| /************************************************************** |
| * |
| * 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 NumericValidator extends ControlValidator |
| { |
| |
| /** Creates a new instance of NumericValidator */ |
| public NumericValidator( ) |
| { |
| } |
| |
| public String explainInvalid( Object Value ) |
| { |
| try |
| { |
| double value = ((Double)Value).doubleValue(); |
| if ( Double.compare( Double.NaN, value ) == 0 ) |
| return "This is NotANumber"; |
| if ( !isProperRange( value ) ) |
| return "The value must be between 0 and 100"; |
| if ( !isProperDigitCount( value ) ) |
| return "The value must have at most one decimal digit"; |
| } |
| catch( java.lang.Exception e ) |
| { |
| return "This is no valid number"; |
| } |
| return ""; |
| } |
| |
| public boolean isValid( Object Value ) |
| { |
| try |
| { |
| double value = ((Double)Value).doubleValue(); |
| if ( Double.compare( Double.NaN, value ) == 0 ) |
| return false; |
| if ( !isProperRange( value ) ) |
| return false; |
| if ( !isProperDigitCount( value ) ) |
| return false; |
| return true; |
| } |
| catch( java.lang.Exception e ) |
| { |
| } |
| return false; |
| } |
| |
| private boolean isProperRange( double value) |
| { |
| return ( value >= 0 ) && ( value <= 100 ); |
| } |
| |
| private boolean isProperDigitCount( double value) |
| { |
| return ( java.lang.Math.floor( value * 10 ) == value * 10 ); |
| } |
| } |