Bug 207250 Check blank value for datetime type parameter from url.[0002][0705]
Description: Check blank value for datetime type parameter from url. Build number:2.3.0.v20071023 Steps to reproduce: 1. New a datetime parameter mydt,listbox, tick off isRequired. 2. Preview in external browser and add "&dt=" in url, press enter. Expected result: Error message to indicate blank value isn't allowed for this parameter. Actual result: No error message and blank value is accepted. I tried to new a jsp and use <birt:paramDef> to pass the blank value and the blank value is accepted,too. Error log:n/a
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/context/ViewerAttributeBean.java
this.format = ParameterAccessor.getFormat( request );
		if ( IBirtConstants.ACTION_PRINT.equalsIgnoreCase( action ) )
		{
			
			if ( ParameterAccessor.isSupportedPrintOnServer )
				this.format = IBirtConstants.POSTSCRIPT_RENDER_FORMAT;
			else
				this.action = null;
		}
		this.maxRows = ParameterAccessor.getMaxRows( request );
		
		BirtResources.setLocale( ParameterAccessor.getLocale( request ) );
		
		ReportEngineService.getInstance( ).setMaxRows( this.maxRows );
		
		this.requestType = request
				.getHeader( ParameterAccessor.HEADER_REQUEST_TYPE );
		
		processReport( request );
		
		this.reportTitle = ParameterAccessor.getTitle( request );
		
		this.isShowTitle = ParameterAccessor.isShowTitle( request );
		
		this.isShowToolbar = ParameterAccessor.isShowToolbar( request );
		
		this.isShowNavigationbar = ParameterAccessor
				.isShowNavigationbar( request );