/*
|
* 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 庄骞 (smallchill@163.com)
|
*/
|
package org.springblade.core.tool.jackson;
|
|
import com.fasterxml.jackson.core.JsonParser;
|
import com.fasterxml.jackson.core.JsonProcessingException;
|
import com.fasterxml.jackson.core.TreeNode;
|
import com.fasterxml.jackson.core.json.JsonReadFeature;
|
import com.fasterxml.jackson.core.type.TypeReference;
|
import com.fasterxml.jackson.databind.*;
|
import com.fasterxml.jackson.databind.type.CollectionLikeType;
|
import com.fasterxml.jackson.databind.type.MapType;
|
import lombok.extern.slf4j.Slf4j;
|
import org.springblade.core.tool.utils.*;
|
import org.springframework.lang.Nullable;
|
|
import java.io.IOException;
|
import java.io.InputStream;
|
import java.text.SimpleDateFormat;
|
import java.time.ZoneId;
|
import java.util.*;
|
|
/**
|
* Jackson工具类
|
*
|
* @author Chill
|
*/
|
@Slf4j
|
public class JsonUtil {
|
|
/**
|
* 将对象序列化成json字符串
|
*
|
* @param value javaBean
|
* @return jsonString json字符串
|
*/
|
public static <T> String toJson(T value) {
|
try {
|
return getInstance().writeValueAsString(value);
|
} catch (Exception e) {
|
log.error(e.getMessage(), e);
|
}
|
return null;
|
}
|
|
/**
|
* 将对象序列化成 json byte 数组
|
*
|
* @param object javaBean
|
* @return jsonString json字符串
|
*/
|
public static byte[] toJsonAsBytes(Object object) {
|
try {
|
return getInstance().writeValueAsBytes(object);
|
} catch (JsonProcessingException e) {
|
throw Exceptions.unchecked(e);
|
}
|
}
|
|
/**
|
* 将json反序列化成对象
|
*
|
* @param content content
|
* @param valueType class
|
* @param <T> T 泛型标记
|
* @return Bean
|
*/
|
public static <T> T parse(String content, Class<T> valueType) {
|
try {
|
return getInstance().readValue(content, valueType);
|
} catch (Exception e) {
|
log.error(e.getMessage(), e);
|
}
|
return null;
|
}
|
|
/**
|
* 将json反序列化成对象
|
*
|
* @param content content
|
* @param typeReference 泛型类型
|
* @param <T> T 泛型标记
|
* @return Bean
|
*/
|
public static <T> T parse(String content, TypeReference<T> typeReference) {
|
try {
|
return getInstance().readValue(content, typeReference);
|
} catch (IOException e) {
|
throw Exceptions.unchecked(e);
|
}
|
}
|
|
/**
|
* 将json byte 数组反序列化成对象
|
*
|
* @param bytes json bytes
|
* @param valueType class
|
* @param <T> T 泛型标记
|
* @return Bean
|
*/
|
public static <T> T parse(byte[] bytes, Class<T> valueType) {
|
try {
|
return getInstance().readValue(bytes, valueType);
|
} catch (IOException e) {
|
throw Exceptions.unchecked(e);
|
}
|
}
|
|
|
/**
|
* 将json反序列化成对象
|
*
|
* @param bytes bytes
|
* @param typeReference 泛型类型
|
* @param <T> T 泛型标记
|
* @return Bean
|
*/
|
public static <T> T parse(byte[] bytes, TypeReference<T> typeReference) {
|
try {
|
return getInstance().readValue(bytes, typeReference);
|
} catch (IOException e) {
|
throw Exceptions.unchecked(e);
|
}
|
}
|
|
/**
|
* 将json反序列化成对象
|
*
|
* @param in InputStream
|
* @param valueType class
|
* @param <T> T 泛型标记
|
* @return Bean
|
*/
|
public static <T> T parse(InputStream in, Class<T> valueType) {
|
try {
|
return getInstance().readValue(in, valueType);
|
} catch (IOException e) {
|
throw Exceptions.unchecked(e);
|
}
|
}
|
|
/**
|
* 将json反序列化成对象
|
*
|
* @param in InputStream
|
