Merge b8162e8075 into 40b9536ce5

* Add support for Oracle GraalVM

* Add support for EA builds of Oracle GraalVM

.github/workflows/e2e-versions.yml

@@ -45,11 +45,22 @@ jobs:
             version: 17
           - distribution: oracle
             os: windows-latest
-            version: 20
+            version: 21
           - distribution: oracle
             os: ubuntu-latest
-            version: 20
-
+            version: 21
+          - distribution: graalvm
+            os: macos-latest
+            version: 17
+          - distribution: graalvm
+            os: windows-latest
+            version: 21
+          - distribution: graalvm
+            os: ubuntu-latest
+            version: 21
+          - distribution: graalvm
+            os: ubuntu-latest
+            version: '24-ea'
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -79,7 +90,10 @@ jobs:
         include:
           - distribution: oracle
             os: ubuntu-latest
-            version: '20.0.1'
+            version: '21.0.4'
+          - distribution: graalvm
+            os: ubuntu-latest
+            version: '21.0.4'
           - distribution: dragonwell
             os: ubuntu-latest
             version: '11.0'

README.md

@@ -109,6 +109,7 @@ Currently, the following distributions are supported:
 | `oracle` | Oracle JDK | [Link](https://www.oracle.com/java/technologies/downloads/) | [Link](https://java.com/freeuselicense)
 | `dragonwell` | Alibaba Dragonwell JDK | [Link](https://dragonwell-jdk.io/) | [Link](https://www.aliyun.com/product/dragonwell/)
 | `sapmachine` | SAP SapMachine JDK/JRE | [Link](https://sapmachine.io/) | [Link](https://github.com/SAP/SapMachine/blob/sapmachine/LICENSE)
+| `graalvm` | Oracle GraalVM | [Link](https://www.graalvm.org/) | [Link](https://www.oracle.com/downloads/licenses/graal-free-license.html)
 
 **NOTE:** The different distributors can provide discrepant list of available versions / supported configurations. Please refer to the official documentation to see the list of supported versions.
 
@@ -259,6 +260,7 @@ In the example above multiple JDKs are installed for the same job. The result af
   - [Oracle](docs/advanced-usage.md#Oracle)
   - [Alibaba Dragonwell](docs/advanced-usage.md#Alibaba-Dragonwell)
   - [SapMachine](docs/advanced-usage.md#SapMachine)
+  - [GraalVM](docs/advanced-usage.md#GraalVM)
 - [Installing custom Java package type](docs/advanced-usage.md#Installing-custom-Java-package-type)
 - [Installing custom Java architecture](docs/advanced-usage.md#Installing-custom-Java-architecture)
 - [Installing custom Java distribution from local file](docs/advanced-usage.md#Installing-Java-from-local-file)

