[ISSUE #321] Support spring 6.x and native-image (#322)

* [ISSUE #315] Support spring 6.x

* Support native-image

nacos-spring-context-aot/pom.xml

@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>com.alibaba.nacos</groupId>
+        <artifactId>nacos-spring-parent</artifactId>
+        <version>${revision}</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+
+    <groupId>com.alibaba.nacos</groupId>
+    <artifactId>nacos-spring-context-aot</artifactId>
+    <version>${revision}</version>
+    <name>Alibaba Nacos :: Spring :: Context :: Aot</name>
+    <packaging>jar</packaging>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-beans</artifactId>
+            <version>${spring6.framework.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-core</artifactId>
+            <version>${spring6.framework.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.alibaba.nacos</groupId>
+            <artifactId>nacos-spring-context</artifactId>
+            <version>${revision}</version>
+            <optional>true</optional>
+        </dependency>
+    </dependencies>
+
+</project>

nacos-spring-context-aot/src/main/java/com/alibaba/nacos/spring/aot/NacosAnnotationBeanRegistrationAotProcessor.java

@@ -0,0 +1,76 @@
+/*
+ *
+ *  * Licensed to the Apache Software Foundation (ASF) under one or more
+ *  * contributor license agreements.  See the NOTICE file distributed with
+ *  * this work for additional information regarding copyright ownership.
+ *  * The ASF licenses this file to You 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.alibaba.nacos.spring.aot;
+
+import com.alibaba.nacos.api.annotation.NacosInjected;
+import com.alibaba.nacos.api.config.annotation.NacosValue;
+import org.springframework.aot.generate.GenerationContext;
+import org.springframework.beans.factory.aot.BeanRegistrationAotContribution;
+import org.springframework.beans.factory.aot.BeanRegistrationAotProcessor;
+import org.springframework.beans.factory.aot.BeanRegistrationCode;
+import org.springframework.beans.factory.support.RegisteredBean;
+import org.springframework.util.ReflectionUtils;
+
+import java.lang.reflect.Field;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * {@link NacosInjected} and {@link NacosValue} AotProcessor
+ * The fields annotated with {@link NacosInjected} or {@link NacosValue} must be added to the reflect-config.json
+ * @author SuperZ1999
+ */
+public class NacosAnnotationBeanRegistrationAotProcessor implements BeanRegistrationAotProcessor {
+    @Override
+    public BeanRegistrationAotContribution processAheadOfTime(RegisteredBean registeredBean) {
+        Class<?> beanClass = registeredBean.getBeanClass();
+        List<Field> fields = new ArrayList<>();
+        ReflectionUtils.doWithFields(beanClass, field -> {
+            NacosInjected injectedAnnotation = field.getDeclaredAnnotation(NacosInjected.class);
+            NacosValue nacosValueAnnotation = field.getDeclaredAnnotation(NacosValue.class);
+            if (injectedAnnotation != null || nacosValueAnnotation != null) {
+                fields.add(field);
+            }
+        });
+        if (fields.isEmpty()) {
+            return null;
+        }
+        return new AotContribution(fields);
+    }
+
+    private static class AotContribution implements BeanRegistrationAotContribution {
+        private final List<Field> fields;
+
+        public AotContribution() {
+            this.fields = new ArrayList<>();
+        }
+
+        public AotContribution(List<Field> fields) {
+            this.fields = fields;
+        }
+
+        @Override
+        public void applyTo(GenerationContext generationContext, BeanRegistrationCode beanRegistrationCode) {
+            for (Field field : fields) {
+                generationContext.getRuntimeHints().reflection().registerField(field);
+            }
+        }
+    }
+}

nacos-spring-context-aot/src/main/resources/META-INF/native-image/com.alibaba.nacos/nacos-spring-context/resource-config.json

@@ -0,0 +1,15 @@
+{
+  "resources": {
+    "includes": [
+      {
+        "pattern": "\\QMETA-INF/spring.handlers\\E"
+      },
+      {
+        "pattern": "\\QMETA-INF/spring.schemas\\E"
+      },
+      {
+        "pattern": "\\QMETA-INF/schemas/nacos.xsd\\E"
+      }
+    ]
+  }
+}

nacos-spring-context-aot/src/main/resources/META-INF/spring/aot.factories

@@ -0,0 +1,2 @@
+org.springframework.beans.factory.aot.BeanRegistrationAotProcessor=\
+com.alibaba.nacos.spring.aot.NacosAnnotationBeanRegistrationAotProcessor