@oracle/suitecloud-cli/src/services/EnvironmentInformationService.js

SuiteCloud CLI for Node.js

/*
 ** Copyright (c) 2024 Oracle and/or its affiliates.  All rights reserved.
 ** Licensed under the Universal Permissive License v 1.0 as shown at https://oss.oracle.com/licenses/upl.
 */

'use strict';
const spawn = require('child_process').spawnSync;
const { SDK_COMPATIBLE_JAVA_VERSIONS } = require('../ApplicationConstants');

module.exports = class EnvironmentInformationService {
	isInstalledJavaVersionValid() {
		const installedJavaVersion = this.getInstalledJavaVersionString();
		if (installedJavaVersion) {
			for (const compatibleJavaVersion of SDK_COMPATIBLE_JAVA_VERSIONS) {
				if (installedJavaVersion.startsWith(compatibleJavaVersion)) return true;
			}
			return false;
		}
		// in case there is no java installed or not available from path
		return false;
	}

	getInstalledJavaVersionString() {
		const childProcess = spawn('java', ['-version'], { shell: true });
		const javaVersionOutput = childProcess.stderr.toString();
		// The output should be similar to: java version "17.0.4" 2022-07-19 LTS
		// It's expected to have the version surrounded by double quotes and only contain numbers and dots
		const regex = /(?:\bjava version\b|\bopenjdk version\b) "([\d.]+)"/;
		const matchResult = javaVersionOutput.match(regex);
		return matchResult ? matchResult[1] : '';
	}
};