content: package com.ctrip.framework.apollo.adminservice.controller;
  
  import com.ctrip.framework.apollo.biz.service.AdminService;
  import com.ctrip.framework.apollo.biz.service.AppService;
  import com.ctrip.framework.apollo.common.dto.AppDTO;
  import com.ctrip.framework.apollo.common.entity.App;
  import com.ctrip.framework.apollo.common.exception.BadRequestException;
  import com.ctrip.framework.apollo.common.exception.NotFoundException;
  import com.ctrip.framework.apollo.common.utils.BeanUtils;
  import com.ctrip.framework.apollo.common.utils.InputValidator;
  import com.ctrip.framework.apollo.core.utils.StringUtils;
  
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.data.domain.Pageable;
  import org.springframework.web.bind.annotation.PathVariable;
  import org.springframework.web.bind.annotation.RequestBody;
  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.Objects;
  
  @RestController
  public class AppController {
  
    @Autowired
    private AppService appService;
  
    @Autowired
    private AdminService adminService;
  
    @RequestMapping(path = "/apps", method = RequestMethod.POST)
    public AppDTO create(@RequestBody AppDTO dto) {
      if (!InputValidator.isValidClusterNamespace(dto.getAppId())) {
        throw new BadRequestException(String.format("AppId格式错误: %s", InputValidator.INVALID_CLUSTER_NAMESPACE_MESSAGE));
      }
      App entity = BeanUtils.transfrom(App.class, dto);
      App managedEntity = appService.findOne(entity.getAppId());
      if (managedEntity != null) {
        throw new BadRequestException("app already exist.");
      }
  
      entity = adminService.createNewApp(entity);
  
      dto = BeanUtils.transfrom(AppDTO.class, entity);
      return dto;
    }
  
    @RequestMapping(value = "/apps/{appId:.+}", method = RequestMethod.DELETE)
    public void delete(@PathVariable("appId") String appId, @RequestParam String operator) {
      App entity = appService.findOne(appId);
      if (entity == null) {
        throw new NotFoundException("app not found for appId " + appId);
      }
      appService.delete(entity.getId(), operator);
    }
  
    @RequestMapping(value = "/apps/{appId:.+}", method = RequestMethod.PUT)
    public void update(@PathVariable String appId, @RequestBody App app) {
      if (!Objects.equals(appId, app.getAppId())) {
        throw new BadRequestException("The App Id of path variable and request body is different");
      }
  
      appService.update(app);
    }
  
    @RequestMapping(value = "/apps", method = RequestMethod.GET)
    public List<AppDTO> find(@RequestParam(value = "name", required = false) String name,
                             Pageable pageable) {
      List<App> app = null;
      if (StringUtils.isBlank(name)) {
        app = appService.findAll(pageable);
      } else {
        app = appService.findByName(name);
      }
      return BeanUtils.batchTransform(AppDTO.class, app);
    }
  
    @RequestMapping(value = "/apps/{appId:.+}", method = RequestMethod.GET)
    public AppDTO get(@PathVariable("appId") String appId) {
      App app = appService.findOne(appId);
      if (app == null) {
        throw new NotFoundException("app not found for appId " + appId);
      }
      return BeanUtils.transfrom(AppDTO.class, app);
    }
  
    @RequestMapping(value = "/apps/{appId}/unique", method = RequestMethod.GET)
    public boolean isAppIdUnique(@PathVariable("appId") String appId) {
      return appService.isAppIdUnique(appId);
    }
  
  }
  