| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| import com.sun.star.form.binding.*; |
| |
| /** |
| * |
| * @author fs@openoffice.org |
| */ |
| public class DateValidator extends ControlValidator |
| { |
| |
| /** Creates a new instance of NumericValidator */ |
| public DateValidator( ) |
| { |
| } |
| |
| public String explainInvalid( Object Value ) |
| { |
| try |
| { |
| if ( isVoid( Value ) ) |
| return "empty input"; |
| |
| com.sun.star.util.Date dateValue = (com.sun.star.util.Date)Value; |
| if ( isDedicatedInvalidDate( dateValue ) ) |
| return "this is no valid date"; |
| |
| if ( !isNextMonthsDate( dateValue ) ) |
| return "date must denote a day in the current month"; |
| } |
| catch( java.lang.Exception e ) |
| { |
| return "oops. What did you enter for this to happen?"; |
| } |
| return ""; |
| } |
| |
| public boolean isValid( Object Value ) |
| { |
| try |
| { |
| if ( isVoid( Value ) ) |
| return false; |
| |
| com.sun.star.util.Date dateValue = (com.sun.star.util.Date) |
| com.sun.star.uno.AnyConverter.toObject( |
| com.sun.star.util.Date.class, Value); |
| if ( isDedicatedInvalidDate( dateValue ) ) |
| return false; |
| |
| if ( !isNextMonthsDate( dateValue ) ) |
| return false; |
| return true; |
| } |
| catch( java.lang.Exception e ) |
| { |
| e.printStackTrace( System.err ); |
| } |
| return false; |
| } |
| |
| private boolean isDedicatedInvalidDate( com.sun.star.util.Date dateValue ) |
| { |
| return ( dateValue.Day == 0 ) && ( dateValue.Month == 0 ) && ( dateValue.Year == 0 ); |
| } |
| |
| private boolean isNextMonthsDate( com.sun.star.util.Date dateValue ) |
| { |
| int overallMonth = dateValue.Year * 12 + dateValue.Month - 1; |
| |
| int todaysMonth = new java.util.Date().getMonth(); |
| int todaysYear = new java.util.Date().getYear() + 1900; |
| int todaysOverallMonth = todaysYear * 12 + todaysMonth; |
| |
| return overallMonth == todaysOverallMonth; |
| } |
| } |