__tests__/distributors/graalvm-installer.test.ts

@@ -0,0 +1,152 @@
+import {GraalVMDistribution} from '../../src/distributions/graalvm/installer';
+import os from 'os';
+import * as core from '@actions/core';
+import {getDownloadArchiveExtension} from '../../src/util';
+import {HttpClient} from '@actions/http-client';
+
+describe('findPackageForDownload', () => {
+  let distribution: GraalVMDistribution;
+  let spyDebug: jest.SpyInstance;
+  let spyHttpClient: jest.SpyInstance;
+
+  beforeEach(() => {
+    distribution = new GraalVMDistribution({
+      version: '',
+      architecture: 'x64',
+      packageType: 'jdk',
+      checkLatest: false
+    });
+
+    spyDebug = jest.spyOn(core, 'debug');
+    spyDebug.mockImplementation(() => {});
+  });
+
+  it.each([
+    [
+      '21',
+      '21',
+      'https://download.oracle.com/graalvm/21/latest/graalvm-jdk-21_{{OS_TYPE}}-x64_bin.{{ARCHIVE_TYPE}}'
+    ],
+    [
+      '21.0.4',
+      '21.0.4',
+      'https://download.oracle.com/graalvm/21/archive/graalvm-jdk-21.0.4_{{OS_TYPE}}-x64_bin.{{ARCHIVE_TYPE}}'
+    ],
+    [
+      '17',
+      '17',
+      'https://download.oracle.com/graalvm/17/latest/graalvm-jdk-17_{{OS_TYPE}}-x64_bin.{{ARCHIVE_TYPE}}'
+    ],
+    [
+      '17.0.12',
+      '17.0.12',
+      'https://download.oracle.com/graalvm/17/archive/graalvm-jdk-17.0.12_{{OS_TYPE}}-x64_bin.{{ARCHIVE_TYPE}}'
+    ]
+  ])('version is %s -> %s', async (input, expectedVersion, expectedUrl) => {
+    /* Needed only for this particular test because /latest/ urls tend to change */
+    spyHttpClient = jest.spyOn(HttpClient.prototype, 'head');
+    spyHttpClient.mockReturnValue(
+      Promise.resolve({
+        message: {
+          statusCode: 200
+        }
+      })
+    );
+
+    const result = await distribution['findPackageForDownload'](input);
+
+    jest.restoreAllMocks();
+
+    expect(result.version).toBe(expectedVersion);
+    const osType = distribution.getPlatform();
+    const archiveType = getDownloadArchiveExtension();
+    const url = expectedUrl
+      .replace('{{OS_TYPE}}', osType)
+      .replace('{{ARCHIVE_TYPE}}', archiveType);
+    expect(result.url).toBe(url);
+  });
+
+  it.each([
+    [
+      '24-ea',
+      /^https:\/\/github\.com\/graalvm\/oracle-graalvm-ea-builds\/releases\/download\/jdk-24\.0\.0-ea\./
+    ]
+  ])('version is %s -> %s', async (version, expectedUrlPrefix) => {
+    /* Needed only for this particular test because /latest/ urls tend to change */
+    spyHttpClient = jest.spyOn(HttpClient.prototype, 'head');
+    spyHttpClient.mockReturnValue(
+      Promise.resolve({
+        message: {
+          statusCode: 200
+        }
+      })
+    );
+
+    const eaDistro = new GraalVMDistribution({
+      version,
+      architecture: '', // to get default value
+      packageType: 'jdk',
+      checkLatest: false
+    });
+
+    const versionWithoutEA = version.split('-')[0];
+    const result = await eaDistro['findPackageForDownload'](versionWithoutEA);
+
+    jest.restoreAllMocks();
+
+    expect(result.url).toEqual(expect.stringMatching(expectedUrlPrefix));
+  });
+
+  it.each([
+    ['amd64', 'x64'],
+    ['arm64', 'aarch64']
+  ])(
+    'defaults to os.arch(): %s mapped to distro arch: %s',
+    async (osArch: string, distroArch: string) => {
+      jest.spyOn(os, 'arch').mockReturnValue(osArch);
+      jest.spyOn(os, 'platform').mockReturnValue('linux');
+
+      const version = '21';
+      const distro = new GraalVMDistribution({
+        version,
+        architecture: '', // to get default value
+        packageType: 'jdk',
+        checkLatest: false
+      });
+
+      const osType = distribution.getPlatform();
+      if (osType === 'windows' && distroArch == 'aarch64') {
+        return; // skip, aarch64 is not available for Windows
+      }
+      const archiveType = getDownloadArchiveExtension();
+      const result = await distro['findPackageForDownload'](version);
+      const expectedUrl = `https://download.oracle.com/graalvm/21/latest/graalvm-jdk-21_${osType}-${distroArch}_bin.${archiveType}`;
+
+      expect(result.url).toBe(expectedUrl);
+    }
+  );
+
+  it('should throw an error', async () => {
+    await expect(distribution['findPackageForDownload']('8')).rejects.toThrow(
+      /GraalVM is only supported for JDK 17 and later/
+    );
+    await expect(distribution['findPackageForDownload']('11')).rejects.toThrow(
+      /GraalVM is only supported for JDK 17 and later/
+    );
+    await expect(distribution['findPackageForDownload']('18')).rejects.toThrow(
+      /Could not find GraalVM for SemVer */
+    );
+
+    const unavailableEADistro = new GraalVMDistribution({
+      version: '17-ea',
+      architecture: '', // to get default value
+      packageType: 'jdk',
+      checkLatest: false
+    });
+    await expect(
+      unavailableEADistro['findPackageForDownload']('17')
+    ).rejects.toThrow(
+      /No GraalVM EA build found\. Are you sure java-version: '17-ea' is correct\?/
+    );
+  });
+});

