Bug 201236 Issue about Allow multiple and duplicate values in Layout preview[0705]
Description: Issue about Allow multiple and duplicate values in Layout preview Build number:2.2.1.v20070827 Steps to reproduce: 1. New sample data source and dataset from CUSTOMERS. 2. New a parameter p1, listbox, dynamic, value field COUNTRY, tick on allow duplicate value, tick on allow multiple values. 3. Insert a data item to Layout, set expression as var values=""; for (i=0;i<params["p1"].value.length;i++) values=values+params["p1"].value[i]+"."; values; 4. In Layout, click Preview and select France. Expected result: Display one France. Actual result: Display several France. I tried the same action but preview in Web viewer and extenal html, the result is only one France. Error log:n/a
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/context/ViewerAttributeBean.java
*            HttpServletRequest
	 * @param options
	 *            InputOptions
	 * 
	 * @return Map
	 */
	protected Map getParsedParametersAsStringWithDefaultValue(
			Map parsedParameters, Collection parameterList,
			HttpServletRequest request, InputOptions options )
			throws ReportServiceException
	{
		if ( parsedParameters == null )
			parsedParameters = new HashMap( );
		for ( Iterator iter = parameterList.iterator( ); iter.hasNext( ); )
		{
			
			ParameterDefinition parameter = (ParameterDefinition) iter.next( );
			if ( parameter == null )
				continue;
			
			String paramName = parameter.getName( );
			if ( paramName == null )
				continue;
			
			if ( !parsedParameters.containsKey( paramName ) )
			{
				String paramValue = DataUtil
						.getDisplayValue( this.defaultValues.get( paramName ) );
				if ( parameter.isMultiValue( ) )
				{