private void encodeDirectPagingLinks()

in tobago-core/src/main/java/org/apache/myfaces/tobago/internal/renderkit/renderer/SheetRenderer.java [1116:1187]
66 lines of code
25 McCabe index (conditional complexity)

  private void encodeDirectPagingLinks(
      final FacesContext facesContext, final Application application, final AbstractUISheet sheet)
      throws IOException {

    int linkCount = ComponentUtils.getIntAttribute(sheet, Attributes.directLinkCount);
    linkCount--;  // current page needs no link
    final ArrayList<Integer> prevs = new ArrayList<>(linkCount);
    int page = sheet.getCurrentPage() + 1;
    for (int i = 0; i < linkCount && page > 1; i++) {
      page--;
      if (page > 0) {
        prevs.add(0, page);
      }
    }

    final ArrayList<Integer> nexts = new ArrayList<>(linkCount);
    page = sheet.getCurrentPage() + 1;
    final int pages = sheet.hasRowCount() || sheet.isRowsUnlimited() ? sheet.getPages() : Integer.MAX_VALUE;
    for (int i = 0; i < linkCount && page < pages; i++) {
      page++;
      if (page > 1) {
        nexts.add(page);
      }
    }

    if (prevs.size() > (linkCount / 2)
        && nexts.size() > (linkCount - (linkCount / 2))) {
      while (prevs.size() > (linkCount / 2)) {
        prevs.remove(0);
      }
      while (nexts.size() > (linkCount - (linkCount / 2))) {
        nexts.remove(nexts.size() - 1);
      }
    } else if (prevs.size() <= (linkCount / 2)) {
      while (prevs.size() + nexts.size() > linkCount) {
        nexts.remove(nexts.size() - 1);
      }
    } else {
      while (prevs.size() + nexts.size() > linkCount) {
        prevs.remove(0);
      }
    }

    int skip = prevs.size() > 0 ? prevs.get(0) : 1;
    if (!sheet.isShowDirectLinksArrows() && skip > 1) {
      skip -= linkCount - (linkCount / 2);
      skip--;
      if (skip < 1) {
        skip = 1;
      }
      encodeLink(facesContext, sheet, application, false, SheetAction.toPage, skip, Icons.THREE_DOTS, null);
    }
    for (final Integer prev : prevs) {
      encodeLink(facesContext, sheet, application, false, SheetAction.toPage, prev, null, null);
    }
    encodeLink(facesContext, sheet, application, false, SheetAction.toPage,
        sheet.getCurrentPage() + 1, null, BootstrapClass.ACTIVE);

    for (final Integer next : nexts) {
      encodeLink(facesContext, sheet, application, false, SheetAction.toPage, next, null, null);
    }

    skip = nexts.size() > 0 ? nexts.get(nexts.size() - 1) : pages;
    if (!sheet.isShowDirectLinksArrows() && skip < pages) {
      skip += linkCount / 2;
      skip++;
      if (skip > pages) {
        skip = pages;
      }
      encodeLink(facesContext, sheet, application, false, SheetAction.toPage, skip, Icons.THREE_DOTS, null);
    }
  }