枚举类list序列化与反序列化

`package com.byd.plm.authority.auth.dto.jsonSerializer;

import com.byd.plm.authority.auth.dto.enums.AuthTypeEnum;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;

import java.io.IOException;
import java.util.List;

/**

• @description:
• @Author: fu.yao2
• @Date: 2022/12/6 09:26
• @throws:
  **/
  public class AuthTypeEnumListJsonSerializer extends JsonSerializer<List> {
  @Override
  public void serialize(List list, JsonGenerator jsonGenerator, SerializerProvider serializerProvider) throws IOException {
  int[] integers = new int[list.size()];
  for (int i = 0; i < list.size(); i++) {
  integers[i] = list.get(i).getCode();
  }
  jsonGenerator.writeArray(integers, 0, integers.length);
  }
  }

package com.byd.plm.authority.auth.dto.jsonDeserializer;

import com.byd.plm.authority.auth.dto.enums.AuthTypeEnum;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.node.ArrayNode;

import java.io.IOException;
import java.lang.reflect.Field;
import java.lang.reflect.ParameterizedType;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

/**

• @description:

• @Author: fu.yao2

• @Date: 2022/11/11 15:20

• @throws:
  **/
  public class AuthTypeListEnumJsonDeserializer extends JsonDeserializer<List> {
  @Override
  public List deserialize(JsonParser jsonParser, DeserializationContext deserializationContext) throws IOException, JsonProcessingException, IllegalArgumentException {
  ArrayNode treeNode = jsonParser.readValueAsTree();
  Field field;
  try {
  field = jsonParser.getCurrentValue().getClass().getDeclaredField(jsonParser.currentName());
  } catch (NoSuchFieldException e) {
  return null;
  }
  field.setAccessible(true);
  if (!field.getType().equals(List.class)) {
  return null;
  }

   List<AuthTypeEnum> result = new ArrayList<>();
   Iterator<JsonNode> elements = treeNode.elements();
   while (elements.hasNext()) {
       Integer appCase = elements.next().asInt();
       AuthTypeEnum anEnum = AuthTypeEnum.codeFrom(appCase);
       result.add(anEnum);
   }
   if (result.isEmpty()) {
       return null;
   } else {
       return result;
   }
  

  }
  }

`