ReportColumnWidths

  public int[] getReportColumnWidths(Integer availableWidth, Map<String, Integer> fixedColumns, List<String> allColumns) {
        int[] reportColumnWidths = new int[allColumns.size()];
        Integer remainedAvailableWidth = availableWidth;
        Map<Integer, Integer> columnWithFixedWidth = new HashMap<Integer, Integer>();
        int i = 0;
        for (String entryColumn : allColumns) {
            for (Map.Entry<String, Integer> entryFixedColumn : fixedColumns.entrySet()) {
                if (entryColumn.toLowerCase().contains(entryFixedColumn.getKey().toLowerCase())) {
                    remainedAvailableWidth = remainedAvailableWidth - entryFixedColumn.getValue();
                    columnWithFixedWidth.put(i, entryFixedColumn.getValue());
                }
            }
            i++;
        }

        Integer columnWithoutFixedWidth = allColumns.size() - columnWithFixedWidth.size();
        if (allColumns.size() == columnWithFixedWidth.size() && remainedAvailableWidth >= 0) {
            for (Map.Entry<Integer, Integer> entry : columnWithFixedWidth.entrySet()) {
                reportColumnWidths[entry.getKey()] = entry.getValue();
            }
        } else if (remainedAvailableWidth >= 0
                && remainedAvailableWidth > columnWithoutFixedWidth * MINIMUM_ALLOWABLE_SIZE_COLUMN_IN_PIXEL) {
            Integer columnSize = remainedAvailableWidth / columnWithoutFixedWidth;
            Arrays.fill(reportColumnWidths, columnSize);
            for (Map.Entry<Integer, Integer> entry : columnWithFixedWidth.entrySet()) {
                reportColumnWidths[entry.getKey()] = entry.getValue();
            }
        } else {
            Integer columnSize = availableWidth / allColumns.size();
            Arrays.fill(reportColumnWidths, columnSize);
        }
        return reportColumnWidths;
    }