Bug 172606 Error icon in Library Explorer for multi-extends item.[01]
Description: Error icon in Library Explorer for multi-extends item. Build number:2.1.2.v20070202 Steps to reproduce: 1. New a.rptlibrary and b.rptlibrary. 2. New a table in a.rptlibray. 3. Open b.rptlibray and extends table item in a.rptlibray. 4. Open Library Explore, check table item inside b.rptlibrary. Expected result: Normal item icon before table item. Actual result: Error icon indicate the item exists errors. see attached.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/util/UIUtil.java
string = ""; 
		}
		return string;
	}
	/**
	 * Convert the give string to Model style
	 * 
	 * @param string
	 *            the string to convert
	 * @param trim
	 *            specify if the string needs to be trimmed
	 * @return the string, or null for an empty string
	 */
	public static String convertToModelString( String string, boolean trim )
	{
		if ( string == null )
		{
			return null;
		}
		if ( trim )
		{
			string = string.trim( );
		}
		if ( string.length( ) == 0 )
		{
			string = null;
		}
		return string;
	}
	/**