perf[boot]: 增加Jackson的自动化配置

boot/src/main/java/com/zfoo/boot/BootAutoConfiguration.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2020 The zfoo Authors
+ * 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 com.zfoo.boot;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.zfoo.protocol.util.JsonUtils;
+import com.zfoo.protocol.util.ReflectionUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+import java.lang.reflect.Field;
+
+/**
+ * @author jaysunxiao
+ * @version 3.0
+ */
+@Configuration(proxyBeanMethods = false)
+public class BootAutoConfiguration {
+
+    private static final Logger logger = LoggerFactory.getLogger(BootAutoConfiguration.class);
+
+    @Bean
+    @ConditionalOnMissingBean
+    public ObjectMapper getObjectMapper() throws NoSuchFieldException {
+        // 断点进入ObjectMapper，看到的确和JsonUtils用的是同一个对象
+        Field field = JsonUtils.class.getDeclaredField("MAPPER");
+        ReflectionUtils.makeAccessible(field);
+        logger.info("Jackson auto config successfully!");
+        return (ObjectMapper) ReflectionUtils.getField(field, null);
+    }
+
+}

boot/src/main/resources/META-INF/spring.factories

@@ -1,6 +1,7 @@
 org.springframework.boot.autoconfigure.EnableAutoConfiguration=\
+com.zfoo.boot.BootAutoConfiguration,\
 com.zfoo.boot.EventAutoConfiguration,\
 com.zfoo.boot.SchedulerAutoConfiguration,\
 com.zfoo.boot.StorageAutoConfiguration,\
 com.zfoo.boot.OrmAutoConfiguration,\
-com.zfoo.boot.NetAutoConfiguration
+com.zfoo.boot.NetAutoConfiguration