protected ITableModel generateTableModel()

in tapestry-contrib/src/org/apache/tapestry/contrib/table/components/TableView.java [210:260]
38 lines of code
11 McCabe index (conditional complexity)

    protected ITableModel generateTableModel(SimpleTableState objState)
    {
        // create a new table state if none is passed
        if (objState == null)
        {
            objState = new SimpleTableState();
            objState.getSortingState().setSortColumn(getInitialSortColumn(), getInitialSortOrder());
        }

        // update the page size if set in the parameter
        IBinding objPageSizeBinding = getPageSizeBinding();
        if (objPageSizeBinding != null)
            objState.getPagingState().setPageSize(objPageSizeBinding.getInt());

        // get the column model. if not possible, return null.
        ITableColumnModel objColumnModel = getTableColumnModel();
        if (objColumnModel == null)
            return null;

        Object objSourceValue = getSource();
        if (objSourceValue == null)
            return null;

        // if the source parameter is of type {@link IBasicTableModel}, 
        // create and return an appropriate wrapper
        if (objSourceValue instanceof IBasicTableModel)
            return new BasicTableModelWrap(
                (IBasicTableModel) objSourceValue,
                objColumnModel,
                objState);

        // otherwise, the source parameter must contain the data to be displayed
        ITableDataModel objDataModel = null;
        if (objSourceValue instanceof Object[])
            objDataModel = new SimpleListTableDataModel((Object[]) objSourceValue);
        else if (objSourceValue instanceof List)
            objDataModel = new SimpleListTableDataModel((List) objSourceValue);
        else if (objSourceValue instanceof Collection)
            objDataModel = new SimpleListTableDataModel((Collection) objSourceValue);
        else if (objSourceValue instanceof Iterator)
            objDataModel = new SimpleListTableDataModel((Iterator) objSourceValue);

        if (objDataModel == null)
            throw new ApplicationRuntimeException(
                TableUtils.format(
                    "invalid-table-source",
                    getExtendedId(),
                    objSourceValue.getClass()));

        return new SimpleTableModel(objDataModel, objColumnModel, objState);
    }