if( exprs != null )
if ( text == null ) { return null; } if ( exprs != null )
	public HashMap getExpressions()	{		if( exprs != null )		{			return exprs;		}		if( HTML_TEXT.equals(textType) || ( AUTO_TEXT.equals(textType) && text.startsWith( "<html>") ))		{			exprs = new HashMap( );			TextTemplate template = new TemplateParser( ).parse( text );			if( template != null && template.getNodes() != null )			{				Iterator itor = template.getNodes().iterator();				Object obj;				String expression;				while( itor.hasNext( ) )				{					obj = itor.next();					if( obj instanceof TextTemplate.ValueNode )					{						expression = ( ( TextTemplate.ValueNode ) obj ).getValue( ); 						exprs.put( expression, new Expression( expression ) );					}				}			}		}		return exprs;	}