Bug 177694 BIRT date/time type support in viewer
BIRT viewer needs to be changed to support new BIRT data type date/time. Please see attached spec/patch file for details.
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/utility/DataUtil.java
return DataTypeUtil.toDate( source );
			case IScalarParameterDefn.TYPE_FLOAT :
				return DataTypeUtil.toDouble( source );
			case IScalarParameterDefn.TYPE_STRING :
				return DataTypeUtil.toString( source );
			default :
				throw new CoreException( "Invalid type." ); 
		}
	}
	/**
	 * Convert to UTF-8 bytes
	 * 
	 * @param bytes
	 * @return
	 */
	public static String toUTF8( byte[] bytes )
	{
		assert bytes != null;
		String str = null;
		try
		{
			str = new String( bytes, "utf-8" ); 
		}
		catch ( UnsupportedEncodingException e )
		{
		}
		return str;
	}
}