450 lines
11 KiB
Java
450 lines
11 KiB
Java
/**
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* Copyright (c) 2018-2028, Chill Zhuang 庄骞 (smallchill@163.com).
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* <p>
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* Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* <p>
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* http://www.gnu.org/licenses/lgpl.html
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* <p>
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springblade.core.tool.jackson;
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import com.fasterxml.jackson.core.JsonParser;
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import com.fasterxml.jackson.core.JsonProcessingException;
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import com.fasterxml.jackson.core.json.JsonReadFeature;
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import com.fasterxml.jackson.core.type.TypeReference;
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import com.fasterxml.jackson.databind.DeserializationFeature;
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import com.fasterxml.jackson.databind.JsonNode;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.fasterxml.jackson.databind.SerializationFeature;
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import lombok.extern.slf4j.Slf4j;
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import org.springblade.core.tool.utils.*;
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import org.springframework.lang.Nullable;
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import java.io.IOException;
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import java.io.InputStream;
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import java.text.SimpleDateFormat;
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import java.time.ZoneId;
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import java.util.*;
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/**
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* Jackson工具类
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*
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* @author Chill
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*/
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@Slf4j
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public class JsonUtil {
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/**
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* 将对象序列化成json字符串
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*
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* @param value javaBean
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* @param <T> T 泛型标记
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* @return jsonString json字符串
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*/
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public static <T> String toJson(T value) {
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try {
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return getInstance().writeValueAsString(value);
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} catch (Exception e) {
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log.error(e.getMessage(), e);
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}
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return null;
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}
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/**
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* 将对象序列化成 json byte 数组
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*
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* @param object javaBean
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* @return jsonString json字符串
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*/
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public static byte[] toJsonAsBytes(Object object) {
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try {
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return getInstance().writeValueAsBytes(object);
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} catch (JsonProcessingException e) {
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throw Exceptions.unchecked(e);
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}
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}
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/**
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* 将json反序列化成对象
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*
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* @param content content
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* @param valueType class
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* @param <T> T 泛型标记
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* @return Bean
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*/
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public static <T> T parse(String content, Class<T> valueType) {
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try {
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return getInstance().readValue(content, valueType);
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} catch (Exception e) {
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log.error(e.getMessage(), e);
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}
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return null;
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}
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/**
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* 将json反序列化成对象
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*
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* @param content content
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* @param typeReference 泛型类型
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* @param <T> T 泛型标记
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* @return Bean
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*/
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public static <T> T parse(String content, TypeReference<T> typeReference) {
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try {
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return getInstance().readValue(content, typeReference);
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} catch (IOException e) {
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throw Exceptions.unchecked(e);
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}
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}
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/**
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* 将json byte 数组反序列化成对象
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*
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* @param bytes json bytes
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* @param valueType class
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* @param <T> T 泛型标记
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* @return Bean
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*/
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public static <T> T parse(byte[] bytes, Class<T> valueType) {
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try {
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return getInstance().readValue(bytes, valueType);
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} catch (IOException e) {
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throw Exceptions.unchecked(e);
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}
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}
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/**
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* 将json反序列化成对象
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*
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* @param bytes bytes
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* @param typeReference 泛型类型
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* @param <T> T 泛型标记
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* @return Bean
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*/
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public static <T> T parse(byte[] bytes, TypeReference<T> typeReference) {
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try {
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return getInstance().readValue(bytes, typeReference);
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} catch (IOException e) {
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throw Exceptions.unchecked(e);
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}
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}
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/**
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* 将json反序列化成对象
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*
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* @param in InputStream
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* @param valueType class
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* @param <T> T 泛型标记
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* @return Bean
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*/
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public static <T> T parse(InputStream in, Class<T> valueType) {
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try {
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return getInstance().readValue(in, valueType);
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} catch (IOException e) {
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throw Exceptions.unchecked(e);
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}
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}
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/**
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* 将json反序列化成对象
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*
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* @param in InputStream
