lang/invoke/AbstractValidatingLambdaMetafactory.java

324      * @param toType Type to convert to
326      * @return True if 'fromType' can be passed to an argument of 'toType'
328     private boolean isAdaptableTo(Class<?> fromType, Class<?> toType, boolean strict) {
329         if (fromType.equals(toType)) {
334             if (toType.isPrimitive()) {
336                 Wrapper wto = forPrimitiveType(toType);
340                 return toType.isAssignableFrom(wfrom.wrapperType());
343             if (toType.isPrimitive()) {
348                     Wrapper wto = forPrimitiveType(toType);
355                 // both are reference types: fromType should be a superclass of toType.
356                 return !strict || toType.isAssignableFrom(fromType);
364      * @return True if 'fromType' can be converted to 'toType'
366     private boolean isAdaptableToAsReturn(Class<?> fromType, Class<?> toType) {
367         return toType.equals(void.class)
368                || !fromType.equals(void.class) && isAdaptableTo(fromType, toType, false);
370     private boolean isAdaptableToAsReturnStrict(Class<?> fromType, Class<?> toType) {
371         if (fromType.equals(void.class) || toType.equals(void.class)) return fromType.equals(toType);
372         else return isAdaptableTo(fromType, toType, true);