private void decodeSheetAction()

in tobago-core/src/main/java/org/apache/myfaces/tobago/internal/renderkit/renderer/SheetRenderer.java [173:227]
53 lines of code
15 McCabe index (conditional complexity)

  private void decodeSheetAction(final FacesContext facesContext, final AbstractUISheet component) {
    final String sourceId = facesContext.getExternalContext().getRequestParameterMap().get("jakarta.faces.source");

    final String clientId = component.getClientId(facesContext);
    if (LOG.isDebugEnabled()) {
      LOG.debug("sourceId = '{}'", sourceId);
      LOG.debug("clientId = '{}'", clientId);
    }

    final String sheetClientIdWithAction
        = clientId + UINamingContainer.getSeparatorChar(facesContext) + SUFFIX_PAGE_ACTION;
    if (sourceId != null && sourceId.startsWith(sheetClientIdWithAction)) {
      String actionString = sourceId.substring(sheetClientIdWithAction.length());
      int index = actionString.indexOf('-');
      SheetAction action;
      if (index != -1) {
        action = SheetAction.valueOf(actionString.substring(0, index));
      } else {
        action = SheetAction.valueOf(actionString);
      }
      PageActionEvent event = null;
      switch (action) {
        case first:
        case prev:
        case next:
        case last:
          event = new PageActionEvent(component, action);
          break;
        case toPage:
        case toRow:
        case lazy:
          event = new PageActionEvent(component, action);
          final int target;
          final String value;
          if (index == -1) {
            final Map<String, String> map = facesContext.getExternalContext().getRequestParameterMap();
            value = map.get(sourceId);
          } else {
            value = actionString.substring(index + 1);
          }
          try {
            target = Integer.parseInt(value);
          } catch (final NumberFormatException e) {
            LOG.error("Can't parse integer value for action " + action.name() + ": " + value);
            break;
          }
          event.setValue(target);
          break;
        default:
      }
      if (event != null) {
        component.queueEvent(event);
      }
    }
  }