed;
                    state = STATE_INIT;
                } else {
                    return -1;
                }
            }
        }
        int total = 0;
        while (total < len) {
            if (spool != null) {
                b[off+(total++)] = spool[spoolPos++];
                if (spoolPos == spool.length) {
                    spool = null;
                    spoolPos = 0;
                }
            } else {
                if (pos == end) {
                    int ret = fillBuffer();
                    if (ret == 0 && pos == end) {
                        // in this case we didn't get more, so flush
                        pos = end = 0;
                        continue;
                    } else if (ret == -1) {
                        break;
                    }
                }
                byte c = buffer[pos++];
                if (c == 0x0a) {
                    switch (state) {
                        case STATE_INIT:
                            state = STATE_LF;
                            break;
                        case STATE_CR:
                            state = STATE_CRLF;
                            break;
                        case STATE_LF:
                            spool = lineFeed;
                            break;
                        case STATE_CRLF:
                            spool = lineFeed;
                            state = STATE_LF;
                    }
                } else if (c == 0x0d) {
                    switch (state) {
                        case STATE_INIT:
                            state = STATE_CR;
                            break;
                        case STATE_LF:
                            state = STATE_CRLF;
                            break;
                        case STATE_CR:
                            spool = lineFeed;
                            break;
                        case STATE_CRLF:
                            spool = lineFeed;
                            state = STATE_CR;
                    }
                } else {
                    if (state != STATE_INIT) {
                        spool = lineSpool;
                        lineSpool[lineSpool.length - 1] = c;
                        state = STATE_INIT;
                    } else {
                        b[off + (total++)] = c;
                    }
                }
            }
        }
        return total;
    }