public static ITableColumnModel generateTableColumnModel()

in tapestry-contrib/src/org/apache/tapestry/contrib/table/components/TableUtils.java [120:189]
56 lines of code
12 McCabe index (conditional complexity)

    public static ITableColumnModel generateTableColumnModel(String strDesc, IComponent objComponent, IComponent objColumnSettingsContainer)
    {
        if (strDesc == null)
            return null;

        List arrColumns = new ArrayList();

        boolean bFormColumns = false;
        while (strDesc.startsWith("*"))
        {
            strDesc = strDesc.substring(1);
            bFormColumns = true;
        }

        StringTokenizer objTokenizer = new StringTokenizer(strDesc, ",");
        while (objTokenizer.hasMoreTokens())
        {
            String strToken = objTokenizer.nextToken().trim();

            if (strToken.startsWith("="))
            {
                String strColumnExpression = strToken.substring(1);
                IResourceResolver objResolver = objColumnSettingsContainer.getPage().getEngine().getResourceResolver();

                Object objColumn =
                    OgnlUtils.get(strColumnExpression, objResolver, objColumnSettingsContainer);
                if (!(objColumn instanceof ITableColumn))
                    throw new ApplicationRuntimeException(
                        format("not-a-column", objComponent.getExtendedId(), strColumnExpression));

                arrColumns.add(objColumn);
                continue;
            }

            boolean bSortable = true;
            if (strToken.startsWith("!"))
            {
                strToken = strToken.substring(1);
                bSortable = false;
            }

            StringTokenizer objColumnTokenizer = new StringTokenizer(strToken, ":");

            String strName = "";
            if (objColumnTokenizer.hasMoreTokens())
                strName = objColumnTokenizer.nextToken();

            String strExpression = strName;
            if (objColumnTokenizer.hasMoreTokens())
                strExpression = objColumnTokenizer.nextToken();

            String strDisplayName = strName;
            if (objColumnTokenizer.hasMoreTokens())
            {
                strDisplayName = strExpression;
                strExpression = objColumnTokenizer.nextToken();
            }

            ExpressionTableColumn objColumn =
                new ExpressionTableColumn(strName, strDisplayName, strExpression, bSortable);
            if (bFormColumns)
                objColumn.setColumnRendererSource(SimpleTableColumn.FORM_COLUMN_RENDERER_SOURCE);
            if (objColumnSettingsContainer != null)
                objColumn.loadSettings(objColumnSettingsContainer);

            arrColumns.add(objColumn);
        }

        return new SimpleTableColumnModel(arrColumns);
    }