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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.interop.executors;

import com.caoccao.javet.annotations.CheckReturnValue;
import com.caoccao.javet.exceptions.JavetException;
import com.caoccao.javet.interop.V8Runtime;
import com.caoccao.javet.values.V8Value;
import com.caoccao.javet.values.reference.V8Module;
import com.caoccao.javet.values.reference.V8Script;

/**
 * The type V8 string executor.
 *
 * @since 0.7.0
 */
public class V8StringExecutor extends BaseV8Executor {
    /**
     * The Script string.
     *
     * @since 0.7.0
     */
    protected String scriptString;

    /**
     * Instantiates a new V8 string executor.
     *
     * @param v8Runtime the V8 runtime
     * @since 0.7.0
     */
    public V8StringExecutor(V8Runtime v8Runtime) {
        this(v8Runtime, null);
    }

    /**
     * Instantiates a new V8 string executor.
     *
     * @param v8Runtime    the V8 runtime
     * @param scriptString the script string
     * @since 0.7.0
     */
    public V8StringExecutor(V8Runtime v8Runtime, String scriptString) {
        super(v8Runtime);
        this.scriptString = scriptString;
    }

    @Override
    @CheckReturnValue
    public V8Module compileV8Module(boolean resultRequired) throws JavetException {
        return v8Runtime.compileV8Module(getScriptString(), v8ScriptOrigin, resultRequired);
    }

    @Override
    @CheckReturnValue
    public V8Script compileV8Script(boolean resultRequired) throws JavetException {
        return v8Runtime.compileV8Script(getScriptString(), v8ScriptOrigin, resultRequired);
    }

    @Override
    @CheckReturnValue
    public  T execute(boolean resultRequired) throws JavetException {
        return v8Runtime.execute(getScriptString(), v8ScriptOrigin, resultRequired);
    }

    @Override
    public String getScriptString() throws JavetException {
        return scriptString;
    }
}