* @param typeReference 泛型类型
|
* @param <T> T 泛型标记
|
* @return Bean
|
*/
|
public static <T> T parse(InputStream in, TypeReference<T> typeReference) {
|
try {
|
return getInstance().readValue(in, typeReference);
|
} catch (IOException e) {
|
throw Exceptions.unchecked(e);
|
}
|
}
|
|
/**
|
* 将json反序列化成List对象
|
*
|
* @param content content
|
* @param valueTypeRef class
|
* @param <T> T 泛型标记
|
* @return List<T>
|
*/
|
public static <T> List<T> parseArray(String content, Class<T> valueTypeRef) {
|
try {
|
|
if (!StringUtil.startsWithIgnoreCase(content, StringPool.LEFT_SQ_BRACKET)) {
|
content = StringPool.LEFT_SQ_BRACKET + content + StringPool.RIGHT_SQ_BRACKET;
|
}
|
|
List<Map<String, Object>> list = getInstance().readValue(content, new TypeReference<List<Map<String, Object>>>() {
|
});
|
|
List<T> result = new ArrayList<>();
|
for (Map<String, Object> map : list) {
|
result.add(toPojo(map, valueTypeRef));
|
}
|
return result;
|
} catch (IOException e) {
|
log.error(e.getMessage(), e);
|
}
|
return null;
|
}
|
|
/**
|
* 将json字符串转成 JsonNode
|
*
|
* @param jsonString jsonString
|
* @return jsonString json字符串
|
*/
|
public static JsonNode readTree(String jsonString) {
|
Objects.requireNonNull(jsonString, "jsonString is null");
|
try {
|
return getInstance().readTree(jsonString);
|
} catch (IOException e) {
|
throw Exceptions.unchecked(e);
|
}
|
}
|
|
/**
|
* 将json字符串转成 JsonNode
|
*
|
* @param in InputStream
|
* @return jsonString json字符串
|
*/
|
public static JsonNode readTree(InputStream in) {
|
Objects.requireNonNull(in, "InputStream in is null");
|
try {
|
return getInstance().readTree(in);
|
} catch (IOException e) {
|
throw Exceptions.unchecked(e);
|
}
|
}
|
|
/**
|
* 将json字符串转成 JsonNode
|
*
|
* @param content content
|
* @return jsonString json字符串
|
*/
|
public static JsonNode readTree(byte[] content) {
|
Objects.requireNonNull(content, "byte[] content is null");
|
try {
|
return getInstance().readTree(content);
|
} catch (IOException e) {
|
throw Exceptions.unchecked(e);
|
}
|
}
|
|
/**
|
* 将json字符串转成 JsonNode
|
*
|
* @param jsonParser JsonParser
|
* @return jsonString json字符串
|
*/
|
public static JsonNode readTree(JsonParser jsonParser) {
|
Objects.requireNonNull(jsonParser, "jsonParser is null");
|
try {
|
return getInstance().readTree(jsonParser);
|
} catch (IOException e) {
|
throw Exceptions.unchecked(e);
|
}
|
}
|
|
|
/**
|
* 将json byte 数组反序列化成对象
|
*
|
* @param content json bytes
|
* @param valueType class
|
* @param <T> T 泛型标记
|
* @return Bean
|
*/
|
@Nullable
|
public static <T> T readValue(@Nullable byte[] content, Class<T> valueType) {
|
if (ObjectUtil.isEmpty(content)) {
|
return null;
|
}
|
try {
|
return getInstance().readValue(content, valueType);
|
} catch (IOException e) {
|
throw Exceptions.unchecked(e);
|
}
|
}
|
|
/**
|
* 将json反序列化成对象
|
*
|
* @param jsonString jsonString
|
* @param valueType class
|
* @param <T> T 泛型标记
|
* @return Bean
|
*/
|
@Nullable
|
public static <T> T readValue(@Nullable String jsonString, Class<T> valueType) {
|
if (StringUtil.isBlank(jsonString)) {
|
return null;
|
}
|
try {
|
return getInstance().readValue(jsonString, valueType);
|
} catch (IOException e) {
|
throw Exceptions.unchecked(e);
|
}
|
}
|
|
/**
|
* 将json反序列化成对象
|
*
|