__tests__/toolchains.test.ts

@@ -143,7 +143,20 @@ describe('toolchains tests', () => {
         </toolchain>
       </toolchains>`;
     const result = `<?xml version="1.0"?>
-<toolchains>
+<toolchains xmlns="http://maven.apache.org/TOOLCHAINS/1.1.0"
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/TOOLCHAINS/1.1.0 https://maven.apache.org/xsd/toolchains-1.1.0.xsd">
+  <toolchain>
+    <type>jdk</type>
+    <provides>
+      <version>17</version>
+      <vendor>Eclipse Temurin</vendor>
+      <id>temurin_17</id>
+    </provides>
+    <configuration>
+      <jdkHome>/opt/hostedtoolcache/Java_Temurin-Hotspot_jdk/17.0.1-12/x64</jdkHome>
+    </configuration>
+  </toolchain>
   <toolchain>
     <type>jdk</type>
     <provides>
@@ -155,6 +168,442 @@ describe('toolchains tests', () => {
       <jdkHome>/opt/jdk/sun/1.6</jdkHome>
     </configuration>
   </toolchain>
+</toolchains>`;
+
+    fs.mkdirSync(m2Dir, {recursive: true});
+    fs.writeFileSync(toolchainsFile, originalFile);
+    expect(fs.existsSync(m2Dir)).toBe(true);
+    expect(fs.existsSync(toolchainsFile)).toBe(true);
+
+    await toolchains.createToolchainsSettings({
+      jdkInfo,
+      settingsDirectory: m2Dir,
+      overwriteSettings: true
+    });
+
+    expect(fs.existsSync(m2Dir)).toBe(true);
+    expect(fs.existsSync(toolchainsFile)).toBe(true);
+    expect(fs.readFileSync(toolchainsFile, 'utf-8')).toEqual(
+      toolchains.generateToolchainDefinition(
+        originalFile,
+        jdkInfo.version,
+        jdkInfo.vendor,
+        jdkInfo.id,
+        jdkInfo.jdkHome
+      )
+    );
+    expect(
+      toolchains.generateToolchainDefinition(
+        originalFile,
+        jdkInfo.version,
+        jdkInfo.vendor,
+        jdkInfo.id,
+        jdkInfo.jdkHome
+      )
+    ).toEqual(result);
+  }, 100000);
+
+  it('does not discard custom elements in existing toolchain definitions', async () => {
+    const jdkInfo = {
+      version: '17',
+      vendor: 'Eclipse Temurin',
+      id: 'temurin_17',
+      jdkHome: '/opt/hostedtoolcache/Java_Temurin-Hotspot_jdk/17.0.1-12/x64'
+    };
+
+    const originalFile = `<toolchains>
+        <toolchain>
+          <type>jdk</type>
+          <provides>
+            <version>1.6</version>
+            <vendor>Sun</vendor>
+            <id>sun_1.6</id>
+            <custom>foo</custom>
+          </provides>
+          <configuration>
+            <jdkHome>/opt/jdk/sun/1.6</jdkHome>
+            <fooHome>/usr/local/bin/bash</fooHome>
+          </configuration>
+        </toolchain>
+      </toolchains>`;
+    const result = `<?xml version="1.0"?>
+<toolchains xmlns="http://maven.apache.org/TOOLCHAINS/1.1.0"
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/TOOLCHAINS/1.1.0 https://maven.apache.org/xsd/toolchains-1.1.0.xsd">
+  <toolchain>
+    <type>jdk</type>
+    <provides>
+      <version>17</version>
+      <vendor>Eclipse Temurin</vendor>
+      <id>temurin_17</id>
+    </provides>
+    <configuration>
+      <jdkHome>/opt/hostedtoolcache/Java_Temurin-Hotspot_jdk/17.0.1-12/x64</jdkHome>
+    </configuration>
+  </toolchain>
+  <toolchain>
+    <type>jdk</type>
+    <provides>
+      <version>1.6</version>
+      <vendor>Sun</vendor>
+      <id>sun_1.6</id>
+      <custom>foo</custom>
+    </provides>
+    <configuration>
+      <jdkHome>/opt/jdk/sun/1.6</jdkHome>
+      <fooHome>/usr/local/bin/bash</fooHome>
+    </configuration>
+  </toolchain>
+</toolchains>`;
+
+    fs.mkdirSync(m2Dir, {recursive: true});
+    fs.writeFileSync(toolchainsFile, originalFile);
+    expect(fs.existsSync(m2Dir)).toBe(true);
+    expect(fs.existsSync(toolchainsFile)).toBe(true);
+
+    await toolchains.createToolchainsSettings({
+      jdkInfo,
+      settingsDirectory: m2Dir,
+      overwriteSettings: true
+    });
+
+    expect(fs.existsSync(m2Dir)).toBe(true);
+    expect(fs.existsSync(toolchainsFile)).toBe(true);
+    expect(fs.readFileSync(toolchainsFile, 'utf-8')).toEqual(
+      toolchains.generateToolchainDefinition(
+        originalFile,
+        jdkInfo.version,
+        jdkInfo.vendor,
+        jdkInfo.id,
+        jdkInfo.jdkHome
+      )
+    );
+    expect(
+      toolchains.generateToolchainDefinition(
+        originalFile,
+        jdkInfo.version,
+        jdkInfo.vendor,
+        jdkInfo.id,
+        jdkInfo.jdkHome
+      )
+    ).toEqual(result);
+  }, 100000);
+
+  it('does not discard existing, custom toolchain definitions', async () => {
+    const jdkInfo = {
+      version: '17',
+      vendor: 'Eclipse Temurin',
+      id: 'temurin_17',
+      jdkHome: '/opt/hostedtoolcache/Java_Temurin-Hotspot_jdk/17.0.1-12/x64'
+    };
+