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* @param typeReference 泛型类型
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* @param <T> T 泛型标记
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* @return Bean
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*/
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public static <T> T parse(InputStream in, TypeReference<T> typeReference) {
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try {
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return getInstance().readValue(in, typeReference);
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} catch (IOException e) {
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throw Exceptions.unchecked(e);
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}
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}
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/**
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* 将json反序列化成List对象
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* @param content content
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* @param valueTypeRef class
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* @param <T> T 泛型标记
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* @return List
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*/
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public static <T> List<T> parseArray(String content, Class<T> valueTypeRef) {
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try {
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if (!StringUtil.startsWithIgnoreCase(content, StringPool.LEFT_SQ_BRACKET)) {
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content = StringPool.LEFT_SQ_BRACKET + content + StringPool.RIGHT_SQ_BRACKET;
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}
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List<Map<String, Object>> list = getInstance().readValue(content, new TypeReference<List<Map<String, Object>>>() {
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});
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List<T> result = new ArrayList<>();
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for (Map<String, Object> map : list) {
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result.add(toPojo(map, valueTypeRef));
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}
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return result;
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} catch (IOException e) {
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log.error(e.getMessage(), e);
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}
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return null;
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}
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public static Map<String, Object> toMap(String content) {
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try {
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return getInstance().readValue(content, Map.class);
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} catch (IOException e) {
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log.error(e.getMessage(), e);
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}
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return null;
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}
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public static <T> Map<String, T> toMap(String content, Class<T> valueTypeRef) {
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try {
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Map<String, Map<String, Object>> map = getInstance().readValue(content, new TypeReference<Map<String, Map<String, Object>>>() {
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});
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Map<String, T> result = new HashMap<>(16);
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for (Map.Entry<String, Map<String, Object>> entry : map.entrySet()) {
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result.put(entry.getKey(), toPojo(entry.getValue(), valueTypeRef));
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}
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return result;
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} catch (IOException e) {
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log.error(e.getMessage(), e);
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}
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return null;
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}
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public static <T> T toPojo(Map fromValue, Class<T> toValueType) {
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return getInstance().convertValue(fromValue, toValueType);
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}
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/**
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* 将json字符串转成 JsonNode
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*
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* @param jsonString jsonString
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* @return jsonString json字符串
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*/
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public static JsonNode readTree(String jsonString) {
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try {
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return getInstance().readTree(jsonString);
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} catch (IOException e) {
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throw Exceptions.unchecked(e);
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}
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}
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/**
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* 将json字符串转成 JsonNode
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*
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* @param in InputStream
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* @return jsonString json字符串
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*/
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public static JsonNode readTree(InputStream in) {
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try {
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return getInstance().readTree(in);
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} catch (IOException e) {
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throw Exceptions.unchecked(e);
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}
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}
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/**
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* 将json字符串转成 JsonNode
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*
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* @param content content
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* @return jsonString json字符串
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*/
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public static JsonNode readTree(byte[] content) {
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try {
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return getInstance().readTree(content);
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} catch (IOException e) {
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throw Exceptions.unchecked(e);
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}
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}
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/**
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* 将json byte 数组反序列化成对象
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*
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* @param content json bytes
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* @param valueType class
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* @param <T> T 泛型标记
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* @return Bean
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*/
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@Nullable
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public static <T> T readValue(@Nullable byte[] content, Class<T> valueType) {
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if (ObjectUtil.isEmpty(content)) {
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return null;
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}
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try {
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return getInstance().readValue(content, valueType);
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} catch (IOException e) {
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throw Exceptions.unchecked(e);
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}
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}
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/**
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* 将json反序列化成对象
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*
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* @param jsonString jsonString
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* @param valueType class
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* @param <T> T 泛型标记
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* @return Bean
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*/
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@Nullable
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public static <T> T readValue(@Nullable String jsonString, Class<T> valueType) {
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if (StringUtil.isBlank(jsonString)) {
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return null;
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}
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try {
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return getInstance().readValue(jsonString, valueType);
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} catch (IOException e) {
