Source/BladeX-Tool/blade-core-tool/src/main/java/org/springblade/core/tool/config/JacksonConfiguration.java

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/*
 *      Copyright (c) 2018-2028, Chill Zhuang All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 *
 *  Redistributions of source code must retain the above copyright notice,
 *  this list of conditions and the following disclaimer.
 *  Redistributions in binary form must reproduce the above copyright
 *  notice, this list of conditions and the following disclaimer in the
 *  documentation and/or other materials provided with the distribution.
 *  Neither the name of the dreamlu.net developer nor the names of its
 *  contributors may be used to endorse or promote products derived from
 *  this software without specific prior written permission.
 *  Author: Chill åº„骞 (smallchill@163.com)
 */
package org.springblade.core.tool.config;

import com.fasterxml.jackson.core.json.JsonReadFeature;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.MapperFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
import org.springblade.core.tool.jackson.BladeJacksonProperties;
import org.springblade.core.tool.jackson.BladeJavaTimeModule;
import org.springblade.core.tool.utils.DateUtil;
import org.springframework.boot.autoconfigure.AutoConfiguration;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.http.converter.json.Jackson2ObjectMapperBuilder;

import java.text.SimpleDateFormat;
import java.time.ZoneId;
import java.util.Locale;
import java.util.TimeZone;

/**
 * Jackson配置类
 *
 * @author Chill
 */
@AutoConfiguration(before = JacksonAutoConfiguration.class)
@ConditionalOnClass(ObjectMapper.class)
@EnableConfigurationProperties(BladeJacksonProperties.class)
public class JacksonConfiguration {

   @Bean
   @ConditionalOnMissingBean
   public ObjectMapper objectMapper(Jackson2ObjectMapperBuilder builder) {
      builder.simpleDateFormat(DateUtil.PATTERN_DATETIME);
      //创建ObjectMapper
      ObjectMapper objectMapper = builder.createXmlMapper(false).build();
      //设置地点为中国
      objectMapper.setLocale(Locale.CHINA);
      //去掉默认的时间戳格式
      objectMapper.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false);
      //设置为中国上海时区
      objectMapper.setTimeZone(TimeZone.getTimeZone(ZoneId.systemDefault()));
      //序列化时，日期的统一格式
      objectMapper.setDateFormat(new SimpleDateFormat(DateUtil.PATTERN_DATETIME, Locale.CHINA));
      //序列化处理
      objectMapper.configure(JsonReadFeature.ALLOW_UNESCAPED_CONTROL_CHARS.mappedFeature(), true);
      objectMapper.configure(JsonReadFeature.ALLOW_BACKSLASH_ESCAPING_ANY_CHARACTER.mappedFeature(), true);
      //失败处理
      objectMapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
      objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
      //单引号处理
      objectMapper.configure(JsonReadFeature.ALLOW_SINGLE_QUOTES.mappedFeature(), true);
      //反序列化时，属性不存在的兼容处理
      objectMapper.getDeserializationConfig().withoutFeatures(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
      //日期格式化
      objectMapper.configure(MapperFeature.IGNORE_DUPLICATE_MODULE_REGISTRATIONS, false);
      objectMapper.registerModule(BladeJavaTimeModule.INSTANCE);
      objectMapper.configure(MapperFeature.IGNORE_DUPLICATE_MODULE_REGISTRATIONS, true);
      objectMapper.findAndRegisterModules();
      return objectMapper;
   }

}