Class Java9

src/main/java/org/codehaus/groovy/vmplugin/v9/Java9.java:59–1653

@deprecated Use org.codehaus.groovy.vmplugin.v17.Java17 instead. Groovy 6.0 requires JDK 17+.

 * @deprecated Use {@link org.codehaus.groovy.vmplugin.v17.Java17} instead. Groovy 6.0 requires JDK 17+.
 */
@Deprecated(since = "6.0.0", forRemoval = true)
@SuppressWarnings("removal")
public class Java9 extends Java8 {

    /** {@inheritDoc} */
    @Override
    public int getVersion() {
        return 9;
    }

    /** {@inheritDoc} */
    @Override
    public Class<?>[] getPluginDefaultGroovyMethods() {
        Class<?>[] answer = super.getPluginDefaultGroovyMethods();

        final int n = answer.length;
        answer = Arrays.copyOf(answer, n + 1);
        answer[n] = PluginDefaultGroovyMethods.class;

        return answer;
    }

    /** {@inheritDoc} */
    @Override
    public Map<String, Set<String>> getDefaultImportClasses(final String[] packageNames) {
        List<String> javaPackages = new ArrayList<>(4);
        List<String> groovyPackages = new ArrayList<>(4);
        for (String prefix : packageNames) {
            String pn = prefix.substring(0, prefix.length() - 1).replace('.', '/');
            if (pn.startsWith("java/")) {
                javaPackages.add(pn);
            } else if (pn.startsWith("groovy/")) {
                groovyPackages.add(pn);
            } else {
                throw new GroovyBugError("unexpected package: " + pn);
            }
        }

        Map<String, Set<String>> result = new LinkedHashMap<>(2048);
        try (GroovyClassLoader gcl = new GroovyClassLoader(this.getClass().getClassLoader())) {
            try {
                // groovy-core (Java source)
                URI gcjLocation = DefaultGroovyMethods.getLocation(gcl.loadClass("groovy.lang.GroovySystem")).toURI();
                result.putAll(doFindClasses(gcjLocation, "groovy", groovyPackages));

                // in production environment, groovy-core classes, e.g. `GroovySystem`(java class) and `ListenerLister`(groovy class) are all packaged in the groovy-core jar file,
                // but in Groovy development environment, groovy-core classes are distributed in different directories
                URI gcgLocation = DefaultGroovyMethods.getLocation(gcl.loadClass("groovy.beans.ListenerList")).toURI();
                if (!gcjLocation.equals(gcgLocation)) {
                    result.putAll(doFindClasses(gcgLocation, "groovy", groovyPackages));
                }
            } finally {
                result.putAll(doFindClasses(URI.create("jrt:/modules/java.base/"), "java", javaPackages));
            }
        } catch (Throwable ignore) {
            Logger logger = Logger.getLogger(getClass().getName());
            if (logger.isLoggable(Level.FINEST)) {
                logger.finest("[WARNING] Failed to find default imported classes:\n" + DefaultGroovyMethods.asString(ignore));