+    const originalFile = `<toolchains>
+        <toolchain>
+            <type>foo</type>
+            <provides>
+                <custom>baz</custom>
+            </provides>
+            <configuration>
+                <fooHome>/usr/local/bin/foo</fooHome>
+            </configuration>
+        </toolchain>
+      </toolchains>`;
+    const result = `<?xml version="1.0"?>
+<toolchains xmlns="http://maven.apache.org/TOOLCHAINS/1.1.0"
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/TOOLCHAINS/1.1.0 https://maven.apache.org/xsd/toolchains-1.1.0.xsd">
+  <toolchain>
+    <type>jdk</type>
+    <provides>
+      <version>17</version>
+      <vendor>Eclipse Temurin</vendor>
+      <id>temurin_17</id>
+    </provides>
+    <configuration>
+      <jdkHome>/opt/hostedtoolcache/Java_Temurin-Hotspot_jdk/17.0.1-12/x64</jdkHome>
+    </configuration>
+  </toolchain>
+  <toolchain>
+    <type>foo</type>
+    <provides>
+      <custom>baz</custom>
+    </provides>
+    <configuration>
+      <fooHome>/usr/local/bin/foo</fooHome>
+    </configuration>
+  </toolchain>
+</toolchains>`;
+
+    fs.mkdirSync(m2Dir, {recursive: true});
+    fs.writeFileSync(toolchainsFile, originalFile);
+    expect(fs.existsSync(m2Dir)).toBe(true);
+    expect(fs.existsSync(toolchainsFile)).toBe(true);
+
+    await toolchains.createToolchainsSettings({
+      jdkInfo,
+      settingsDirectory: m2Dir,
+      overwriteSettings: true
+    });
+
+    expect(fs.existsSync(m2Dir)).toBe(true);
+    expect(fs.existsSync(toolchainsFile)).toBe(true);
+    expect(fs.readFileSync(toolchainsFile, 'utf-8')).toEqual(
+      toolchains.generateToolchainDefinition(
+        originalFile,
+        jdkInfo.version,
+        jdkInfo.vendor,
+        jdkInfo.id,
+        jdkInfo.jdkHome
+      )
+    );
+    expect(
+      toolchains.generateToolchainDefinition(
+        originalFile,
+        jdkInfo.version,
+        jdkInfo.vendor,
+        jdkInfo.id,
+        jdkInfo.jdkHome
+      )
+    ).toEqual(result);
+  }, 100000);
+
+  it('does not duplicate existing toolchain definitions', async () => {
+    const jdkInfo = {
+      version: '17',
+      vendor: 'Eclipse Temurin',
+      id: 'temurin_17',
+      jdkHome: '/opt/hostedtoolcache/Java_Temurin-Hotspot_jdk/17.0.1-12/x64'
+    };
+
+    const originalFile = `<toolchains>
+      <toolchain>
+        <type>jdk</type>
+        <provides>
+          <version>17</version>
+          <vendor>Eclipse Temurin</vendor>
+          <id>temurin_17</id>
+        </provides>
+        <configuration>
+          <jdkHome>/opt/hostedtoolcache/Java_Temurin-Hotspot_jdk/17.0.1-12/x64</jdkHome>
+        </configuration>
+      </toolchain>
+      </toolchains>`;
+    const result = `<?xml version="1.0"?>
+<toolchains xmlns="http://maven.apache.org/TOOLCHAINS/1.1.0"
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/TOOLCHAINS/1.1.0 https://maven.apache.org/xsd/toolchains-1.1.0.xsd">
+  <toolchain>
+    <type>jdk</type>
+    <provides>
+      <version>17</version>
+      <vendor>Eclipse Temurin</vendor>
+      <id>temurin_17</id>
+    </provides>
+    <configuration>
+      <jdkHome>/opt/hostedtoolcache/Java_Temurin-Hotspot_jdk/17.0.1-12/x64</jdkHome>
+    </configuration>
+  </toolchain>
+</toolchains>`;
+
+    fs.mkdirSync(m2Dir, {recursive: true});
+    fs.writeFileSync(toolchainsFile, originalFile);
+    expect(fs.existsSync(m2Dir)).toBe(true);
+    expect(fs.existsSync(toolchainsFile)).toBe(true);
+
+    await toolchains.createToolchainsSettings({
+      jdkInfo,
+      settingsDirectory: m2Dir,
+      overwriteSettings: true
+    });
+
+    expect(fs.existsSync(m2Dir)).toBe(true);
+    expect(fs.existsSync(toolchainsFile)).toBe(true);
+    expect(fs.readFileSync(toolchainsFile, 'utf-8')).toEqual(
+      toolchains.generateToolchainDefinition(
+        originalFile,
+        jdkInfo.version,
+        jdkInfo.vendor,
+        jdkInfo.id,
+        jdkInfo.jdkHome
+      )
+    );
+    expect(
+      toolchains.generateToolchainDefinition(
+        originalFile,
+        jdkInfo.version,
+        jdkInfo.vendor,
+        jdkInfo.id,
+        jdkInfo.jdkHome
+      )
+    ).toEqual(result);
+  }, 100000);
+
+  it('does not duplicate existing toolchain definitions if multiple exist', async () => {
+    const jdkInfo = {
+      version: '17',
+      vendor: 'Eclipse Temurin',
+      id: 'temurin_17',
+      jdkHome: '/opt/hostedtoolcache/Java_Temurin-Hotspot_jdk/17.0.1-12/x64'
+    };
+
+    const originalFile = `<toolchains>
+        <toolchain>
+          <type>jdk</type>
+          <provides>
+            <version>1.6</version>
+            <vendor>Sun</vendor>
+            <id>sun_1.6</id>