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throw Exceptions.unchecked(e);
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}
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}
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/**
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* 将json反序列化成对象
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*
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* @param in InputStream
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* @param valueType class
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* @param <T> T 泛型标记
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* @return Bean
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*/
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@Nullable
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public static <T> T readValue(@Nullable InputStream in, Class<T> valueType) {
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if (in == null) {
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return null;
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}
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try {
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return getInstance().readValue(in, valueType);
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} catch (IOException e) {
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throw Exceptions.unchecked(e);
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}
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}
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/**
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* 将json反序列化成对象
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*
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* @param content bytes
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* @param typeReference 泛型类型
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* @param <T> T 泛型标记
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* @return Bean
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*/
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@Nullable
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public static <T> T readValue(@Nullable byte[] content, TypeReference<T> typeReference) {
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if (ObjectUtil.isEmpty(content)) {
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return null;
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}
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try {
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return getInstance().readValue(content, typeReference);
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} catch (IOException e) {
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throw Exceptions.unchecked(e);
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}
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}
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/**
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* 将json反序列化成对象
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*
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* @param jsonString jsonString
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* @param typeReference 泛型类型
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* @param <T> T 泛型标记
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* @return Bean
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*/
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@Nullable
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public static <T> T readValue(@Nullable String jsonString, TypeReference<T> typeReference) {
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if (StringUtil.isBlank(jsonString)) {
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return null;
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}
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try {
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return getInstance().readValue(jsonString, typeReference);
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} catch (IOException e) {
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throw Exceptions.unchecked(e);
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}
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}
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/**
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* 将json反序列化成对象
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*
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* @param in InputStream
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* @param typeReference 泛型类型
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* @param <T> T 泛型标记
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* @return Bean
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*/
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@Nullable
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public static <T> T readValue(@Nullable InputStream in, TypeReference<T> typeReference) {
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if (in == null) {
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return null;
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}
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try {
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return getInstance().readValue(in, typeReference);
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} catch (IOException e) {
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throw Exceptions.unchecked(e);
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}
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}
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/**
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* 将json字符串转成 JsonNode
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*
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* @param jsonParser JsonParser
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* @return jsonString json字符串
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*/
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public static JsonNode readTree(JsonParser jsonParser) {
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try {
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return getInstance().readTree(jsonParser);
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} catch (IOException e) {
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throw Exceptions.unchecked(e);
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}
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}
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public static ObjectMapper getInstance() {
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return JacksonHolder.INSTANCE;
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}
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private static class JacksonHolder {
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private static ObjectMapper INSTANCE = new JacksonObjectMapper();
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}
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public static class JacksonObjectMapper extends ObjectMapper {
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private static final long serialVersionUID = 4288193147502386170L;
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private static final Locale CHINA = Locale.CHINA;
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public JacksonObjectMapper() {
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super();
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//设置地点为中国
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super.setLocale(CHINA);
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//去掉默认的时间戳格式
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super.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false);
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//设置为中国上海时区
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super.setTimeZone(TimeZone.getTimeZone(ZoneId.systemDefault()));
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//序列化时，日期的统一格式
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super.setDateFormat(new SimpleDateFormat(DateUtil.PATTERN_DATETIME, Locale.CHINA));
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//序列化处理
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super.configure(JsonReadFeature.ALLOW_UNESCAPED_CONTROL_CHARS.mappedFeature(), true);
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super.configure(JsonReadFeature.ALLOW_BACKSLASH_ESCAPING_ANY_CHARACTER.mappedFeature(), true);
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super.findAndRegisterModules();
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//失败处理
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super.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
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super.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
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//单引号处理
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super.configure(JsonParser.Feature.ALLOW_SINGLE_QUOTES, true);
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//反序列化时，属性不存在的兼容处理s
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super.getDeserializationConfig().withoutFeatures(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
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//日期格式化
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super.registerModule(new BladeJavaTimeModule());
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super.findAndRegisterModules();
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}
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@Override
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public ObjectMapper copy() {
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return super.copy();
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}
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}
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}
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