Bug 176569 123 is treated as Blank Value in Scalar Parameter [0705]
Description: 123 is treated as Blank Value in Scalar Parameter. Build number: 2.2.0.v20070307-1128 Steps to reproduce: 1. New a Parameter. 2. Untick Allow null value checkbox. Expected result: Parameter works correctly. Actual result: Another Parameter dialogue pops up and when you click OK button again, warning message "NewParameter cannot be blank" pops up (see the screenshot). Error log: N/A
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/BirtViewerReportService.java
ParameterGroupDefinition group = null;
				ParameterDefinition param = convertScalarParameter(
						engineParam, group );
				ret.add( param );
			}
			else if ( o instanceof IParameterGroupDefn )
			{
				IParameterGroupDefn engineParam = (IParameterGroupDefn) o;
				ParameterGroupDefinition paramGroup = convertParameterGroup( engineParam );
				ret.add( paramGroup );
			}
		}
		if ( includeGroups )
			return ret;
		
		return flattenGroups( ret );
	}
	/**
	 * Flatten the results
	 * 
	 * @param params
	 */
	private static List flattenGroups( List params )
	{
		if ( params == null || params.size( ) == 0 )
			return Collections.EMPTY_LIST;
		List ret = new ArrayList( );
		for ( Iterator it = params.iterator( ); it.hasNext( ); )
		{
			Object o = it.next( );