org.gosulang.gradle.tasks.Util Maven / Gradle / Ivy

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Gosu language compiler for Gradle. Built with Gradle 5.1.1. This has also been tested extensively with Gradle version(s): 5.1.1 ** Gradle versions below 2.12 are no longer supported ** Projects applying this plugin require a compile-time dependency on the gosu-core-api library. This version requires Gosu 1.13.9 or greater, or 1.14.2 or greater. Please include this in the depencencies closure: dependencies { compile group: 'org.gosu-lang.gosu', name: 'gosu-core-api', version: '1.14.12' }

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package org.gosulang.gradle.tasks;

import java.io.File;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;

public class Util {

    private Util() {}

    /**
     * Takes the place of {@link org.gradle.internal.jvm.Jvm#findToolsJar(File)}
     * @return the location of tools.jar
     */
    public static File findToolsJar() {
        Path javaHome = Paths.get(System.getProperty("java.home"));
        Path toolsJar = javaHome.resolve("lib").resolve("tools.jar");

        if(!Files.isRegularFile(toolsJar) && javaHome.toFile().getName().equalsIgnoreCase("jre")) {
            javaHome = javaHome.getParent();
            toolsJar = javaHome.resolve("lib").resolve("tools.jar");
        } else {
            throw new IllegalStateException("Could not find tools.jar");
        }
        return toolsJar.toFile();
    }
}