Bug 203709 NullPointerException in TableAreaLayout
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/cache/TableAreaLayout.java
public Row getUnresolvedRow()
	{
		return (Row)rows.getCurrent( );
	}
	
	
	protected int resolveBottomBorder(CellArea cell, boolean isLast)
	{
		IStyle tableStyle = tableContent.getComputedStyle( );
		IContent cellContent = cell.getContent( );
		IStyle columnStyle = getColumnStyle( cell.getColumnID( ) );
		IStyle cellAreaStyle = cell.getStyle( );
		if(isLast)
		{
			IStyle cellContentStyle = cellContent.getComputedStyle( );
			IStyle rowStyle = ((IContent)cellContent.getParent()).getComputedStyle( ) ;
			bcr.resolveTableBottomBorder( tableStyle, rowStyle,
					columnStyle, cellContentStyle, cellAreaStyle );
		}
		else
		{
			bcr.resolveTableBottomBorder( tableStyle, null,
					columnStyle, null, cellAreaStyle );
		}
		return PropertyUtil.getDimensionValue( cellAreaStyle
						.getProperty( StyleConstants.STYLE_BORDER_BOTTOM_WIDTH ) );
	}
	
	protected void add(ContainerArea area, ArrayList rows)