Bug 177693 Support Date/Time data type in BIRT report engine.
Report engine needs to support new BIRT data type Date/Time. Please see attached for details.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/api/ReportRunner.java
try
				{
					Object paramValue = stringToObject( paramType, inputValue );
					if ( paramValue != null )
					{
						inputValues.put( paramName, paramValue );
					}
				}
				catch ( BirtException ex )
				{
					logger.log( Level.SEVERE, "the value of parameter "
							+ paramName + " is invalid", ex );
				}
			}
		}
		return inputValues;
	}
	/**
	 * @param p
	 *            the scalar parameter
	 * @param expr
	 *            the default value expression
	 */
	protected Object stringToObject( int type, String value )
			throws BirtException
	{
		if ( value == null )
		{
			return null;
		}