+          </provides>
+          <configuration>
+            <jdkHome>/opt/jdk/sun/1.6</jdkHome>
+          </configuration>
+        </toolchain>
+      <toolchain>
+        <type>jdk</type>
+        <provides>
+          <version>17</version>
+          <vendor>Eclipse Temurin</vendor>
+          <id>temurin_17</id>
+        </provides>
+        <configuration>
+          <jdkHome>/opt/hostedtoolcache/Java_Temurin-Hotspot_jdk/17.0.1-12/x64</jdkHome>
+        </configuration>
+      </toolchain>
+      </toolchains>`;
+    const result = `<?xml version="1.0"?>
+<toolchains xmlns="http://maven.apache.org/TOOLCHAINS/1.1.0"
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/TOOLCHAINS/1.1.0 https://maven.apache.org/xsd/toolchains-1.1.0.xsd">
+  <toolchain>
+    <type>jdk</type>
+    <provides>
+      <version>17</version>
+      <vendor>Eclipse Temurin</vendor>
+      <id>temurin_17</id>
+    </provides>
+    <configuration>
+      <jdkHome>/opt/hostedtoolcache/Java_Temurin-Hotspot_jdk/17.0.1-12/x64</jdkHome>
+    </configuration>
+  </toolchain>
+  <toolchain>
+    <type>jdk</type>
+    <provides>
+      <version>1.6</version>
+      <vendor>Sun</vendor>
+      <id>sun_1.6</id>
+    </provides>
+    <configuration>
+      <jdkHome>/opt/jdk/sun/1.6</jdkHome>
+    </configuration>
+  </toolchain>
+</toolchains>`;
+
+    fs.mkdirSync(m2Dir, {recursive: true});
+    fs.writeFileSync(toolchainsFile, originalFile);
+    expect(fs.existsSync(m2Dir)).toBe(true);
+    expect(fs.existsSync(toolchainsFile)).toBe(true);
+
+    await toolchains.createToolchainsSettings({
+      jdkInfo,
+      settingsDirectory: m2Dir,
+      overwriteSettings: true
+    });
+
+    expect(fs.existsSync(m2Dir)).toBe(true);
+    expect(fs.existsSync(toolchainsFile)).toBe(true);
+    expect(fs.readFileSync(toolchainsFile, 'utf-8')).toEqual(
+      toolchains.generateToolchainDefinition(
+        originalFile,
+        jdkInfo.version,
+        jdkInfo.vendor,
+        jdkInfo.id,
+        jdkInfo.jdkHome
+      )
+    );
+    expect(
+      toolchains.generateToolchainDefinition(
+        originalFile,
+        jdkInfo.version,
+        jdkInfo.vendor,
+        jdkInfo.id,
+        jdkInfo.jdkHome
+      )
+    ).toEqual(result);
+  }, 100000);
+
+  it('handles an empty list of existing toolchains correctly', async () => {
+    const jdkInfo = {
+      version: '17',
+      vendor: 'Eclipse Temurin',
+      id: 'temurin_17',
+      jdkHome: '/opt/hostedtoolcache/Java_Temurin-Hotspot_jdk/17.0.1-12/x64'
+    };
+
+    const originalFile = `<toolchains>
+      </toolchains>`;
+    const result = `<?xml version="1.0"?>
+<toolchains xmlns="http://maven.apache.org/TOOLCHAINS/1.1.0"
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/TOOLCHAINS/1.1.0 https://maven.apache.org/xsd/toolchains-1.1.0.xsd">
+  <toolchain>
+    <type>jdk</type>
+    <provides>
+      <version>17</version>
+      <vendor>Eclipse Temurin</vendor>
+      <id>temurin_17</id>
+    </provides>
+    <configuration>
+      <jdkHome>/opt/hostedtoolcache/Java_Temurin-Hotspot_jdk/17.0.1-12/x64</jdkHome>
+    </configuration>
+  </toolchain>
+</toolchains>`;
+
+    fs.mkdirSync(m2Dir, {recursive: true});
+    fs.writeFileSync(toolchainsFile, originalFile);
+    expect(fs.existsSync(m2Dir)).toBe(true);
+    expect(fs.existsSync(toolchainsFile)).toBe(true);
+
+    await toolchains.createToolchainsSettings({
+      jdkInfo,
+      settingsDirectory: m2Dir,
+      overwriteSettings: true
+    });
+
+    expect(fs.existsSync(m2Dir)).toBe(true);
+    expect(fs.existsSync(toolchainsFile)).toBe(true);
+    expect(fs.readFileSync(toolchainsFile, 'utf-8')).toEqual(
+      toolchains.generateToolchainDefinition(
+        originalFile,
+        jdkInfo.version,
+        jdkInfo.vendor,
+        jdkInfo.id,
+        jdkInfo.jdkHome
+      )
+    );
+    expect(
+      toolchains.generateToolchainDefinition(
+        originalFile,
+        jdkInfo.version,
+        jdkInfo.vendor,
+        jdkInfo.id,
+        jdkInfo.jdkHome
+      )
+    ).toEqual(result);
+  }, 100000);
+
+  it('handles an empty existing toolchains.xml correctly', async () => {
+    const jdkInfo = {
+      version: '17',
+      vendor: 'Eclipse Temurin',
+      id: 'temurin_17',
+      jdkHome: '/opt/hostedtoolcache/Java_Temurin-Hotspot_jdk/17.0.1-12/x64'
+    };
+
+    const originalFile = ``;
+    const result = `<?xml version="1.0"?>
+<toolchains xmlns="http://maven.apache.org/TOOLCHAINS/1.1.0"
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/TOOLCHAINS/1.1.0 https://maven.apache.org/xsd/toolchains-1.1.0.xsd">
   <toolchain>
     <type>jdk</type>
     <provides>

