| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.bval.jsr.metadata; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| import javax.validation.ValidationException; |
| |
| import org.apache.bval.jsr.util.Methods; |
| import org.apache.bval.util.Exceptions; |
| import org.apache.bval.util.Validate; |
| |
| public class MetadataBuilders { |
| |
| private final Map<Class<?>, List<MetadataBuilder.ForBean<?>>> beanBuilders = new ConcurrentHashMap<>(); |
| |
| public <T> void registerCustomBuilder(Class<T> bean, MetadataBuilder.ForBean<T> builder) { |
| Validate.notNull(bean, "bean"); |
| Validate.notNull(builder, "builder"); |
| validateCustomBuilder(bean, builder); |
| beanBuilders.computeIfAbsent(bean, c -> new ArrayList<>()).add(builder); |
| } |
| |
| public <T> List<MetadataBuilder.ForBean<T>> getCustomBuilders(Class<T> bean) { |
| @SuppressWarnings({ "unchecked", "rawtypes" }) |
| final List<MetadataBuilder.ForBean<T>> list = (List) beanBuilders.get(bean); |
| return list == null ? Collections.emptyList() : Collections.unmodifiableList(list); |
| } |
| |
| public Set<Class<?>> getCustomizedTypes() { |
| return beanBuilders.keySet(); |
| } |
| |
| private <T> void validateCustomBuilder(Class<T> bean, MetadataBuilder.ForBean<T> builder) { |
| final Meta<Class<T>> meta = new Meta.ForClass<>(bean); |
| final Set<String> propertyNames = builder.getGetters(meta).keySet(); |
| builder.getMethods(meta).keySet().stream().map(Signature::getName).filter(Methods::isGetter) |
| .map(Methods::propertyName).forEach(pn -> { |
| Exceptions.raiseIf(propertyNames.contains(pn), ValidationException::new, |
| "%s user metadata cannot specify both method and getter elements for %s", f -> f.args(bean, pn)); |
| }); |
| } |
| } |