From 152781b05131e48bf6e94d71cc72dd54af52a3fb Mon Sep 17 00:00:00 2001
From: houzhongjian <houzhongyi@126.com>
Date: 星期四, 10 四月 2025 14:13:29 +0800
Subject: [PATCH] 恢复iailab-framework
---
iailab-framework/iailab-common/src/main/java/com/iailab/framework/common/util/json/JsonUtils.java | 202 ++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 202 insertions(+), 0 deletions(-)
diff --git a/iailab-framework/iailab-common/src/main/java/com/iailab/framework/common/util/json/JsonUtils.java b/iailab-framework/iailab-common/src/main/java/com/iailab/framework/common/util/json/JsonUtils.java
new file mode 100644
index 0000000..88e56cd
--- /dev/null
+++ b/iailab-framework/iailab-common/src/main/java/com/iailab/framework/common/util/json/JsonUtils.java
@@ -0,0 +1,202 @@
+package com.iailab.framework.common.util.json;
+
+import cn.hutool.core.util.ArrayUtil;
+import cn.hutool.core.util.StrUtil;
+import cn.hutool.json.JSONUtil;
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.DeserializationFeature;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.SerializationFeature;
+import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
+import lombok.SneakyThrows;
+import lombok.extern.slf4j.Slf4j;
+
+import java.io.IOException;
+import java.lang.reflect.Type;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * JSON 工具类
+ *
+ * @author iailab
+ */
+@Slf4j
+public class JsonUtils {
+
+ private static ObjectMapper objectMapper = new ObjectMapper();
+
+ static {
+ objectMapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
+ objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+ objectMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL); // 忽略 null 值
+ objectMapper.registerModules(new JavaTimeModule()); // 解决 LocalDateTime 的序列化
+ }
+
+ /**
+ * 初始化 objectMapper 属性
+ * <p>
+ * 通过这样的方式，使用 Spring 创建的 ObjectMapper Bean
+ *
+ * @param objectMapper ObjectMapper 对象
+ */
+ public static void init(ObjectMapper objectMapper) {
+ JsonUtils.objectMapper = objectMapper;
+ }
+
+ @SneakyThrows
+ public static String toJsonString(Object object) {
+ return objectMapper.writeValueAsString(object);
+ }
+
+ @SneakyThrows
+ public static byte[] toJsonByte(Object object) {
+ return objectMapper.writeValueAsBytes(object);
+ }
+
+ @SneakyThrows
+ public static String toJsonPrettyString(Object object) {
+ return objectMapper.writerWithDefaultPrettyPrinter().writeValueAsString(object);
+ }
+
+ public static <T> T parseObject(String text, Class<T> clazz) {
+ if (StrUtil.isEmpty(text)) {
+ return null;
+ }
+ try {
+ return objectMapper.readValue(text, clazz);
+ } catch (IOException e) {
+ log.error("json parse err,json:{}", text, e);
+ throw new RuntimeException(e);
+ }
+ }
+
+ public static <T> T parseObject(String text, String path, Class<T> clazz) {
+ if (StrUtil.isEmpty(text)) {
+ return null;
+ }
+ try {
+ JsonNode treeNode = objectMapper.readTree(text);
+ JsonNode pathNode = treeNode.path(path);
+ return objectMapper.readValue(pathNode.toString(), clazz);
+ } catch (IOException e) {
+ log.error("json parse err,json:{}", text, e);
+ throw new RuntimeException(e);
+ }
+ }
+
+ public static <T> T parseObject(String text, Type type) {
+ if (StrUtil.isEmpty(text)) {
+ return null;
+ }
+ try {
+ return objectMapper.readValue(text, objectMapper.getTypeFactory().constructType(type));
+ } catch (IOException e) {
+ log.error("json parse err,json:{}", text, e);
+ throw new RuntimeException(e);
+ }
+ }
+
+ /**
+ * 将字符串解析成指定类型的对象
+ * 使用 {@link #parseObject(String, Class)} 时，在@JsonTypeInfo(use = JsonTypeInfo.Id.CLASS) 的场景下，
+ * 如果 text 没有 class 属性，则会报错。此时，使用这个方法，可以解决。
+ *
+ * @param text 字符串
+ * @param clazz 类型
+ * @return 对象
+ */
+ public static <T> T parseObject2(String text, Class<T> clazz) {
+ if (StrUtil.isEmpty(text)) {
+ return null;
+ }
+ return JSONUtil.toBean(text, clazz);
+ }
+
+ public static <T> T parseObject(byte[] bytes, Class<T> clazz) {
+ if (ArrayUtil.isEmpty(bytes)) {
+ return null;
+ }
+ try {
+ return objectMapper.readValue(bytes, clazz);
+ } catch (IOException e) {
+ log.error("json parse err,json:{}", bytes, e);
+ throw new RuntimeException(e);
+ }
+ }
+
+ public static <T> T parseObject(String text, TypeReference<T> typeReference) {
+ try {
+ return objectMapper.readValue(text, typeReference);
+ } catch (IOException e) {
+ log.error("json parse err,json:{}", text, e);
+ throw new RuntimeException(e);
+ }
+ }
+
+ /**
+ * 解析 JSON 字符串成指定类型的对象，如果解析失败，则返回 null
+ *
+ * @param text 字符串
+ * @param typeReference 类型引用
+ * @return 指定类型的对象
+ */
+ public static <T> T parseObjectQuietly(String text, TypeReference<T> typeReference) {
+ try {
+ return objectMapper.readValue(text, typeReference);
+ } catch (IOException e) {
+ return null;
+ }
+ }
+
+ public static <T> List<T> parseArray(String text, Class<T> clazz) {
+ if (StrUtil.isEmpty(text)) {
+ return new ArrayList<>();
+ }
+ try {
+ return objectMapper.readValue(text, objectMapper.getTypeFactory().constructCollectionType(List.class, clazz));
+ } catch (IOException e) {
+ log.error("json parse err,json:{}", text, e);
+ throw new RuntimeException(e);
+ }
+ }
+
+ public static <T> List<T> parseArray(String text, String path, Class<T> clazz) {
+ if (StrUtil.isEmpty(text)) {
+ return null;
+ }
+ try {
+ JsonNode treeNode = objectMapper.readTree(text);
+ JsonNode pathNode = treeNode.path(path);
+ return objectMapper.readValue(pathNode.toString(), objectMapper.getTypeFactory().constructCollectionType(List.class, clazz));
+ } catch (IOException e) {
+ log.error("json parse err,json:{}", text, e);
+ throw new RuntimeException(e);
+ }
+ }
+
+ public static JsonNode parseTree(String text) {
+ try {
+ return objectMapper.readTree(text);
+ } catch (IOException e) {
+ log.error("json parse err,json:{}", text, e);
+ throw new RuntimeException(e);
+ }
+ }
+
+ public static JsonNode parseTree(byte[] text) {
+ try {
+ return objectMapper.readTree(text);
+ } catch (IOException e) {
+ log.error("json parse err,json:{}", text, e);
+ throw new RuntimeException(e);
+ }
+ }
+
+ public static boolean isJson(String text) {
+ return JSONUtil.isTypeJSON(text);
+ }
+
+}
--
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