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
import org.eclipse.birt.report.service.ReportEngineService;
import org.eclipse.birt.report.service.api.IViewerReportDesignHandle;
import org.eclipse.birt.report.service.api.IViewerReportService;
import org.eclipse.birt.report.service.api.InputOptions;
import org.eclipse.birt.report.service.api.ParameterDefinition;
import org.eclipse.birt.report.service.api.ReportServiceException;
import org.eclipse.birt.report.utility.BirtUtility;
import org.eclipse.birt.report.utility.DataUtil;
import org.eclipse.birt.report.utility.ParameterAccessor;
import com.ibm.icu.util.ULocale;
/**
 * Data bean for viewing request. Birt viewer distributes process logic into
 * viewer fragments. Each fragment seperates its front-end and back-end process
 * into jsp page and "code behand" fragment class. Viewer attribute bean serves
 * as:
 * <ol>
 * <li> object that carries the data shared among different fragments</li>
 * <li> object that carries the date shared between front-end jsp page and
 * back-end class</li>
 * </ol>
 * In current implementation, ViewerAttributeBean uses request scope.
 * <p>
 */
public class ViewerAttributeBean extends BaseAttributeBean
{
	/**
	 * Viewer preview max rows limited
	 */
	private int maxRows;
	/**