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Add Build Native Image with JS Embedded demo
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‎.github/workflows/native-image-build-shared-library.yml

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timeout-minutes: 15
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strategy:
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matrix:
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java-version: ['21', 'dev']
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java-version: ['21', '24-ea']
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steps:
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- uses: actions/checkout@v4
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- uses: graalvm/setup-graalvm@v1

‎.github/workflows/native-image-build-with-js-embedded.yml

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name: native-image/build-with-js-embedded
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on:
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push:
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paths:
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- 'native-image/build-with-js-embedded/**'
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- '.github/workflows/native-image-build-with-js-embedded.yml'
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pull_request:
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paths:
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- 'native-image/build-with-js-embedded/**'
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- '.github/workflows/native-image-build-with-js-embedded.yml'
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schedule:
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- cron: "0 0 1 * *" # run every month
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workflow_dispatch:
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permissions:
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contents: read
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jobs:
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run:
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name: Run 'native-image/build-with-js-embedded'
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runs-on: ubuntu-latest
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timeout-minutes: 15
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strategy:
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matrix:
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java-version: ['21', '24-ea']
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steps:
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- uses: actions/checkout@v4
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- uses: graalvm/setup-graalvm@v1
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with:
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java-version: ${{ matrix.java-version }}
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distribution: 'graalvm'
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github-token: ${{ secrets.GITHUB_TOKEN }}
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cache: 'maven'
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native-image-job-reports: 'true'
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- name: Run 'native-image/build-with-js-embedded'
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run: |
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cd native-image/build-with-js-embedded
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./run.sh

‎native-image/build-with-js-embedded/README.md

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# Build a Polyglot Native Executable (Java and JavaScript)
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You can find the steps to run this demo on [the website](https://www.graalvm.org/latest/reference-manual/native-image/guides/build-polyglot-native-executable/).

‎native-image/build-with-js-embedded/pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>org.example</groupId>
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<artifactId>PrettyPrintJSON</artifactId>
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<version>1.0-SNAPSHOT</version>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<maven.compiler.source>21</maven.compiler.source>
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<maven.compiler.target>21</maven.compiler.target>
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<graalvm.polyglot.version>24.1.1</graalvm.polyglot.version>
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<native.maven.plugin.version>0.10.3</native.maven.plugin.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.graalvm.polyglot</groupId>
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<artifactId>polyglot</artifactId>
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<version>${graalvm.polyglot.version}</version>
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</dependency>
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<dependency>
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<groupId>org.graalvm.polyglot</groupId>
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<artifactId>js</artifactId>
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<version>${graalvm.polyglot.version}</version>
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<type>pom</type>
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</dependency>
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</dependencies>
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<build>
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<pluginManagement>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-jar-plugin</artifactId>
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<version>3.4.2</version>
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<configuration>
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<archive>
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<manifest>
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<mainClass>com.example.PrettyPrintJSON</mainClass>
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</manifest>
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</archive>
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</configuration>
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</plugin>
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</plugins>
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</pluginManagement>
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</build>
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<profiles>
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<profile>
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<id>native</id>
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<build>
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<plugins>
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<plugin>
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<groupId>org.graalvm.buildtools</groupId>
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<artifactId>native-maven-plugin</artifactId>
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<version>${native.maven.plugin.version}</version>
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<extensions>true</extensions>
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<executions>
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<execution>
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<id>build-native</id>
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<goals>
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<goal>compile-no-fork</goal>
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</goals>
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<phase>package</phase>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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</profile>
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</profiles>
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</project>

‎native-image/build-with-js-embedded/run.sh

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#!/usr/bin/env bash
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set -ex
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mvn --no-transfer-progress package
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mvn -Pnative package
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./target/PrettyPrintJSON <<EOF
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{"GraalVM":{"description":"Language Abstraction Platform","supports":["combining languages","embedding languages","creating native images"],"languages": ["Java", "JavaScript", "Python"]}}
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EOF

‎native-image/build-with-js-embedded/src/main/java/com/example/PrettyPrintJSON.java

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/*
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* Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* The Universal Permissive License (UPL), Version 1.0
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*
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* Subject to the condition set forth below, permission is hereby granted to any
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* person obtaining a copy of this software, associated documentation and/or
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* data (collectively the "Software"), free of charge and under any and all
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* copyright rights in the Software, and any and all patent rights owned or
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* freely licensable by each licensor hereunder covering either (i) the
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* unmodified Software as contributed to or provided by such licensor, or (ii)
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* the Larger Works (as defined below), to deal in both
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*
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* (a) the Software, and
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*
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* (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if
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* one is included with the Software each a "Larger Work" to which the Software
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* is contributed by such licensors),
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*
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* without restriction, including without limitation the rights to copy, create
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* derivative works of, display, perform, and distribute the Software and make,
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* use, sell, offer for sale, import, export, have made, and have sold the
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* Software and the Larger Work(s), and to sublicense the foregoing rights on
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* either these or other terms.
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*
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* This license is subject to the following condition:
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*
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* The above copyright notice and either this complete permission notice or at a
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* minimum a reference to the UPL must be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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package com.example;
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import java.io.*;
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import java.util.stream.*;
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import org.graalvm.polyglot.*;
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public class PrettyPrintJSON {
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public static void main(String[] args) throws java.io.IOException {
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BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
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String input = reader.lines()
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.collect(Collectors.joining(System.lineSeparator()));
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try (Context context = Context.create("js")) {
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Value parse = context.eval("js", "JSON.parse");
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Value stringify = context.eval("js", "JSON.stringify");
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Value result = stringify.execute(parse.execute(input), null, 2);
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System.out.println(result.asString());
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}
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}
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}

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