Class Java8

src/main/java/org/codehaus/groovy/vmplugin/v8/Java8.java:78–674

Java 8 based functions. @since 2.5.0 @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)
public class Java8 implements VMPlugin {

    private static final Method[] EMPTY_METHOD_ARRAY = new Method[0];
    private static final Annotation[] EMPTY_ANNOTATION_ARRAY = new Annotation[0];


    /**
     * Configures a type-variable definition node from its bounds.
     *
     * @param base the placeholder class node
     * @param bounds the upper bounds of the type variable
     * @return the configured generics type
     */
    public static GenericsType configureTypeVariableDefinition(final ClassNode base, final ClassNode[] bounds) {
        ClassNode redirect = base.redirect();
        base.setRedirect(null);
        GenericsType gt;
        if (bounds == null || bounds.length == 0) {
            gt = new GenericsType(base);
        } else {
            // GROOVY-10756: fix erasure -- ResolveVisitor#resolveGenericsHeader
            if (!ClassHelper.isObjectType(bounds[0])) redirect = bounds[0];
            gt = new GenericsType(base, bounds, null);
            gt.setName(base.getName());
            gt.setPlaceholder(true);
        }
        base.setRedirect(redirect);
        return gt;
    }

    /**
     * Creates a placeholder class node that references a type variable by name.
     *
     * @param name the type-variable name
     * @return the placeholder class node
     */
    public static ClassNode configureTypeVariableReference(final String name) {
        ClassNode cn = ClassHelper.makeWithoutCaching(name);
        cn.setGenericsPlaceHolder(true);
        ClassNode cn2 = ClassHelper.makeWithoutCaching(name);
        cn2.setGenericsPlaceHolder(true);

        cn.setGenericsTypes(new GenericsType[]{new GenericsType(cn2)});
        cn.setRedirect(ClassHelper.OBJECT_TYPE);
        return cn;
    }

    private static ClassNode configureClass(final Class<?> c) {
        if (c.isPrimitive()) {
            return ClassHelper.make(c);
        } else {
            return ClassHelper.makeWithoutCaching(c, false);
        }
    }

    //--------------------------------------------------------------------------