public void write()

in chill-java/src/main/java/com/twitter/chill/Base64.java [1925:1966]
32 lines of code
9 McCabe index (conditional complexity)

        public void write(int theByte)
        throws java.io.IOException {
            // Encoding suspended?
            if( suspendEncoding ) {
                this.out.write( theByte );
                return;
            }   // end if: supsended

            // Encode?
            if( encode ) {
                buffer[ position++ ] = (byte)theByte;
                if( position >= bufferLength ) { // Enough to encode.

                    this.out.write( encode3to4( b4, buffer, bufferLength, options ) );

                    lineLength += 4;
                    if( breakLines && lineLength >= MAX_LINE_LENGTH ) {
                        this.out.write( NEW_LINE );
                        lineLength = 0;
                    }   // end if: end of line

                    position = 0;
                }   // end if: enough to output
            }   // end if: encoding

            // Else, Decoding
            else {
                // Meaningful Base64 character?
                if( decodabet[ theByte & 0x7f ] > WHITE_SPACE_ENC ) {
                    buffer[ position++ ] = (byte)theByte;
                    if( position >= bufferLength ) { // Enough to output.

                        int len = Base64.decode4to3( buffer, 0, b4, 0, options );
                        out.write( b4, 0, len );
                        position = 0;
                    }   // end if: enough to output
                }   // end if: meaningful base64 character
                else if( decodabet[ theByte & 0x7f ] != WHITE_SPACE_ENC ) {
                    throw new java.io.IOException( "Invalid character in Base64 data." );
                }   // end else: not white space either
            }   // end else: decoding
        }   // end write