* @param in InputStream
|
* @param valueType class
|
* @param <T> T 泛型标记
|
* @return Bean
|
*/
|
@Nullable
|
public static <T> T readValue(@Nullable InputStream in, Class<T> valueType) {
|
if (in == null) {
|
return null;
|
}
|
try {
|
return getInstance().readValue(in, valueType);
|
} catch (IOException e) {
|
throw Exceptions.unchecked(e);
|
}
|
}
|
|
/**
|
* 将json反序列化成对象
|
*
|
* @param content bytes
|
* @param typeReference 泛型类型
|
* @param <T> T 泛型标记
|
* @return Bean
|
*/
|
@Nullable
|
public static <T> T readValue(@Nullable byte[] content, TypeReference<T> typeReference) {
|
if (ObjectUtil.isEmpty(content)) {
|
return null;
|
}
|
try {
|
return getInstance().readValue(content, typeReference);
|
} catch (IOException e) {
|
throw Exceptions.unchecked(e);
|
}
|
}
|
|
/**
|
* 将json反序列化成对象
|
*
|
* @param jsonString jsonString
|
* @param typeReference 泛型类型
|
* @param <T> T 泛型标记
|
* @return Bean
|
*/
|
@Nullable
|
public static <T> T readValue(@Nullable String jsonString, TypeReference<T> typeReference) {
|
if (StringUtil.isBlank(jsonString)) {
|
return null;
|
}
|
try {
|
return getInstance().readValue(jsonString, typeReference);
|
} catch (IOException e) {
|
throw Exceptions.unchecked(e);
|
}
|
}
|
|
/**
|
* 将json反序列化成对象
|
*
|
* @param in InputStream
|
* @param typeReference 泛型类型
|
* @param <T> T 泛型标记
|
* @return Bean
|
*/
|
@Nullable
|
public static <T> T readValue(@Nullable InputStream in, TypeReference<T> typeReference) {
|
if (in == null) {
|
return null;
|
}
|
try {
|
return getInstance().readValue(in, typeReference);
|
} catch (IOException e) {
|
throw Exceptions.unchecked(e);
|
}
|
}
|
|
/**
|
* 封装 map type
|
*
|
* @param keyClass key 类型
|
* @param valueClass value 类型
|
* @return MapType
|
*/
|
public static MapType getMapType(Class<?> keyClass, Class<?> valueClass) {
|
return getInstance().getTypeFactory().constructMapType(Map.class, keyClass, valueClass);
|
}
|
|
/**
|
* 封装 map type
|
*
|
* @param elementClass 集合值类型
|
* @return CollectionLikeType
|
*/
|
public static CollectionLikeType getListType(Class<?> elementClass) {
|
return getInstance().getTypeFactory().constructCollectionLikeType(List.class, elementClass);
|
}
|
|
/**
|
* 读取集合
|
*
|
* @param content bytes
|
* @param elementClass elementClass
|
* @param <T> 泛型
|
* @return 集合
|
*/
|
public static <T> List<T> readList(@Nullable byte[] content, Class<T> elementClass) {
|
if (ObjectUtil.isEmpty(content)) {
|
return Collections.emptyList();
|
}
|
try {
|
return getInstance().readValue(content, getListType(elementClass));
|
} catch (IOException e) {
|
throw Exceptions.unchecked(e);
|
}
|
}
|
|
/**
|
* 读取集合
|
*
|
* @param content InputStream
|
* @param elementClass elementClass
|
* @param <T> 泛型
|
* @return 集合
|
*/
|
public static <T> List<T> readList(@Nullable InputStream content, Class<T> elementClass) {
|
if (content == null) {
|
return Collections.emptyList();
|
}
|
try {
|
return getInstance().readValue(content, getListType(elementClass));
|
} catch (IOException e) {
|
throw Exceptions.unchecked(e);
|
}
|
}
|
|
/**
|
* 读取集合
|
*
|
* @param content bytes
|
* @param elementClass elementClass
|
* @param <T> 泛型
|
* @return 集合
|
*/
|
public static <T> List<T> readList(@Nullable String content, Class<T> elementClass) {
|
