add nacos examples
lixiaoshuang
3 years ago
parent
5fd76cde30
commit
4b62530daf
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/*
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* Copyright 2013-2022 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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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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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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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 com.alibaba.cloud.examples.configuration;
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import com.alibaba.cloud.examples.model.NacosConfigInfo;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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/**
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* Bean definition
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*
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* @author lixiaoshuang
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*/
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@Configuration
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public class BeanConfiguration {
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@Bean
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public NacosConfigInfo nacosConfigInfo() {
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return new NacosConfigInfo();
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}
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}
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/*
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* Copyright 2013-2022 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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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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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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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 com.alibaba.cloud.examples.example;
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import com.alibaba.cloud.examples.model.NacosConfigInfo;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RestController;
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import java.util.HashMap;
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import java.util.Map;
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/**
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* Dynamic bean refresh example
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*
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* @author lixiaoshuang
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*/
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@RestController
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@RequestMapping("/nacos/bean")
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public class BeanAutoRefreshConfigExample {
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@Autowired
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private NacosConfigInfo nacosConfigInfo;
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@GetMapping
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public Map<String, String> getConfigInfo() {
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Map<String, String> result = new HashMap<>();
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result.put("serveraddr", nacosConfigInfo.getServeraddr());
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result.put("prefix", nacosConfigInfo.getPrefix());
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result.put("group", nacosConfigInfo.getGroup());
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result.put("namespace", nacosConfigInfo.getNamespace());
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return result;
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}
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}
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/*
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* Copyright 2013-2022 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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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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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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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 com.alibaba.cloud.examples.example;
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import com.alibaba.cloud.nacos.NacosConfigManager;
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import com.alibaba.nacos.api.config.ConfigService;
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import com.alibaba.nacos.api.config.listener.Listener;
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import com.alibaba.nacos.api.exception.NacosException;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Component;
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import javax.annotation.PostConstruct;
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import java.util.concurrent.Executor;
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import java.util.concurrent.Executors;
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/**
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* Configuration listener example.
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*
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* @author lixiaoshuang
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*/
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@Component
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public class ConfigListenerExample {
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public static final String DATA_ID = "nacos-config-example.properties";
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public static final String GROUP = "DEFAULT_GROUP";
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@Autowired
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private NacosConfigManager nacosConfigManager;
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@PostConstruct
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public void init() throws NacosException {
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ConfigService configService = nacosConfigManager.getConfigService();
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configService.addListener(DATA_ID, GROUP, new Listener() {
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@Override
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public Executor getExecutor() {
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return Executors.newSingleThreadExecutor();
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}
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@Override
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public void receiveConfigInfo(String configInfo) {
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System.out.println("[dataId]:[" + DATA_ID + "],Configuration changed to:" + configInfo);
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}
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});
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}
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}
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/*
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* Copyright 2013-2022 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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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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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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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 com.alibaba.cloud.examples.example;
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import com.alibaba.cloud.commons.lang.StringUtils;
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import com.alibaba.cloud.nacos.NacosConfigManager;
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import com.alibaba.nacos.api.config.ConfigService;
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import com.alibaba.nacos.api.config.listener.Listener;
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import com.alibaba.nacos.api.exception.NacosException;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestParam;
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import org.springframework.web.bind.annotation.RestController;
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import java.util.concurrent.Executor;
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/**
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* Example of docking with Nacos interface
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*
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* @author lixiaoshuang
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*/
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@RestController
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@RequestMapping("nacos")
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public class DockingInterfaceExample {
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public static final String DEFAULT_GROUP = "DEFAULT_GROUP";
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@Autowired
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private NacosConfigManager nacosConfigManager;
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/**
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* Get configuration information
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*
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* @param dataId
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* @param group
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* @return
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* @throws NacosException
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*/
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@RequestMapping("getConfig")
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public String getConfig(@RequestParam("dataId") String dataId,
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@RequestParam(value = "group", required = false) String group) throws NacosException {
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if (StringUtils.isEmpty(group)) {
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group = DEFAULT_GROUP;
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}
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ConfigService configService = nacosConfigManager.getConfigService();
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return configService.getConfig(dataId, group, 2000);
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}
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/**
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* Publish configuration
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*
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* @param dataId
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* @param group
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* @param content
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* @return
