content: /*
   * Copyright 2013-2023 the original author or 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
   *
   *      https://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.cloud.nacos.endpoint;
  
  import java.text.DateFormat;
  import java.text.SimpleDateFormat;
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  import com.alibaba.cloud.nacos.NacosConfigProperties;
  import com.alibaba.cloud.nacos.NacosPropertySourceRepository;
  import com.alibaba.cloud.nacos.client.NacosPropertySource;
  import com.alibaba.cloud.nacos.refresh.NacosRefreshHistory;
  
  import org.springframework.boot.actuate.endpoint.annotation.Endpoint;
  import org.springframework.boot.actuate.endpoint.annotation.ReadOperation;
  
  /**
   * Endpoint for Nacos, contains config data and refresh history.
   *
   * @author xiaojing
   */
  @Endpoint(id = "nacosconfig")
  public class NacosConfigEndpoint {
  
  	private final NacosConfigProperties properties;
  
  	private final NacosRefreshHistory refreshHistory;
  
  	private ThreadLocal<DateFormat> dateFormat = ThreadLocal
  			.withInitial(() -> new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"));
  
  	public NacosConfigEndpoint(NacosConfigProperties properties,
  			NacosRefreshHistory refreshHistory) {
  		this.properties = properties;
  		this.refreshHistory = refreshHistory;
  	}
  
  	@ReadOperation
  	public Map<String, Object> invoke() {
  		Map<String, Object> result = new HashMap<>(16);
  		result.put("NacosConfigProperties", properties);
  
  		List<NacosPropertySource> all = NacosPropertySourceRepository.getAll();
  
  		List<Map<String, Object>> sources = new ArrayList<>();
  		for (NacosPropertySource ps : all) {
  			Map<String, Object> source = new HashMap<>(16);
  			source.put("dataId", ps.getDataId());
  			source.put("lastSynced", dateFormat.get().format(ps.getTimestamp()));
  			sources.add(source);
  		}
  		result.put("Sources", sources);
  		result.put("RefreshHistory", refreshHistory.getRecords());
  
  		return result;
  	}
  
  }
  