import java.util.function.Consumer;
import java.util.function.Function;

/**
 * Subset replacement for {@link javax.tools.ToolProvider} that avoids the application class loader.
 */
public class JdkTools {

    // Copied from ToolProvider.defaultJavaCompilerName
    private static final String DEFAULT_COMPILER_IMPL_NAME = "com.sun.tools.javac.api.JavacTool";

    @Override
    public ContextAwareJavaCompiler create() {
        JdkTools jdkTools = JavaHomeBasedJavaCompilerFactory.JDK_TOOLS.computeIfAbsent(compilerPluginsClasspath, JavaHomeBasedJavaCompilerFactory::createJdkTools);
        return jdkTools.getSystemJavaCompiler();
    }

    private static JdkTools createJdkTools(List<File> compilerPluginsClasspath) {
        return new JdkTools(compilerPluginsClasspath);
    }

package org.gradle.api.internal.tasks.compile


import spock.lang.Specification
import spock.lang.Subject

import javax.tools.JavaCompiler

class JdkToolsTest extends Specification {
    @Subject
    JdkTools current = new JdkTools([])

    def "can get java compiler"() {
        def compiler = current.systemJavaCompiler

        expect:
        compiler instanceof JavaCompiler

        "--add-exports=jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED", // Required by JdkTools and JdkJavaCompiler
        "--add-exports=jdk.compiler/com.sun.tools.javac.util=ALL-UNNAMED" // Required by JdkTools and JdkJavaCompiler
    ));

    public static final List<String> GRADLE_DAEMON_JPMS_ARGS;

    static {

 * it only depends on JDK types).
 *
 * It's accessed with reflection so move it with care to other packages.
 *
 * This class is therefore loaded (and tested) via reflection in org.gradle.api.internal.tasks.compile.JdkTools.
 */
@SuppressWarnings("unused")
public class IncrementalCompileTask implements JavaCompiler.CompilationTask {

    private final Function<File, Optional<String>> relativize;