add HutoolJSONSerializer

hutool-json/src/main/java/org/dromara/hutool/json/engine/jackson/HutoolJSONSerializer.java

@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2024 Hutool Team and hutool.cn
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.dromara.hutool.json.engine.jackson;
+
+import com.fasterxml.jackson.core.JsonGenerator;
+import com.fasterxml.jackson.databind.SerializerProvider;
+import com.fasterxml.jackson.databind.ser.std.StdSerializer;
+import org.dromara.hutool.core.io.IORuntimeException;
+import org.dromara.hutool.json.JSON;
+import org.dromara.hutool.json.JSONArray;
+import org.dromara.hutool.json.JSONObject;
+import org.dromara.hutool.json.JSONPrimitive;
+
+import java.io.IOException;
+
+/**
+ * Hutool JSON序列化器
+ *
+ * @author looly
+ * @since 6.0.0
+ */
+public class HutoolJSONSerializer extends StdSerializer<JSON> {
+	private static final long serialVersionUID = 1L;
+
+	protected HutoolJSONSerializer() {
+		super(JSON.class);
+	}
+
+	@Override
+	public void serialize(final JSON json, final JsonGenerator jsonGenerator, final SerializerProvider serializerProvider) throws IOException {
+		if(json instanceof JSONPrimitive){
+			jsonGenerator.writeObject(((JSONPrimitive) json).getValue());
+		}else if(json instanceof JSONObject){
+			jsonGenerator.writeStartObject();
+			json.asJSONObject().forEach((k, v)->{
+				try {
+					jsonGenerator.writeObjectField(k, v);
+				} catch (final IOException e) {
+					throw new IORuntimeException(e);
+				}
+			});
+			jsonGenerator.writeEndObject();
+		}else if(json instanceof JSONArray){
+			jsonGenerator.writeStartArray();
+			json.asJSONArray().forEach(v->{
+				try {
+					jsonGenerator.writeObject(v);
+				} catch (final IOException e) {
+					throw new IORuntimeException(e);
+				}
+			});
+			jsonGenerator.writeEndArray();
+		}
+	}
+}

hutool-json/src/main/java/org/dromara/hutool/json/engine/jackson/HutoolModule.java

@@ -24,7 +24,7 @@ import com.fasterxml.jackson.databind.module.SimpleModule;
  * @author Looly
  * @since 6.0.0
  */
-public class TemporalModule extends SimpleModule {
+public class HutoolModule extends SimpleModule {
 	private static final long serialVersionUID = 1L;
 
 	/**
@@ -32,8 +32,9 @@ public class TemporalModule extends SimpleModule {
 	 *
 	 * @param dateFormat 日期格式，null表示使用时间戳
 	 */
-	public TemporalModule(final String dateFormat) {
+	public HutoolModule(final String dateFormat) {
 		super();
 		this.addSerializer(new JacksonTemporalSerializer(dateFormat));
+		this.addSerializer(new HutoolJSONSerializer());
 	}
 }

hutool-json/src/main/java/org/dromara/hutool/json/engine/jackson/JacksonEngine.java

@@ -140,7 +140,7 @@ public class JacksonEngine extends AbstractJSONEngine implements Wrapper<ObjectM
 		}
 		final String dateFormat = config.getDateFormat();
 		// 用于处理java.time库中对象的序列化和反序列化
-		mapper.registerModule(new TemporalModule(dateFormat));
+		mapper.registerModule(new HutoolModule(dateFormat));
 		if(StrUtil.isNotEmpty(dateFormat)){
 			mapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
 			mapper.setDateFormat(DateUtil.newSimpleFormat(dateFormat));

hutool-json/src/test/java/org/dromara/hutool/json/engine/JacksonTest.java

@@ -17,6 +17,8 @@
 package org.dromara.hutool.json.engine;
 
 import org.dromara.hutool.core.text.StrUtil;
+import org.dromara.hutool.json.JSONObject;
+import org.dromara.hutool.json.JSONUtil;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
 
@@ -39,4 +41,20 @@ public class JacksonTest {
 			"  \"gender\" : true\n" +
 			"}", jsonString);
 	}
+
+	/**
+	 * https://gitee.com/dromara/hutool/issues/IB3GM4<br>
+	 * JSON和Jackson兼容
+	 */
+	@Test
+	void toJsonStringOfHutoolJsonTest() {
+		final JSONObject jsonObject = JSONUtil.ofObj()
+			.putValue("name", "张三")
+			.putValue("age", 18)
+			.putValue("sub", JSONUtil.ofObj()
+				.putValue("aaa", "aa1").putValue("bbb", "bb1"));
+		final JSONEngine engine = JSONEngineFactory.createEngine("jackson");
+		final String jsonString = engine.toJsonString(jsonObject);
+		Assertions.assertEquals("{\"name\":\"张三\",\"age\":18,\"sub\":{\"aaa\":\"aa1\",\"bbb\":\"bb1\"}}", jsonString);
+	}
 }