Bug 150603 [Linux-WS]Can't open new window from the internal preview tab.
Can't open new window from the internal preview tab on Linux OS. Steps to reproduce: 1. New a report, create a link to drill through a report, target new window. 2. Click "Preview" tab to preview report 3. Click the link Expected result: Open a new window, and load the report. Actural result: No effect.
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/context/ViewerAttributeBean.java
}
			else
			{
				params.put( paramName, null );
			}
		}
		return params;
	}
	/**
	 * get parameter object.
	 * 
	 * @param request
	 *            HttpServletRequest
	 * @param parameter
	 *            ScalarParameterHandle
	 * 
	 * @return
	 */
	protected String getParamValueAsString( HttpServletRequest request,
			ScalarParameterHandle parameter )
	{
		String paramName = parameter.getName( );
		String paramValue = null;
		if ( ParameterAccessor.isReportParameterExist( request, paramName ) )
		{
			
			paramValue = ParameterAccessor.getReportParameter( request,
					paramName, null );
			return paramValue;
		}