import java.io.File;

public class JavaHome {
    private Integer version;
    private Provider<File> javaHome;

    private JavaHome(int version, Provider<File> javaHome) {
        this.version = version;
        this.javaHome = javaHome;
    }

    public static JavaHome of(int version, Provider<File> javaHome) {
        return new JavaHome(version, javaHome);
    }

    public Integer getVersion() {

import org.elasticsearch.gradle.internal.info.JavaHome;
import org.gradle.api.GradleException;

import java.util.List;
import java.util.Optional;

public class JavaUtil {

    /** A convenience method for getting java home for a version of java and requiring that version for the given task to execute */
    public static String getJavaHome(final int version) {
        List<JavaHome> javaHomes = BuildParams.getJavaVersions();

            .orElseThrow(() -> new GradleException("Could not locate available Java installation in Gradle registry at: " + javaHome));
    }

    private boolean isSameFile(File javaHome, InstallationLocation installationLocation) {
        try {
            return Files.isSameFile(installationLocation.getLocation().toPath(), javaHome.toPath());
        } catch (IOException ioException) {
            throw new UncheckedIOException(ioException);

        super(model, logger);
    }

    @Override
    public String getJavaHome() {
        return super.getJavaHome();
    }

    @Override
    public void setJavaHome(String javaHome) {
        super.setJavaHome(javaHome);
    }

        Xpp3Dom javahome = dom != null ? dom.getChild(JavaToolchainImpl.KEY_JAVAHOME) : null;
        if (javahome == null) {
            throw new MisconfiguredToolchainException(
                    "Java toolchain without the " + JavaToolchainImpl.KEY_JAVAHOME + " configuration element.");
        }
        Path normal = Paths.get(javahome.getValue()).normalize();
        if (Files.exists(normal)) {

            param("env.JAVA_HOME", javaHome(BuildToolBuildJvm, Os.LINUX))
            // https://github.com/gradle/gradle-private/issues/4504
            param("env.JDK8", javaHome(OpenJdk8, Os.LINUX))
            param("env.JDK11", javaHome(OpenJdk11, Os.LINUX))
            param("env.JDK17", javaHome(OpenJdk17, Os.LINUX))

import static java.util.Objects.requireNonNull;

public class BuildParams {
    private static File runtimeJavaHome;
    private static Boolean isRuntimeJavaHomeSet;
    private static List<JavaHome> javaVersions;
    private static JavaVersion minimumCompilerVersion;
    private static JavaVersion minimumRuntimeVersion;
    private static JavaVersion gradleJavaVersion;
    private static JavaVersion runtimeJavaVersion;

    private String javaHome;

    public static final String KEY_JAVAHOME = "jdkHome"; // NOI18N

    JavaToolchainImpl(ToolchainModel model, Logger logger) {
        super(model, "jdk", logger);
    }

    public String getJavaHome() {
        return javaHome;
    }

    public void setJavaHome(String javaHome) {
        this.javaHome = javaHome;
    }

    @Override

    vcs.useAbsoluteVcs(VersionedSettingsBranch.fromDslContext().vcsRootId())

    requirements {
        requiresOs(Os.LINUX)
    }

    params {
        param("env.JAVA_HOME", javaHome(BuildToolBuildJvm, Os.LINUX))
        param("env.GRADLE_PUBLISH_KEY", "%plugin.portal.publish.key%")
        param("env.GRADLE_PUBLISH_SECRET", "%plugin.portal.publish.secret%")

      if $darwin ; then
        javaHome="`dirname \"$javaExecutable\"`"
        javaExecutable="`cd \"$javaHome\" && pwd -P`/javac"
      else
        javaExecutable="`readlink -f \"$javaExecutable\"`"
      fi
      javaHome="`dirname \"$javaExecutable\"`"
      javaHome=`expr "$javaHome" : '\(.*\)/bin'`
      JAVA_HOME="$javaHome"
      export JAVA_HOME
    fi
  fi
fi