if (ObjectUtil.isEmpty(content)) {
|
return Collections.emptyList();
|
}
|
try {
|
return getInstance().readValue(content, getListType(elementClass));
|
} catch (IOException e) {
|
throw Exceptions.unchecked(e);
|
}
|
}
|
|
/**
|
* 读取集合
|
*
|
* @param content bytes
|
* @param keyClass key类型
|
* @param valueClass 值类型
|
* @param <K> 泛型
|
* @param <V> 泛型
|
* @return 集合
|
*/
|
public static <K, V> Map<K, V> readMap(@Nullable byte[] content, Class<?> keyClass, Class<?> valueClass) {
|
if (ObjectUtil.isEmpty(content)) {
|
return Collections.emptyMap();
|
}
|
try {
|
return getInstance().readValue(content, getMapType(keyClass, valueClass));
|
} catch (IOException e) {
|
throw Exceptions.unchecked(e);
|
}
|
}
|
|
/**
|
* 读取集合
|
*
|
* @param content InputStream
|
* @param keyClass key类型
|
* @param valueClass 值类型
|
* @param <K> 泛型
|
* @param <V> 泛型
|
* @return 集合
|
*/
|
public static <K, V> Map<K, V> readMap(@Nullable InputStream content, Class<?> keyClass, Class<?> valueClass) {
|
if (ObjectUtil.isEmpty(content)) {
|
return Collections.emptyMap();
|
}
|
try {
|
return getInstance().readValue(content, getMapType(keyClass, valueClass));
|
} catch (IOException e) {
|
throw Exceptions.unchecked(e);
|
}
|
}
|
|
/**
|
* 读取集合
|
*
|
* @param content bytes
|
* @param keyClass key类型
|
* @param valueClass 值类型
|
* @param <K> 泛型
|
* @param <V> 泛型
|
* @return 集合
|
*/
|
public static <K, V> Map<K, V> readMap(@Nullable String content, Class<?> keyClass, Class<?> valueClass) {
|
if (ObjectUtil.isEmpty(content)) {
|
return Collections.emptyMap();
|
}
|
try {
|
return getInstance().readValue(content, getMapType(keyClass, valueClass));
|
} catch (IOException e) {
|
throw Exceptions.unchecked(e);
|
}
|
}
|
|
/**
|
* 读取集合
|
*
|
* @param content bytes
|
* @return 集合
|
*/
|
public static Map<String, Object> readMap(@Nullable String content) {
|
return readMap(content, String.class, Object.class);
|
}
|
|
/**
|
* 读取集合
|
*
|
* @param content bytes
|
* @return 集合
|
*/
|
public static List<Map<String, Object>> readListMap(@Nullable String content) {
|
if (ObjectUtil.isEmpty(content)) {
|
return Collections.emptyList();
|
}
|
try {
|
return getInstance().readValue(content, new TypeReference<List<Map<String, Object>>>() {
|
});
|
} catch (IOException e) {
|
throw Exceptions.unchecked(e);
|
}
|
}
|
|
/**
|
* jackson 的类型转换
|
*
|
* @param fromValue 来源对象
|
* @param toValueType 转换的类型
|
* @param <T> 泛型标记
|
* @return 转换结果
|
*/
|
public static <T> T convertValue(Object fromValue, Class<T> toValueType) {
|
return getInstance().convertValue(fromValue, toValueType);
|
}
|
|
/**
|
* jackson 的类型转换
|
*
|
* @param fromValue 来源对象
|
* @param toValueType 转换的类型
|
* @param <T> 泛型标记
|
* @return 转换结果
|
*/
|
public static <T> T convertValue(Object fromValue, JavaType toValueType) {
|
return getInstance().convertValue(fromValue, toValueType);
|
}
|
|
/**
|
* jackson 的类型转换
|
*
|
* @param fromValue 来源对象
|
* @param toValueTypeRef 泛型类型
|
* @param <T> 泛型标记
|
* @return 转换结果
|
*/
|
public static <T> T convertValue(Object fromValue, TypeReference<T> toValueTypeRef) {
|
return getInstance().convertValue(fromValue, toValueTypeRef);
|
}
|
|
/**
|
* tree 转对象
|
*
|
* @param treeNode TreeNode
|
* @param valueType valueType
|
* @param <T> 泛型标记
|
