com.caoccao.javet.values.primitive.V8ValueDouble Maven / Gradle / Ivy

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Javet is Java + V8 (JAVa + V + EighT). It is an awesome way of embedding Node.js and V8 in Java.

There is a newer version: 4.0.0

/*
 * Copyright (c) 2021-2022. caoccao.com Sam Cao
 *
 * Licensed 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 com.caoccao.javet.values.primitive;

import com.caoccao.javet.exceptions.JavetException;
import com.caoccao.javet.interop.V8Runtime;

import java.math.BigDecimal;

@SuppressWarnings("unchecked")
public class V8ValueDouble extends V8ValuePrimitive {
    protected String cachedToString;

    public V8ValueDouble(V8Runtime v8Runtime) throws JavetException {
        this(v8Runtime, 0D);
    }

    public V8ValueDouble(V8Runtime v8Runtime, double value) throws JavetException {
        super(v8Runtime, value);
        cachedToString = null;
    }

    public boolean isFinite() {
        return Double.isFinite(value);
    }

    public boolean isInfinite() {
        return Double.isInfinite(value);
    }

    public boolean isNaN() {
        return Double.isNaN(value);
    }

    @Override
    public V8ValueDouble toClone(boolean referenceCopy) throws JavetException {
        return this;
    }

    public double toPrimitive() {
        return value;
    }

    @Override
    public String toString() {
        if (cachedToString == null) {
            cachedToString = new BigDecimal(value.toString()).toPlainString();
        }
        return cachedToString;
    }
}