| /* |
| * 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.servicecomb.foundation.protobuf.internal.bean; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.apache.servicecomb.foundation.common.utils.LambdaMetafactoryUtils; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.fasterxml.jackson.databind.BeanDescription; |
| import com.fasterxml.jackson.databind.JavaType; |
| import com.fasterxml.jackson.databind.SerializationConfig; |
| import com.fasterxml.jackson.databind.introspect.BeanPropertyDefinition; |
| |
| public class BeanDescriptor { |
| private static final Logger LOGGER = LoggerFactory.getLogger(BeanDescriptor.class); |
| |
| private JavaType javaType; |
| |
| private final Map<String, PropertyDescriptor> propertyDescriptors = new HashMap<>(); |
| |
| public JavaType getJavaType() { |
| return javaType; |
| } |
| |
| public Map<String, PropertyDescriptor> getPropertyDescriptors() { |
| return propertyDescriptors; |
| } |
| |
| public void init(SerializationConfig serializationConfig, JavaType javaType) { |
| this.javaType = javaType; |
| |
| BeanDescription beanDescription = serializationConfig.introspect(javaType); |
| for (BeanPropertyDefinition propertyDefinition : beanDescription.findProperties()) { |
| PropertyDescriptor propertyDescriptor = new PropertyDescriptor(); |
| propertyDescriptor.setName(propertyDefinition.getName()); |
| propertyDescriptor.setJavaType(propertyDefinition.getPrimaryType()); |
| |
| try { |
| propertyDescriptor.setGetter(initGetter(propertyDefinition)); |
| } catch (Throwable e) { |
| LOGGER.error("failed to init getter for field {}:{}", javaType.getRawClass().getName(), |
| propertyDefinition.getName(), e); |
| } |
| |
| try { |
| propertyDescriptor.setSetter(initSetter(propertyDefinition)); |
| } catch (Throwable e) { |
| LOGGER.error("failed to init setter for field {}:{}", javaType.getRawClass().getName(), |
| propertyDefinition.getName(), e); |
| } |
| |
| propertyDescriptors.put(propertyDefinition.getName(), propertyDescriptor); |
| } |
| } |
| |
| @SuppressWarnings("unchecked") |
| public static <T> T initGetter(BeanPropertyDefinition propertyDefinition) { |
| if (propertyDefinition.hasGetter()) { |
| return LambdaMetafactoryUtils.createGetter(propertyDefinition.getGetter().getAnnotated()); |
| } |
| |
| if (propertyDefinition.hasField() && propertyDefinition.getField().isPublic()) { |
| return (T) LambdaMetafactoryUtils.createGetter(propertyDefinition.getField().getAnnotated()); |
| } |
| |
| return null; |
| } |
| |
| protected Object initSetter(BeanPropertyDefinition propertyDefinition) { |
| if (propertyDefinition.hasSetter()) { |
| return LambdaMetafactoryUtils.createSetter(propertyDefinition.getSetter().getAnnotated()); |
| } |
| |
| if (propertyDefinition.hasField() && propertyDefinition.getField().isPublic()) { |
| return LambdaMetafactoryUtils.createSetter(propertyDefinition.getField().getAnnotated()); |
| } |
| |
| return null; |
| } |
| } |