content: package com.ctrip.framework.apollo.portal.controller;
  
  import com.google.common.base.Splitter;
  
  import com.ctrip.framework.apollo.common.dto.InstanceDTO;
  import com.ctrip.framework.apollo.common.dto.PageDTO;
  import com.ctrip.framework.apollo.common.exception.BadRequestException;
  import com.ctrip.framework.apollo.core.enums.Env;
  import com.ctrip.framework.apollo.portal.entity.vo.Number;
  import com.ctrip.framework.apollo.portal.service.InstanceService;
  
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.http.ResponseEntity;
  import org.springframework.util.CollectionUtils;
  import org.springframework.web.bind.annotation.PathVariable;
  import org.springframework.web.bind.annotation.RequestMapping;
  import org.springframework.web.bind.annotation.RequestMethod;
  import org.springframework.web.bind.annotation.RequestParam;
  import org.springframework.web.bind.annotation.RestController;
  
  import java.util.List;
  import java.util.Set;
  import java.util.stream.Collectors;
  
  @RestController
  public class InstanceController {
  
      private static final Splitter RELEASES_SPLITTER = Splitter.on(",").omitEmptyStrings()
          .trimResults();
  
      @Autowired
      private InstanceService instanceService;
  
      @RequestMapping(value = "/envs/{env}/instances/by-release", method = RequestMethod.GET)
      public PageDTO<InstanceDTO> getByRelease(@PathVariable String env, @RequestParam long releaseId,
                                               @RequestParam(defaultValue = "0") int page,
                                               @RequestParam(defaultValue = "20") int size) {
  
          return instanceService.getByRelease(Env.valueOf(env), releaseId, page, size);
      }
  
      @RequestMapping(value = "/envs/{env}/instances/by-namespace", method = RequestMethod.GET)
      public PageDTO<InstanceDTO> getByNamespace(@PathVariable String env, @RequestParam String appId,
                                                 @RequestParam String clusterName, @RequestParam String namespaceName,
                                                 @RequestParam(required = false) String instanceAppId,
                                                 @RequestParam(defaultValue = "0") int page,
                                                 @RequestParam(defaultValue = "20") int size) {
  
          return instanceService.getByNamespace(Env.valueOf(env), appId, clusterName, namespaceName, instanceAppId, page, size);
      }
  
      @RequestMapping(value = "/envs/{env}/instances/by-namespace/count", method = RequestMethod.GET)
      public ResponseEntity<Number> getInstanceCountByNamespace(@PathVariable String env, @RequestParam String appId,
                                                                @RequestParam String clusterName,
                                                                @RequestParam String namespaceName) {
  
          int count = instanceService.getInstanceCountByNamepsace(appId, Env.valueOf(env), clusterName, namespaceName);
          return ResponseEntity.ok(new Number(count));
      }
  
      @RequestMapping(value = "/envs/{env}/instances/by-namespace-and-releases-not-in", method = RequestMethod.GET)
      public List<InstanceDTO> getByReleasesNotIn(@PathVariable String env, @RequestParam String appId,
                                                  @RequestParam String clusterName, @RequestParam String namespaceName,
                                                  @RequestParam String releaseIds) {
  
          Set<Long> releaseIdSet = RELEASES_SPLITTER.splitToList(releaseIds).stream().map(Long::parseLong)
              .collect(Collectors.toSet());
  
          if (CollectionUtils.isEmpty(releaseIdSet)) {
              throw new BadRequestException("release ids can not be empty");
          }
  
          return instanceService.getByReleasesNotIn(Env.valueOf(env), appId, clusterName, namespaceName, releaseIdSet);
      }
  
  
  }
  