1*cdf0e10cSrcweir /************************************************************************* 2*cdf0e10cSrcweir * 3*cdf0e10cSrcweir * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4*cdf0e10cSrcweir * 5*cdf0e10cSrcweir * Copyright 2000, 2010 Oracle and/or its affiliates. 6*cdf0e10cSrcweir * 7*cdf0e10cSrcweir * OpenOffice.org - a multi-platform office productivity suite 8*cdf0e10cSrcweir * 9*cdf0e10cSrcweir * This file is part of OpenOffice.org. 10*cdf0e10cSrcweir * 11*cdf0e10cSrcweir * OpenOffice.org is free software: you can redistribute it and/or modify 12*cdf0e10cSrcweir * it under the terms of the GNU Lesser General Public License version 3 13*cdf0e10cSrcweir * only, as published by the Free Software Foundation. 14*cdf0e10cSrcweir * 15*cdf0e10cSrcweir * OpenOffice.org is distributed in the hope that it will be useful, 16*cdf0e10cSrcweir * but WITHOUT ANY WARRANTY; without even the implied warranty of 17*cdf0e10cSrcweir * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18*cdf0e10cSrcweir * GNU Lesser General Public License version 3 for more details 19*cdf0e10cSrcweir * (a copy is included in the LICENSE file that accompanied this code). 20*cdf0e10cSrcweir * 21*cdf0e10cSrcweir * You should have received a copy of the GNU Lesser General Public License 22*cdf0e10cSrcweir * version 3 along with OpenOffice.org. If not, see 23*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 24*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 25*cdf0e10cSrcweir * 26*cdf0e10cSrcweir ************************************************************************/ 27*cdf0e10cSrcweir 28*cdf0e10cSrcweir import com.sun.star.form.binding.*; 29*cdf0e10cSrcweir 30*cdf0e10cSrcweir /** 31*cdf0e10cSrcweir * 32*cdf0e10cSrcweir * @author fs@openoffice.org 33*cdf0e10cSrcweir */ 34*cdf0e10cSrcweir public class DateValidator extends ControlValidator 35*cdf0e10cSrcweir { 36*cdf0e10cSrcweir 37*cdf0e10cSrcweir /** Creates a new instance of NumericValidator */ 38*cdf0e10cSrcweir public DateValidator( ) 39*cdf0e10cSrcweir { 40*cdf0e10cSrcweir } 41*cdf0e10cSrcweir 42*cdf0e10cSrcweir public String explainInvalid( Object Value ) 43*cdf0e10cSrcweir { 44*cdf0e10cSrcweir try 45*cdf0e10cSrcweir { 46*cdf0e10cSrcweir if ( isVoid( Value ) ) 47*cdf0e10cSrcweir return "empty input"; 48*cdf0e10cSrcweir 49*cdf0e10cSrcweir com.sun.star.util.Date dateValue = (com.sun.star.util.Date)Value; 50*cdf0e10cSrcweir if ( isDedicatedInvalidDate( dateValue ) ) 51*cdf0e10cSrcweir return "this is no valid date"; 52*cdf0e10cSrcweir 53*cdf0e10cSrcweir if ( !isNextMonthsDate( dateValue ) ) 54*cdf0e10cSrcweir return "date must denote a day in the current month"; 55*cdf0e10cSrcweir } 56*cdf0e10cSrcweir catch( java.lang.Exception e ) 57*cdf0e10cSrcweir { 58*cdf0e10cSrcweir return "oops. What did you enter for this to happen?"; 59*cdf0e10cSrcweir } 60*cdf0e10cSrcweir return ""; 61*cdf0e10cSrcweir } 62*cdf0e10cSrcweir 63*cdf0e10cSrcweir public boolean isValid( Object Value ) 64*cdf0e10cSrcweir { 65*cdf0e10cSrcweir try 66*cdf0e10cSrcweir { 67*cdf0e10cSrcweir if ( isVoid( Value ) ) 68*cdf0e10cSrcweir return false; 69*cdf0e10cSrcweir 70*cdf0e10cSrcweir com.sun.star.util.Date dateValue = (com.sun.star.util.Date) 71*cdf0e10cSrcweir com.sun.star.uno.AnyConverter.toObject( 72*cdf0e10cSrcweir com.sun.star.util.Date.class, Value); 73*cdf0e10cSrcweir if ( isDedicatedInvalidDate( dateValue ) ) 74*cdf0e10cSrcweir return false; 75*cdf0e10cSrcweir 76*cdf0e10cSrcweir if ( !isNextMonthsDate( dateValue ) ) 77*cdf0e10cSrcweir return false; 78*cdf0e10cSrcweir return true; 79*cdf0e10cSrcweir } 80*cdf0e10cSrcweir catch( java.lang.Exception e ) 81*cdf0e10cSrcweir { 82*cdf0e10cSrcweir e.printStackTrace( System.err ); 83*cdf0e10cSrcweir } 84*cdf0e10cSrcweir return false; 85*cdf0e10cSrcweir } 86*cdf0e10cSrcweir 87*cdf0e10cSrcweir private boolean isDedicatedInvalidDate( com.sun.star.util.Date dateValue ) 88*cdf0e10cSrcweir { 89*cdf0e10cSrcweir return ( dateValue.Day == 0 ) && ( dateValue.Month == 0 ) && ( dateValue.Year == 0 ); 90*cdf0e10cSrcweir } 91*cdf0e10cSrcweir 92*cdf0e10cSrcweir private boolean isNextMonthsDate( com.sun.star.util.Date dateValue ) 93*cdf0e10cSrcweir { 94*cdf0e10cSrcweir int overallMonth = dateValue.Year * 12 + dateValue.Month - 1; 95*cdf0e10cSrcweir 96*cdf0e10cSrcweir int todaysMonth = new java.util.Date().getMonth(); 97*cdf0e10cSrcweir int todaysYear = new java.util.Date().getYear() + 1900; 98*cdf0e10cSrcweir int todaysOverallMonth = todaysYear * 12 + todaysMonth; 99*cdf0e10cSrcweir 100*cdf0e10cSrcweir return overallMonth == todaysOverallMonth; 101*cdf0e10cSrcweir } 102*cdf0e10cSrcweir } 103