| /* |
| * 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.solr.util; |
| |
| import com.fasterxml.jackson.core.Version; |
| import com.fasterxml.jackson.databind.AnnotationIntrospector; |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.fasterxml.jackson.databind.PropertyName; |
| import com.fasterxml.jackson.databind.introspect.Annotated; |
| import com.fasterxml.jackson.databind.introspect.AnnotatedField; |
| import com.fasterxml.jackson.databind.introspect.AnnotatedMember; |
| import com.fasterxml.jackson.databind.introspect.AnnotatedMethod; |
| import com.fasterxml.jackson.databind.util.BeanUtil; |
| import org.apache.solr.common.annotation.JsonProperty; |
| |
| /**this class provides a mapping between Solr's {@link JsonProperty} annotation to a corresponding annotation |
| * in jackson |
| see SOLR-13841 for more details |
| * <blockquote><pre> |
| ObjectMapper mapper = new ObjectMapper(); |
| mapper.setAnnotationIntrospector(new SolrJacksonAnnotationInspector()); |
| * </pre></blockquote> |
| **/ |
| public class SolrJacksonAnnotationInspector extends AnnotationIntrospector { |
| public static final SolrJacksonAnnotationInspector INSTANCE = new SolrJacksonAnnotationInspector(); |
| |
| @Override |
| public Version version() { |
| return Version.unknownVersion(); |
| } |
| |
| @Override |
| public PropertyName findNameForSerialization(Annotated a) { |
| if (a instanceof AnnotatedMethod) { |
| AnnotatedMethod am = (AnnotatedMethod) a; |
| JsonProperty prop = am.getAnnotation(JsonProperty.class); |
| if (prop == null) return null; |
| if (prop.value().isEmpty()) { |
| return new PropertyName(BeanUtil.okNameForGetter(am, true)); |
| } else { |
| return new PropertyName(prop.value()); |
| } |
| |
| } |
| if (a instanceof AnnotatedField) { |
| AnnotatedField af = (AnnotatedField) a; |
| JsonProperty prop = af.getAnnotation(JsonProperty.class); |
| if (prop == null) return null; |
| return prop.value().isEmpty() ? |
| new PropertyName(af.getName()) : |
| new PropertyName(prop.value()); |
| } |
| return null; |
| } |
| |
| @Override |
| public Boolean hasRequiredMarker(AnnotatedMember m) { |
| JsonProperty prop = m.getAnnotation(JsonProperty.class); |
| if (prop == null) return Boolean.FALSE; |
| return prop.required(); |
| } |
| |
| @Override |
| public String findPropertyDefaultValue(Annotated m) { |
| JsonProperty prop = m.getAnnotation(JsonProperty.class); |
| if (prop == null) return ""; |
| return prop.defaultValue(); |
| } |
| |
| @Override |
| public PropertyName findNameForDeserialization(Annotated a) { |
| return findNameForSerialization(a); |
| } |
| |
| public static ObjectMapper createObjectMapper(){ |
| ObjectMapper mapper = new ObjectMapper(); |
| mapper.setAnnotationIntrospector(INSTANCE); |
| return mapper; |
| } |
| } |