1*ae15d43aSAndrew Rist /************************************************************** 2cdf0e10cSrcweir * 3*ae15d43aSAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4*ae15d43aSAndrew Rist * or more contributor license agreements. See the NOTICE file 5*ae15d43aSAndrew Rist * distributed with this work for additional information 6*ae15d43aSAndrew Rist * regarding copyright ownership. The ASF licenses this file 7*ae15d43aSAndrew Rist * to you under the Apache License, Version 2.0 (the 8*ae15d43aSAndrew Rist * "License"); you may not use this file except in compliance 9*ae15d43aSAndrew Rist * with the License. You may obtain a copy of the License at 10*ae15d43aSAndrew Rist * 11*ae15d43aSAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12*ae15d43aSAndrew Rist * 13*ae15d43aSAndrew Rist * Unless required by applicable law or agreed to in writing, 14*ae15d43aSAndrew Rist * software distributed under the License is distributed on an 15*ae15d43aSAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*ae15d43aSAndrew Rist * KIND, either express or implied. See the License for the 17*ae15d43aSAndrew Rist * specific language governing permissions and limitations 18*ae15d43aSAndrew Rist * under the License. 19*ae15d43aSAndrew Rist * 20*ae15d43aSAndrew Rist *************************************************************/ 21*ae15d43aSAndrew Rist 22*ae15d43aSAndrew Rist 23cdf0e10cSrcweir 24cdf0e10cSrcweir import com.sun.star.form.binding.*; 25cdf0e10cSrcweir 26cdf0e10cSrcweir /** 27cdf0e10cSrcweir * 28cdf0e10cSrcweir * @author fs@openoffice.org 29cdf0e10cSrcweir */ 30cdf0e10cSrcweir public class DateValidator extends ControlValidator 31cdf0e10cSrcweir { 32cdf0e10cSrcweir 33cdf0e10cSrcweir /** Creates a new instance of NumericValidator */ DateValidator( )34cdf0e10cSrcweir public DateValidator( ) 35cdf0e10cSrcweir { 36cdf0e10cSrcweir } 37cdf0e10cSrcweir explainInvalid( Object Value )38cdf0e10cSrcweir public String explainInvalid( Object Value ) 39cdf0e10cSrcweir { 40cdf0e10cSrcweir try 41cdf0e10cSrcweir { 42cdf0e10cSrcweir if ( isVoid( Value ) ) 43cdf0e10cSrcweir return "empty input"; 44cdf0e10cSrcweir 45cdf0e10cSrcweir com.sun.star.util.Date dateValue = (com.sun.star.util.Date)Value; 46cdf0e10cSrcweir if ( isDedicatedInvalidDate( dateValue ) ) 47cdf0e10cSrcweir return "this is no valid date"; 48cdf0e10cSrcweir 49cdf0e10cSrcweir if ( !isNextMonthsDate( dateValue ) ) 50cdf0e10cSrcweir return "date must denote a day in the current month"; 51cdf0e10cSrcweir } 52cdf0e10cSrcweir catch( java.lang.Exception e ) 53cdf0e10cSrcweir { 54cdf0e10cSrcweir return "oops. What did you enter for this to happen?"; 55cdf0e10cSrcweir } 56cdf0e10cSrcweir return ""; 57cdf0e10cSrcweir } 58cdf0e10cSrcweir isValid( Object Value )59cdf0e10cSrcweir public boolean isValid( Object Value ) 60cdf0e10cSrcweir { 61cdf0e10cSrcweir try 62cdf0e10cSrcweir { 63cdf0e10cSrcweir if ( isVoid( Value ) ) 64cdf0e10cSrcweir return false; 65cdf0e10cSrcweir 66cdf0e10cSrcweir com.sun.star.util.Date dateValue = (com.sun.star.util.Date) 67cdf0e10cSrcweir com.sun.star.uno.AnyConverter.toObject( 68cdf0e10cSrcweir com.sun.star.util.Date.class, Value); 69cdf0e10cSrcweir if ( isDedicatedInvalidDate( dateValue ) ) 70cdf0e10cSrcweir return false; 71cdf0e10cSrcweir 72cdf0e10cSrcweir if ( !isNextMonthsDate( dateValue ) ) 73cdf0e10cSrcweir return false; 74cdf0e10cSrcweir return true; 75cdf0e10cSrcweir } 76cdf0e10cSrcweir catch( java.lang.Exception e ) 77cdf0e10cSrcweir { 78cdf0e10cSrcweir e.printStackTrace( System.err ); 79cdf0e10cSrcweir } 80cdf0e10cSrcweir return false; 81cdf0e10cSrcweir } 82cdf0e10cSrcweir isDedicatedInvalidDate( com.sun.star.util.Date dateValue )83cdf0e10cSrcweir private boolean isDedicatedInvalidDate( com.sun.star.util.Date dateValue ) 84cdf0e10cSrcweir { 85cdf0e10cSrcweir return ( dateValue.Day == 0 ) && ( dateValue.Month == 0 ) && ( dateValue.Year == 0 ); 86cdf0e10cSrcweir } 87cdf0e10cSrcweir isNextMonthsDate( com.sun.star.util.Date dateValue )88cdf0e10cSrcweir private boolean isNextMonthsDate( com.sun.star.util.Date dateValue ) 89cdf0e10cSrcweir { 90cdf0e10cSrcweir int overallMonth = dateValue.Year * 12 + dateValue.Month - 1; 91cdf0e10cSrcweir 92cdf0e10cSrcweir int todaysMonth = new java.util.Date().getMonth(); 93cdf0e10cSrcweir int todaysYear = new java.util.Date().getYear() + 1900; 94cdf0e10cSrcweir int todaysOverallMonth = todaysYear * 12 + todaysMonth; 95cdf0e10cSrcweir 96cdf0e10cSrcweir return overallMonth == todaysOverallMonth; 97cdf0e10cSrcweir } 98cdf0e10cSrcweir } 99