boolean validate()

in juneau-core/juneau-marshall/src/main/java/org/apache/juneau/BeanPropertyMeta.java [171:310]
120 lines of code
60 McCabe index (conditional complexity)

		boolean validate(BeanContext bc, BeanRegistry parentBeanRegistry, Map<Class<?>,Class<?>[]> typeVarImpls, Set<String> bpro, Set<String> bpwo) throws Exception {

			List<Class<?>> bdClasses = list();

			if (field == null && getter == null && setter == null)
				return false;

			if (field == null && setter == null && bc.isBeansRequireSettersForGetters() && ! isConstructorArg)
				return false;

			canRead |= (field != null || getter != null);
			canWrite |= (field != null || setter != null);

			if (innerField != null) {
				List<Beanp> lp = list();
				bc.forEachAnnotation(Beanp.class, innerField, x -> true, x -> lp.add(x));
				if (field != null || lp.size() > 0) {
					// Only use field type if it's a bean property or has @Beanp annotation.
					// Otherwise, we want to infer the type from the getter or setter.
					rawTypeMeta = bc.resolveClassMeta(last(lp), innerField.getGenericType(), typeVarImpls);
					isUri |= (rawTypeMeta.isUri());
				}
				lp.forEach(x -> {
					if (! x.properties().isEmpty())
						properties = split(x.properties());
					addAll(bdClasses, x.dictionary());
					if (! x.ro().isEmpty())
						readOnly = Boolean.valueOf(x.ro());
					if (! x.wo().isEmpty())
						writeOnly = Boolean.valueOf(x.wo());
				});
				bc.forEachAnnotation(Swap.class, innerField, x -> true, x -> swap = getPropertySwap(x));
				isUri |= bc.firstAnnotation(Uri.class, innerField, x->true) != null;
			}

			if (getter != null) {
				List<Beanp> lp = list();
				bc.forEachAnnotation(Beanp.class, getter, x -> true, x -> lp.add(x));
				if (rawTypeMeta == null)
					rawTypeMeta = bc.resolveClassMeta(last(lp), getter.getGenericReturnType(), typeVarImpls);
				isUri |= (rawTypeMeta.isUri() || bc.hasAnnotation(Uri.class, getter));
				lp.forEach(x -> {
					if (properties != null && ! x.properties().isEmpty())
						properties = split(x.properties());
					addAll(bdClasses, x.dictionary());
					if (! x.ro().isEmpty())
						readOnly = Boolean.valueOf(x.ro());
					if (! x.wo().isEmpty())
						writeOnly = Boolean.valueOf(x.wo());
				});
				bc.forEachAnnotation(Swap.class, getter, x -> true, x -> swap = getPropertySwap(x));
			}

			if (setter != null) {
				List<Beanp> lp = list();
				bc.forEachAnnotation(Beanp.class, setter, x -> true, x -> lp.add(x));
				if (rawTypeMeta == null)
					rawTypeMeta = bc.resolveClassMeta(last(lp), setter.getGenericParameterTypes()[0], typeVarImpls);
				isUri |= (rawTypeMeta.isUri() || bc.hasAnnotation(Uri.class, setter));
				lp.forEach(x -> {
					if (swap == null)
						swap = getPropertySwap(x);
					if (properties != null && ! x.properties().isEmpty())
						properties = split(x.properties());
					addAll(bdClasses, x.dictionary());
					if (! x.ro().isEmpty())
						readOnly = Boolean.valueOf(x.ro());
					if (! x.wo().isEmpty())
						writeOnly = Boolean.valueOf(x.wo());
				});
				bc.forEachAnnotation(Swap.class, setter, x -> true, x -> swap = getPropertySwap(x));
			}

			if (rawTypeMeta == null)
				return false;

			this.beanRegistry = new BeanRegistry(beanContext, parentBeanRegistry, bdClasses.toArray(new Class<?>[0]));

			isDyna = "*".equals(name);

			// Do some annotation validation.
			ClassInfo ci = rawTypeMeta.getInfo();
			if (getter != null) {
				Class<?>[] pt = getter.getParameterTypes();
				if (isDyna) {
					if (ci.isChildOf(Map.class) && pt.length == 0) {
						isDynaGetterMap = true;
					} else if (pt.length == 1 && pt[0] == String.class) {
						// OK.
					} else {
						return false;
					}
				} else {
					if (! ci.isChildOf(getter.getReturnType()))
						return false;
				}
			}
			if (setter != null) {
				Class<?>[] pt = setter.getParameterTypes();
				if (isDyna) {
					if (pt.length == 2 && pt[0] == String.class) {
						// OK.
					} else {
						return false;
					}
				} else {
					if (pt.length != 1 || ! ci.isChildOf(pt[0]))
						return false;
				}
			}
			if (field != null) {
				if (isDyna) {
					if (! ClassInfo.of(field.getType()).isChildOf(Map.class))
						return false;
				} else {
					if (! ci.isChildOf(field.getType()))
						return false;
				}
			}

			if (isDyna) {
				rawTypeMeta = rawTypeMeta.getValueType();
				if (rawTypeMeta == null)
					rawTypeMeta = beanContext.object();
			}
			if (rawTypeMeta == null)
				return false;

			if (typeMeta == null)
				typeMeta = (swap != null ? beanContext.getClassMeta(swap.getSwapClass().innerType()) : rawTypeMeta == null ? beanContext.object() : rawTypeMeta);
			if (typeMeta == null)
				typeMeta = rawTypeMeta;

			if (bpro.contains(name) || bpro.contains("*"))
				readOnly = true;
			if (bpwo.contains(name) || bpwo.contains("*"))
				writeOnly = true;

			return true;
		}