dist/cleanup/index.js

@@ -88116,7 +88116,7 @@ function computeCacheKey(packageManager, cacheDependencyPath) {
         if (!fileHash) {
             throw new Error(`No file in ${process.cwd()} matched to [${pattern}], make sure you have checked out the target repository`);
         }
-        return `${CACHE_KEY_PREFIX}-${process.env['RUNNER_OS']}-${packageManager.id}-${fileHash}`;
+        return `${CACHE_KEY_PREFIX}-${process.env['RUNNER_OS']}-${process.arch}-${packageManager.id}-${fileHash}`;
     });
 }
 /**

docs/advanced-usage.md

@@ -9,6 +9,7 @@
   - [Oracle](#Oracle)
   - [Alibaba Dragonwell](#Alibaba-Dragonwell)
   - [SapMachine](#SapMachine)
+  - [GraalVM](#GraalVM)
 - [Installing custom Java package type](#Installing-custom-Java-package-type)
 - [Installing custom Java architecture](#Installing-custom-Java-architecture)
 - [Installing custom Java distribution from local file](#Installing-Java-from-local-file)
@@ -155,6 +156,21 @@ steps:
 - run: java -cp java HelloWorldApp
 ```
 
+### GraalVM
+**NOTE:** Oracle GraalVM is only available for JDK 17 and later.
+
+```yaml
+steps:
+- uses: actions/checkout@v4
+- uses: actions/setup-java@v4
+  with:
+    distribution: 'graalvm'
+    java-version: '21'
+- run: |
+    java -cp java HelloWorldApp
+    native-image -cp java HelloWorldApp
+```
+
 ## Installing custom Java package type
 ```yaml
 steps:

src/cache.ts

@@ -98,7 +98,7 @@ async function computeCacheKey(
       `No file in ${process.cwd()} matched to [${pattern}], make sure you have checked out the target repository`
     );
   }
-  return `${CACHE_KEY_PREFIX}-${process.env['RUNNER_OS']}-${packageManager.id}-${fileHash}`;
+  return `${CACHE_KEY_PREFIX}-${process.env['RUNNER_OS']}-${process.arch}-${packageManager.id}-${fileHash}`;
 }
 
 /**

src/distributions/distribution-factory.ts

@@ -11,6 +11,7 @@ import {CorrettoDistribution} from './corretto/installer';
 import {OracleDistribution} from './oracle/installer';
 import {DragonwellDistribution} from './dragonwell/installer';
 import {SapMachineDistribution} from './sapmachine/installer';
+import {GraalVMDistribution} from './graalvm/installer';
 
 enum JavaDistribution {
   Adopt = 'adopt',
@@ -25,7 +26,8 @@ enum JavaDistribution {
   Corretto = 'corretto',
   Oracle = 'oracle',
   Dragonwell = 'dragonwell',
-  SapMachine = 'sapmachine'
+  SapMachine = 'sapmachine',
+  GraalVM = 'graalvm'
 }
 
 export function getJavaDistribution(
@@ -68,6 +70,8 @@ export function getJavaDistribution(
       return new DragonwellDistribution(installerOptions);
     case JavaDistribution.SapMachine:
       return new SapMachineDistribution(installerOptions);
+    case JavaDistribution.GraalVM:
+      return new GraalVMDistribution(installerOptions);
     default:
       return null;
   }

