Bug 188843 NPE throws out when preview sample report in xls[1203]
engine/org.eclipse.birt.report.engine.emitter.prototype.excel/src/org/eclipse/birt/report/engine/emitter/excel/StyleEngine.java
.getColSpan( ) ) )
		{
			StyleBuilder.applyRightBorder( cEntry, entry );
		}
	}
	private StyleEntry initStyle( IStyle style, Span span )
	{
		StyleEntry entry = StyleBuilder.createStyleEntry( style );
		if ( styles.size( ) > 0 )
		{
			StyleEntry cEntry = (StyleEntry) styles.peek( );
			StyleBuilder.mergeInheritableProp( cEntry, entry );
			applyHBorders( cEntry, entry, (Span) ( spans.peek( ) ), span );
		}
		return entry;
	}
	private void release( )
	{
		ID = 0;
		styles.clear( );
		pos.clear( );
		spans.clear( );
		style2id.clear( );
	}
	private void setDataMap( ListBuffer dataMap )
	{
		this.dataMap = dataMap;
	}
}