Bug 154803 [regression]Cannot render document to user defined path through __document parameter
Description: Cannot render document to user defined path through __document parameter Steps to reproduce: 1. Preview a report in viewer 2. Modify url to add "__document=c:/tmp.rptdocument", this will generate report document to c disk with name "tmp.rptdocument" 3. Press enter. Expected result: Report displays correctly and the document is created. Actaul result: The document file : c:/tmp.rptdocument does not exist or contains errors.
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/context/ViewerAttributeBean.java
if ( parameter == null )
				continue;
			String paramName = parameter.getName( );
			String paramValue = getParamValueAsString( request, parameter );
			if ( paramName != null )
				params.put( paramName, paramValue );
		}
		return params;
	}
	/**
	 * get parsed parameters as string.
	 * 
	 * @param parsedParameters
	 *            Map
	 * @param request
	 *            HttpServletRequest
	 * @param options
	 *            InputOptions
	 * 
	 * @return Map
	 */
	protected Map getParsedParametersAsStringWithDefaultValue(
			Map parsedParameters, HttpServletRequest request,
			InputOptions options ) throws ReportServiceException
	{
		if ( parsedParameters == null )
		{
			parsedParameters = new HashMap( );
			return parsedParameters;