src/distributions/graalvm/installer.ts

@@ -0,0 +1,173 @@
+import * as core from '@actions/core';
+import * as tc from '@actions/tool-cache';
+
+import fs from 'fs';
+import path from 'path';
+
+import {JavaBase} from '../base-installer';
+import {
+  JavaDownloadRelease,
+  JavaInstallerOptions,
+  JavaInstallerResults
+} from '../base-models';
+import {
+  extractJdkFile,
+  getDownloadArchiveExtension,
+  getGitHubHttpHeaders
+} from '../../util';
+import {HttpCodes} from '@actions/http-client';
+import {GraalVMEAVersion} from './models';
+
+const GRAALVM_DL_BASE = 'https://download.oracle.com/graalvm';
+const IS_WINDOWS = process.platform === 'win32';
+const GRAALVM_PLATFORM = IS_WINDOWS ? 'windows' : process.platform;
+
+export class GraalVMDistribution extends JavaBase {
+  constructor(installerOptions: JavaInstallerOptions) {
+    super('GraalVM', installerOptions);
+  }
+
+  protected async downloadTool(
+    javaRelease: JavaDownloadRelease
+  ): Promise<JavaInstallerResults> {
+    core.info(
+      `Downloading Java ${javaRelease.version} (${this.distribution}) from ${javaRelease.url} ...`
+    );
+    const javaArchivePath = await tc.downloadTool(javaRelease.url);
+
+    core.info(`Extracting Java archive...`);
+    const extension = getDownloadArchiveExtension();
+
+    const extractedJavaPath = await extractJdkFile(javaArchivePath, extension);
+
+    const archiveName = fs.readdirSync(extractedJavaPath)[0];
+    const archivePath = path.join(extractedJavaPath, archiveName);
+    const version = this.getToolcacheVersionName(javaRelease.version);
+
+    const javaPath = await tc.cacheDir(
+      archivePath,
+      this.toolcacheFolderName,
+      version,
+      this.architecture
+    );
+
+    return {version: javaRelease.version, path: javaPath};
+  }
+
+  protected async findPackageForDownload(
+    range: string
+  ): Promise<JavaDownloadRelease> {
+    const arch = this.distributionArchitecture();
+    if (arch !== 'x64' && arch !== 'aarch64') {
+      throw new Error(`Unsupported architecture: ${this.architecture}`);
+    }
+
+    if (!this.stable) {
+      return this.findEABuildDownloadUrl(`${range}-ea`);
+    }
+
+    if (this.packageType !== 'jdk') {
+      throw new Error('GraalVM provides only the `jdk` package type');
+    }
+
+    const platform = this.getPlatform();
+    const extension = getDownloadArchiveExtension();
+    let major;
+    let fileUrl;
+    if (range.includes('.')) {
+      major = range.split('.')[0];
+      fileUrl = `${GRAALVM_DL_BASE}/${major}/archive/graalvm-jdk-${range}_${platform}-${arch}_bin.${extension}`;
+    } else {
+      major = range;
+      fileUrl = `${GRAALVM_DL_BASE}/${range}/latest/graalvm-jdk-${range}_${platform}-${arch}_bin.${extension}`;
+    }
+
+    if (parseInt(major) < 17) {
+      throw new Error('GraalVM is only supported for JDK 17 and later');
+    }
+
+    const response = await this.http.head(fileUrl);
+
+    if (response.message.statusCode === HttpCodes.NotFound) {
+      throw new Error(`Could not find GraalVM for SemVer ${range}`);
+    }
+
+    if (response.message.statusCode !== HttpCodes.OK) {
+      throw new Error(
+        `Http request for GraalVM failed with status code: ${response.message.statusCode}`
+      );
+    }
+
+    return {url: fileUrl, version: range};
+  }
+
+  private async findEABuildDownloadUrl(
+    javaEaVersion: string
+  ): Promise<JavaDownloadRelease> {
+    const versions = await this.fetchEAJson(javaEaVersion);
+    const latestVersion = versions.find(v => v.latest);
+    if (!latestVersion) {
+      throw new Error(`Unable to find latest version for '${javaEaVersion}'`);
+    }
+    const arch = this.distributionArchitecture();
+    const file = latestVersion.files.find(
+      f => f.arch === arch && f.platform === GRAALVM_PLATFORM
+    );
+    if (!file || !file.filename.startsWith('graalvm-jdk-')) {
+      throw new Error(`Unable to find file metadata for '${javaEaVersion}'`);
+    }
+    return {
+      url: `${latestVersion.download_base_url}${file.filename}`,
+      version: latestVersion.version
+    };
+  }
+
+  private async fetchEAJson(
+    javaEaVersion: string
+  ): Promise<GraalVMEAVersion[]> {
+    const owner = 'graalvm';
+    const repository = 'oracle-graalvm-ea-builds';
+    const branch = 'main';
+    const filePath = `versions/${javaEaVersion}.json`;
+
+    const url = `https://api.github.com/repos/${owner}/${repository}/contents/${filePath}?ref=${branch}`;
+
+    const headers = getGitHubHttpHeaders();
+
+    core.debug(
+      `Trying to fetch available version info for GraalVM EA builds from '${url}'`
+    );
+    let fetchedJson;
+    try {
+      fetchedJson = (await this.http.getJson<GraalVMEAVersion[]>(url, headers))
+        .result;
+    } catch (err) {
+      throw Error(
+        `Fetching version info for GraalVM EA builds from '${url}' failed with the error: ${
+          (err as Error).message
+        }`
+      );
+    }
+    if (fetchedJson === null) {
+      throw Error(
+        `No GraalVM EA build found. Are you sure java-version: '${javaEaVersion}' is correct?`
+      );
+    }
+    return fetchedJson;
+  }
+
+  public getPlatform(platform: NodeJS.Platform = process.platform): OsVersions {
+    switch (platform) {
+      case 'darwin':
+        return 'macos';
+      case 'win32':
+        return 'windows';
+      case 'linux':
+        return 'linux';
+      default:
+        throw new Error(
+          `Platform '${platform}' is not supported. Supported platforms: 'linux', 'macos', 'windows'`
+        );
+    }
+  }
+}

