| /* |
| * 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 javax.json.JsonArray; |
| import javax.json.JsonNumber; |
| import javax.json.JsonObject; |
| import java.io.Serializable; |
| import java.math.BigDecimal; |
| import java.math.BigInteger; |
| |
| final class JsonNumberImpl implements JsonNumber, Serializable { |
| private final BigDecimal value; |
| private transient Integer hashCode = null; |
| |
| JsonNumberImpl(final BigDecimal decimal) { |
| if (decimal == null) { |
| throw new NullPointerException("decimal must not be null"); |
| } |
| |
| this.value = decimal; |
| } |
| |
| @Override |
| public Number numberValue() { |
| return value; |
| } |
| |
| @Override |
| public boolean isIntegral() { |
| return value.scale() == 0; |
| } |
| |
| @Override |
| public int intValue() { |
| return value.intValue(); |
| } |
| |
| @Override |
| public int intValueExact() { |
| checkFractionalPart(); |
| return value.intValueExact(); |
| } |
| |
| @Override |
| public long longValue() { |
| return value.longValue(); |
| } |
| |
| @Override |
| public long longValueExact() { |
| checkFractionalPart(); |
| return value.longValueExact(); |
| } |
| |
| @Override |
| public BigInteger bigIntegerValue() { |
| return value.toBigInteger(); |
| } |
| |
| @Override |
| public BigInteger bigIntegerValueExact() { |
| return value.toBigIntegerExact(); |
| } |
| |
| @Override |
| public double doubleValue() { |
| return value.doubleValue(); |
| } |
| |
| @Override |
| public BigDecimal bigDecimalValue() { |
| return value; |
| } |
| |
| @Override |
| public ValueType getValueType() { |
| return ValueType.NUMBER; |
| } |
| |
| @Override |
| public String toString() { |
| return value.toString(); |
| } |
| |
| @Override |
| public int hashCode() { |
| Integer h = hashCode; |
| if (h == null) { |
| h = value.hashCode(); |
| hashCode = h; |
| } |
| return h; |
| } |
| |
| @Override |
| public boolean equals(final Object obj) { |
| return JsonNumber.class.isInstance(obj) && JsonNumber.class.cast(obj).bigDecimalValue().equals(value); |
| } |
| |
| private void checkFractionalPart() { |
| if (value.remainder(BigDecimal.ONE).doubleValue() != 0) { |
| throw new ArithmeticException("Not an int/long, use other value readers"); |
| } |
| } |
| |
| @Override |
| public JsonObject asJsonObject() { |
| return JsonObject.class.cast(this); |
| } |
| |
| @Override |
| public JsonArray asJsonArray() { |
| return JsonArray.class.cast(this); |
| } |
| } |