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* @throws NacosException
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*/
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@RequestMapping("publishConfig")
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public boolean publishConfig(@RequestParam("dataId") String dataId,
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@RequestParam(value = "group", required = false) String group, @RequestParam("content") String content)
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throws NacosException {
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if (StringUtils.isEmpty(group)) {
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group = DEFAULT_GROUP;
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}
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ConfigService configService = nacosConfigManager.getConfigService();
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return configService.publishConfig(dataId, group, content);
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}
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/**
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* Delete configuration
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*
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* @param dataId
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* @param group
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* @return
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* @throws NacosException
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*/
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@RequestMapping("remoteConfig")
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public boolean remoteConfig(@RequestParam("dataId") String dataId,
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@RequestParam(value = "group", required = false) String group) throws NacosException {
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if (StringUtils.isEmpty(group)) {
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group = DEFAULT_GROUP;
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}
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ConfigService configService = nacosConfigManager.getConfigService();
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return configService.removeConfig(dataId, group);
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}
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/**
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* Add listener configuration information
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*
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* @param dataId
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* @param group
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* @throws NacosException
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*/
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@RequestMapping("listener")
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public String listenerConfig(@RequestParam("dataId") String dataId,
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@RequestParam(value = "group", required = false) String group) throws NacosException {
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if (StringUtils.isEmpty(group)) {
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group = DEFAULT_GROUP;
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}
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ConfigService configService = nacosConfigManager.getConfigService();
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configService.addListener(dataId, group, new Listener() {
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@Override
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public Executor getExecutor() {
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return null;
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}
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@Override
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public void receiveConfigInfo(String configInfo) {
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System.out.println("[Listen for configuration changes]:" + configInfo);
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}
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});
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return "Add Lister successfully!";
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}
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}
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/*
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* Copyright 2013-2022 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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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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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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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 com.alibaba.cloud.examples.example;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.cloud.context.config.annotation.RefreshScope;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RestController;
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import java.util.HashMap;
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import java.util.Map;
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/**
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* Use the @Value annotation to get configuration example
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*
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* @author lixiaoshuang
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*/
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@RestController
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@RequestMapping("/nacos/annotation")
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@RefreshScope
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public class ValueAnnotationExample {
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@Value("${spring.cloud.nacos.config.serveraddr:}")
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private String serveraddr;
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@Value("${spring.cloud.nacos.config.prefix:}")
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private String prefix;
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@Value("${spring.cloud.nacos.config.group:}")
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private String group;
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@Value("${spring.cloud.nacos.config.namespace:}")
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private String namespace;
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@GetMapping
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public Map<String, String> getConfigInfo() {
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Map<String, String> result = new HashMap<>();
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result.put("serveraddr", serveraddr);
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result.put("prefix", prefix);
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result.put("group", group);
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result.put("namespace", namespace);
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return result;
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}
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}
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/*
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* Copyright 2013-2018 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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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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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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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 com.alibaba.cloud.examples.model;
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import org.springframework.boot.context.properties.ConfigurationProperties;
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import org.springframework.cloud.context.config.annotation.RefreshScope;
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@ConfigurationProperties(prefix = "spring.cloud.nacos.config")
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@RefreshScope
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public class NacosConfigInfo {
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/**
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* Nacos server address
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*/
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private String serveraddr;
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/**
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* Data Id prefix
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*/
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private String prefix;
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/**
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* Nacos group
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*/
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private String group;
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/**
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* Nacos namespace
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*/
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private String namespace;
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public String getServeraddr() {
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return serveraddr;
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}
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public void setServeraddr(String serveraddr) {
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this.serveraddr = serveraddr;
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}
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public String getPrefix() {
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return prefix;
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}
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public void setPrefix(String prefix) {
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this.prefix = prefix;
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}
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public String getGroup() {
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return group;
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}
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public void setGroup(String group) {
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this.group = group;
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}
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public String getNamespace() {
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return namespace;
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}
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public void setNamespace(String namespace) {
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this.namespace = namespace;
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}
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}
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