public static InternalWorkbook createWorkbook()

in poi/src/main/java/org/apache/poi/hssf/model/InternalWorkbook.java [197:334]
109 lines of code
25 McCabe index (conditional complexity)

    public static InternalWorkbook createWorkbook(List<Record> recs) {
        LOG.atDebug().log("Workbook (readfile) created with reclen={}", box(recs.size()));
        InternalWorkbook retval = new InternalWorkbook();
        List<Record> records = new ArrayList<>(recs.size() / 3);
        retval.records.setRecords(records);

        boolean eofPassed = false;
        for (int k = 0; k < recs.size(); k++) {
            Record rec = recs.get(k);
            String logObj;
            switch (rec.getSid()) {

                case EOFRecord.sid :
                    logObj = "workbook eof";
                    break;

                case BoundSheetRecord.sid :
                    logObj = "boundsheet";
                    retval.boundsheets.add((BoundSheetRecord) rec);
                    retval.records.setBspos( k );
                    break;

                case SSTRecord.sid :
                    logObj = "sst";
                    retval.sst = ( SSTRecord ) rec;
                    break;

                case FontRecord.sid :
                    logObj = "font";
                    retval.records.setFontpos( k );
                    retval.numfonts++;
                    break;

                case ExtendedFormatRecord.sid :
                    logObj = "XF";
                    retval.records.setXfpos( k );
                    retval.numxfs++;
                    break;

                case TabIdRecord.sid :
                    logObj = "tabid";
                    retval.records.setTabpos( k );
                    break;

                case ProtectRecord.sid :
                    logObj = "protect";
                    retval.records.setProtpos( k );
                    break;

                case BackupRecord.sid :
                    logObj = "backup";
                    retval.records.setBackuppos( k );
                    break;

                case ExternSheetRecord.sid :
                    throw new RecordFormatException("Extern sheet is part of LinkTable");

                case NameRecord.sid :
                case SupBookRecord.sid :
                    // LinkTable can start with either of these
                    LOG.atDebug().log("found SupBook record at {}", box(k));
                    retval.linkTable = new LinkTable(recs, k, retval.records, retval.commentRecords);
                    k+=retval.linkTable.getRecordCount() - 1;
                    continue;

                case FormatRecord.sid :
                    logObj = "format";
                    FormatRecord fr = (FormatRecord) rec;
                    retval.formats.add(fr);
                    retval.maxformatid = Math.max(retval.maxformatid, fr.getIndexCode());
                    break;

                case DateWindow1904Record.sid :
                    logObj = "datewindow1904";
                    retval.uses1904datewindowing = ((DateWindow1904Record)rec).getWindowing() == 1;
                    break;

                case PaletteRecord.sid:
                    logObj = "palette";
                    retval.records.setPalettepos( k );
                    break;

                case WindowOneRecord.sid:
                    logObj = "WindowOneRecord";
                    retval.windowOne = (WindowOneRecord) rec;
                    break;

                case WriteAccessRecord.sid:
                    logObj = "WriteAccess";
                    retval.writeAccess = (WriteAccessRecord) rec;
                    break;

                case WriteProtectRecord.sid:
                    logObj = "WriteProtect";
                    retval.writeProtect = (WriteProtectRecord) rec;
                    break;

                case FileSharingRecord.sid:
                    logObj = "FileSharing";
                    retval.fileShare = (FileSharingRecord) rec;
                    break;

                case NameCommentRecord.sid:
                    logObj = "NameComment";
                    final NameCommentRecord ncr = (NameCommentRecord) rec;
                    retval.commentRecords.put(ncr.getNameText(), ncr);
                    break;

                case HyperlinkRecord.sid:
                    // Look for other interesting values that follow the EOFRecord
                    logObj = "Hyperlink";
                    retval.hyperlinks.add((HyperlinkRecord)rec);
                    break;

                default:
                    logObj = "(sid=" + rec.getSid() + ")";
                    break;
            }
            if (!eofPassed) {
                records.add(rec);
            }
            LOG.atTrace().log("found {} record at {}", logObj, box(k));
            if (rec.getSid() == EOFRecord.sid) {
                eofPassed = true;
            }
        }
        //What if we dont have any ranges and supbooks
        //        if (retval.records.supbookpos == 0) {
        //            retval.records.supbookpos = retval.records.bspos + 1;
        //            retval.records.namepos    = retval.records.supbookpos + 1;
        //        }

        if (retval.windowOne == null) {
            retval.windowOne = createWindowOne();
        }
        LOG.atDebug().log("exit create workbook from existing file function");
        return retval;
    }