| /* |
| * 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. |
| */ |
| package org.apache.bval.constraints; |
| |
| import javax.validation.ConstraintValidator; |
| import javax.validation.ConstraintValidatorContext; |
| import javax.validation.constraints.DecimalMax; |
| import java.math.BigDecimal; |
| import java.math.BigInteger; |
| |
| /** Description: validate that number-value of passed object is <= maxvalue<br/> */ |
| public class DecimalMaxValidatorForNumber |
| implements ConstraintValidator<DecimalMax, Number> { |
| |
| private BigDecimal maxValue; |
| |
| public void initialize(DecimalMax annotation) { |
| try { |
| this.maxValue = new BigDecimal(annotation.value()); |
| } catch (NumberFormatException nfe) { |
| throw new IllegalArgumentException( |
| annotation.value() + " does not represent a valid BigDecimal format"); |
| } |
| } |
| |
| public boolean isValid(Number value, ConstraintValidatorContext context) { |
| if (value == null) { |
| return true; |
| } else if (value instanceof BigDecimal) { |
| return ((BigDecimal) value).compareTo(maxValue) != 1; |
| } else if (value instanceof BigInteger) { |
| return (new BigDecimal((BigInteger) value)).compareTo(maxValue) != 1; |
| } else { |
| return (new BigDecimal(value.doubleValue()).compareTo(maxValue)) != 1; |
| } |
| } |
| } |