/*

  * 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 java.math.BigDecimal;

 import java.math.BigInteger;

 import javax.json.JsonNumber;

 final class JsonNumberImpl implements JsonNumber {

     private final BigDecimal value;

     private Integer hashCode = null;

     JsonNumberImpl(final BigDecimal decimal) {

         if(decimal == null) {

             throw new NullPointerException("decimal must not be null");

         }

         this.value = decimal;

     }

     @Override

     public boolean isIntegral() {

         return value.scale() == 0;

     }

     @Override

     public int intValue() {

         return value.intValue();

     }

     @Override

     public int intValueExact() {

         return value.intValueExact();

     }

     @Override

     public long longValue() {

         return value.longValue();

     }

     @Override

     public long longValueExact() {

         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);

     }

 }