| /** |
| * Licensed 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.pulsar.manager.controller.exception; |
| |
| import com.fasterxml.jackson.core.JsonGenerator; |
| import com.fasterxml.jackson.core.JsonProcessingException; |
| import com.fasterxml.jackson.databind.JsonSerializer; |
| import com.fasterxml.jackson.databind.SerializerProvider; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| public class ErrorResourceSerializer extends JsonSerializer<ErrorResource> { |
| @Override |
| public void serialize(ErrorResource value, JsonGenerator gen, SerializerProvider serializers) throws IOException, JsonProcessingException { |
| Map<String, List<String>> json = new HashMap<>(); |
| gen.writeStartObject(); |
| gen.writeObjectFieldStart("errors"); |
| for (FieldErrorResource fieldErrorResource : value.getFieldErrors()) { |
| if (!json.containsKey(fieldErrorResource.getField())) { |
| json.put(fieldErrorResource.getField(), new ArrayList<String>()); |
| } |
| json.get(fieldErrorResource.getField()).add(fieldErrorResource.getMessage()); |
| } |
| for (Map.Entry<String, List<String>> pair : json.entrySet()) { |
| gen.writeArrayFieldStart(pair.getKey()); |
| pair.getValue().forEach(content -> { |
| try { |
| gen.writeString(content); |
| } catch (IOException e) { |
| e.printStackTrace(); |
| } |
| }); |
| gen.writeEndArray(); |
| } |
| gen.writeEndObject(); |
| gen.writeEndObject(); |
| } |
| } |
| |