| /* |
| * 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.johnzon.core; |
| |
| import jakarta.json.JsonNumber; |
| import java.io.Serializable; |
| import java.math.BigDecimal; |
| import java.math.BigInteger; |
| import java.util.Objects; |
| |
| final class JsonDoubleImpl implements JsonNumber, Serializable { |
| private final double value; |
| |
| private Integer hashCode = null; |
| |
| JsonDoubleImpl(final double value) { |
| |
| if(Double.isInfinite(value) || Double.isNaN(value)) { |
| throw new NumberFormatException("double value must not be NaN or Infinite"); |
| } |
| |
| this.value = value; |
| } |
| |
| @Override |
| public Number numberValue() { |
| return value; |
| } |
| |
| @Override |
| public boolean isIntegral() { |
| return false; |
| } |
| |
| @Override |
| public int intValue() { |
| return (int) value; |
| } |
| |
| @Override |
| public int intValueExact() { |
| checkFractionalPart(); |
| return intValue(); |
| } |
| |
| @Override |
| public long longValue() { |
| return (long) value; |
| } |
| |
| @Override |
| public long longValueExact() { |
| checkFractionalPart(); |
| return (long) value; |
| } |
| |
| @Override |
| public BigInteger bigIntegerValue() { |
| return new BigDecimal(toString()).toBigInteger(); |
| } |
| |
| @Override |
| public BigInteger bigIntegerValueExact() { |
| return new BigDecimal(toString()).toBigIntegerExact(); |
| } |
| |
| @Override |
| public double doubleValue() { |
| return value; |
| } |
| |
| @Override |
| public BigDecimal bigDecimalValue() { |
| return new BigDecimal(toString()); |
| } |
| |
| @Override |
| public ValueType getValueType() { |
| return ValueType.NUMBER; |
| } |
| |
| @Override |
| public String toString() { |
| return Double.toString(value); |
| } |
| |
| @Override |
| public int hashCode() { |
| if (hashCode == null) { |
| hashCode = bigDecimalValue().hashCode(); |
| } |
| |
| return hashCode; |
| } |
| |
| @Override |
| public boolean equals(final Object obj) { |
| if (JsonDoubleImpl.class.isInstance(obj)) { |
| return JsonDoubleImpl.class.cast(obj).value == value; |
| } |
| return JsonNumber.class.isInstance(obj) && Objects.equals(JsonNumber.class.cast(obj).bigDecimalValue(), bigDecimalValue()); |
| } |
| |
| private void checkFractionalPart() { |
| if ((value % 1) != 0) { |
| throw new ArithmeticException("Not an int/long, use other value readers"); |
| } |
| } |
| } |