src/distributions/graalvm/models.ts

@@ -0,0 +1,14 @@
+export type OsVersions = 'linux' | 'macos' | 'windows';
+
+export interface GraalVMEAFile {
+  filename: string;
+  arch: 'aarch64' | 'x64';
+  platform: 'darwin' | 'linux' | 'windows';
+}
+
+export interface GraalVMEAVersion {
+  version: string;
+  latest?: boolean;
+  download_base_url: string;
+  files: GraalVMEAFile[];
+}

src/toolchains.ts

@@ -84,47 +84,59 @@ export function generateToolchainDefinition(
   id: string,
   jdkHome: string
 ) {
-  let xmlObj;
-  if (original?.length) {
-    xmlObj = xmlCreate(original)
-      .root()
-      .ele({
-        toolchain: {
-          type: 'jdk',
-          provides: {
-            version: `${version}`,
-            vendor: `${vendor}`,
-            id: `${id}`
-          },
-          configuration: {
-            jdkHome: `${jdkHome}`
-          }
-        }
-      });
-  } else
-    xmlObj = xmlCreate({
-      toolchains: {
-        '@xmlns': 'http://maven.apache.org/TOOLCHAINS/1.1.0',
-        '@xmlns:xsi': 'http://www.w3.org/2001/XMLSchema-instance',
-        '@xsi:schemaLocation':
-          'http://maven.apache.org/TOOLCHAINS/1.1.0 https://maven.apache.org/xsd/toolchains-1.1.0.xsd',
-        toolchain: [
-          {
-            type: 'jdk',
-            provides: {
-              version: `${version}`,
-              vendor: `${vendor}`,
-              id: `${id}`
-            },
-            configuration: {
-              jdkHome: `${jdkHome}`
-            }
-          }
-        ]
+  let jsToolchains: Toolchain[] = [
+    {
+      type: 'jdk',
+      provides: {
+        version: `${version}`,
+        vendor: `${vendor}`,
+        id: `${id}`
+      },
+      configuration: {
+        jdkHome: `${jdkHome}`
       }
-    });
+    }
+  ];
+  if (original?.length) {
+    // convert existing toolchains into TS native objects for better handling
+    // xmlbuilder2 will convert the document into a `{toolchains: { toolchain: [] | {} }}` structure
+    // instead of the desired `toolchains: [{}]` one or simply `[{}]`
+    const jsObj = xmlCreate(original)
+      .root()
+      .toObject() as unknown as ExtractedToolchains;
+    if (jsObj.toolchains && jsObj.toolchains.toolchain) {
+      // in case only a single child exists xmlbuilder2 will not create an array and using verbose = true equally doesn't work here
+      // See https://oozcitak.github.io/xmlbuilder2/serialization.html#js-object-and-map-serializers for details
+      if (Array.isArray(jsObj.toolchains.toolchain)) {
+        jsToolchains.push(...jsObj.toolchains.toolchain);
+      } else {
+        jsToolchains.push(jsObj.toolchains.toolchain);
+      }
+    }
 
-  return xmlObj.end({
+    // remove potential duplicates based on type & id (which should be a unique combination);
+    // self.findIndex will only return the first occurrence, ensuring duplicates are skipped
+    jsToolchains = jsToolchains.filter(
+      (value, index, self) =>
+        // ensure non-jdk toolchains are kept in the results, we must not touch them because they belong to the user
+        value.type !== 'jdk' ||
+        index ===
+          self.findIndex(
+            t => t.type === value.type && t.provides.id === value.provides.id
+          )
+    );
+  }
+
+  // TODO: technically bad because we shouldn't re-create the toolchains root node (with possibly different schema values) if it already exists, however, just overriding the toolchain array with xmlbuilder2 is … uh non-trivial
+  return xmlCreate({
+    toolchains: {
+      '@xmlns': 'http://maven.apache.org/TOOLCHAINS/1.1.0',
+      '@xmlns:xsi': 'http://www.w3.org/2001/XMLSchema-instance',
+      '@xsi:schemaLocation':
+        'http://maven.apache.org/TOOLCHAINS/1.1.0 https://maven.apache.org/xsd/toolchains-1.1.0.xsd',
+      toolchain: jsToolchains
+    }
+  }).end({
     format: 'xml',
     wellFormed: false,
     headless: false,
@@ -167,3 +179,22 @@ async function writeToolchainsFileToDisk(
     flag: 'w'
   });
 }
+
+interface ExtractedToolchains {
+  toolchains: {
+    toolchain: Toolchain[] | Toolchain;
+  };
+}
+
+// Toolchain type definition according to Maven Toolchains XSD 1.1.0
+interface Toolchain {
+  type: string;
+  provides:
+    | {
+        version: string;
+        vendor: string;
+        id: string;
+      }
+    | any;
+  configuration: any;
+}