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
List values = new ArrayList( );
					values.add( paramValue );
					parsedParameters.put( paramName, values );
				}
				else
				{
					parsedParameters.put( paramName, paramValue );
				}
			}
		}
		return parsedParameters;
	}
	/**
	 * find the parameter handle by parameter name
	 * 
	 * @param paramName
	 * @return
	 * @throws ReportServiceException
	 */
	public ParameterHandle findParameter( String paramName )
			throws ReportServiceException
	{
		return BirtUtility.findParameter( this.reportDesignHandle, paramName );
	}
	/**
	 * find the parameter definition object by parameter name
	 * 
	 * @param paramName
	 * @return
	 */