content: /*
   * Copyright 1999-2018 Alibaba Group Holding Ltd.
   *
   * 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.alibaba.nacos.config.server.service.dump.processor;
  
  import com.alibaba.nacos.common.task.NacosTask;
  import com.alibaba.nacos.common.task.NacosTaskProcessor;
  import com.alibaba.nacos.common.utils.StringUtils;
  import com.alibaba.nacos.config.server.model.ConfigInfoGrayWrapper;
  import com.alibaba.nacos.config.server.model.ConfigInfoWrapper;
  import com.alibaba.nacos.config.server.model.event.ConfigDumpEvent;
  import com.alibaba.nacos.config.server.service.dump.DumpConfigHandler;
  import com.alibaba.nacos.config.server.service.dump.task.DumpTask;
  import com.alibaba.nacos.config.server.service.repository.ConfigInfoGrayPersistService;
  import com.alibaba.nacos.config.server.service.repository.ConfigInfoPersistService;
  import com.alibaba.nacos.config.server.utils.GroupKey2;
  import com.alibaba.nacos.config.server.utils.LogUtil;
  
  import java.util.Objects;
  
  /**
   * dump processor.
   *
   * @author Nacos
   * @date 2020/7/5 12:19 PM
   */
  public class DumpProcessor implements NacosTaskProcessor {
      
      final ConfigInfoPersistService configInfoPersistService;
      
      final ConfigInfoGrayPersistService configInfoGrayPersistService;
      
      public DumpProcessor(ConfigInfoPersistService configInfoPersistService,
              ConfigInfoGrayPersistService configInfoGrayPersistService) {
          this.configInfoPersistService = configInfoPersistService;
          this.configInfoGrayPersistService = configInfoGrayPersistService;
      }
      
      @Override
      public boolean process(NacosTask task) {
          DumpTask dumpTask = (DumpTask) task;
          String[] pair = GroupKey2.parseKey(dumpTask.getGroupKey());
          String dataId = pair[0];
          String group = pair[1];
          String tenant = pair[2];
          long lastModifiedOut = dumpTask.getLastModified();
          String handleIp = dumpTask.getHandleIp();
          String grayName = dumpTask.getGrayName();
          
          ConfigDumpEvent.ConfigDumpEventBuilder build = ConfigDumpEvent.builder().namespaceId(tenant).dataId(dataId)
                  .group(group).grayName(grayName).handleIp(handleIp);
          String type = "formal";
          if (StringUtils.isNotBlank(grayName)) {
              type = grayName;
          }
          LogUtil.DUMP_LOG.info("[dump] process {} task. groupKey={}", type, dumpTask.getGroupKey());
          
          if (StringUtils.isNotBlank(grayName)) {
              ConfigInfoGrayWrapper cf = configInfoGrayPersistService.findConfigInfo4Gray(dataId, group, tenant,
                      grayName);
              build.remove(Objects.isNull(cf));
              build.content(Objects.isNull(cf) ? null : cf.getContent());
              build.type(Objects.isNull(cf) ? null : cf.getType());
              build.encryptedDataKey(Objects.isNull(cf) ? null : cf.getEncryptedDataKey());
              build.lastModifiedTs(Objects.isNull(cf) ? lastModifiedOut : cf.getLastModified());
              build.grayName(grayName);
              build.grayRule(Objects.isNull(cf) ? null : cf.getGrayRule());
              return DumpConfigHandler.configDump(build.build());
          }
          
          ConfigInfoWrapper cf = configInfoPersistService.findConfigInfo(dataId, group, tenant);
          build.remove(Objects.isNull(cf));
          build.content(Objects.isNull(cf) ? null : cf.getContent());
          build.type(Objects.isNull(cf) ? null : cf.getType());
          build.encryptedDataKey(Objects.isNull(cf) ? null : cf.getEncryptedDataKey());
          build.lastModifiedTs(Objects.isNull(cf) ? lastModifiedOut : cf.getLastModified());
          return DumpConfigHandler.configDump(build.build());
          
      }
  }
  