* @return 转换结果
|
*/
|
public static <T> T treeToValue(TreeNode treeNode, Class<T> valueType) {
|
try {
|
return getInstance().treeToValue(treeNode, valueType);
|
} catch (JsonProcessingException e) {
|
throw Exceptions.unchecked(e);
|
}
|
}
|
|
/**
|
* 对象转为 json node
|
*
|
* @param value 对象
|
* @return JsonNode
|
*/
|
public static JsonNode valueToTree(@Nullable Object value) {
|
return getInstance().valueToTree(value);
|
}
|
|
/**
|
* 判断是否可以序列化
|
*
|
* @param value 对象
|
* @return 是否可以序列化
|
*/
|
public static boolean canSerialize(@Nullable Object value) {
|
if (value == null) {
|
return true;
|
}
|
return getInstance().canSerialize(value.getClass());
|
}
|
|
public static Map<String, Object> toMap(String content) {
|
try {
|
return getInstance().readValue(content, Map.class);
|
} catch (IOException e) {
|
log.error(e.getMessage(), e);
|
}
|
return null;
|
}
|
|
public static <T> Map<String, T> toMap(String content, Class<T> valueTypeRef) {
|
try {
|
Map<String, Map<String, Object>> map = getInstance().readValue(content, new TypeReference<Map<String, Map<String, Object>>>() {
|
});
|
Map<String, T> result = new HashMap<>(16);
|
for (Map.Entry<String, Map<String, Object>> entry : map.entrySet()) {
|
result.put(entry.getKey(), toPojo(entry.getValue(), valueTypeRef));
|
}
|
return result;
|
} catch (IOException e) {
|
log.error(e.getMessage(), e);
|
}
|
return null;
|
}
|
|
public static <T> T toPojo(Map fromValue, Class<T> toValueType) {
|
return getInstance().convertValue(fromValue, toValueType);
|
}
|
|
public static ObjectMapper getInstance() {
|
return JacksonHolder.INSTANCE;
|
}
|
|
private static class JacksonHolder {
|
private static final ObjectMapper INSTANCE = new JacksonObjectMapper();
|
}
|
|
private static class JacksonObjectMapper extends ObjectMapper {
|
private static final long serialVersionUID = 4288193147502386170L;
|
|
private static final Locale CHINA = Locale.CHINA;
|
|
public JacksonObjectMapper(ObjectMapper src) {
|
super(src);
|
}
|
|
public JacksonObjectMapper() {
|
super();
|
//设置地点为中国
|
super.setLocale(CHINA);
|
//去掉默认的时间戳格式
|
super.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false);
|
//设置为中国上海时区
|
super.setTimeZone(TimeZone.getTimeZone(ZoneId.systemDefault()));
|
//序列化时，日期的统一格式
|
super.setDateFormat(new SimpleDateFormat(DateUtil.PATTERN_DATETIME, Locale.CHINA));
|
// 单引号
|
super.configure(JsonParser.Feature.ALLOW_SINGLE_QUOTES, true);
|
// 允许JSON字符串包含非引号控制字符（值小于32的ASCII字符，包含制表符和换行符）
|
super.configure(JsonReadFeature.ALLOW_UNESCAPED_CONTROL_CHARS.mappedFeature(), true);
|
super.configure(JsonReadFeature.ALLOW_BACKSLASH_ESCAPING_ANY_CHARACTER.mappedFeature(), true);
|
super.findAndRegisterModules();
|
//失败处理
|
super.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
|
super.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
|
//单引号处理
|
super.configure(JsonReadFeature.ALLOW_SINGLE_QUOTES.mappedFeature(), true);
|
//反序列化时，属性不存在的兼容处理s
|
super.getDeserializationConfig().withoutFeatures(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
|
//日期格式化
|
super.registerModule(new BladeJavaTimeModule());
|
super.findAndRegisterModules();
|
}
|
|
@Override
|
public ObjectMapper copy() {
|
return new JacksonObjectMapper(this);
|
}
|
}
|
|
}
|
