content: /*
   * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
   * (the "License"). You may not use this work except in compliance with the License, which is
   * available at www.apache.org/licenses/LICENSE-2.0
   *
   * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
   * either express or implied, as more fully set forth in the License.
   *
   * See the NOTICE file distributed with this work for information regarding copyright ownership.
   */
  
  package alluxio.fuse;
  
  import alluxio.RestUtils;
  import alluxio.conf.Configuration;
  import alluxio.util.LogUtils;
  
  import io.swagger.annotations.Api;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import javax.annotation.concurrent.NotThreadSafe;
  import javax.ws.rs.POST;
  import javax.ws.rs.Path;
  import javax.ws.rs.Produces;
  import javax.ws.rs.QueryParam;
  import javax.ws.rs.core.MediaType;
  import javax.ws.rs.core.Response;
  
  /**
   * This class is a REST handler for requesting general FUSE information.
   */
  @NotThreadSafe
  @Api(value = "/fuse", description = "Alluxio FUSE Rest Service")
  @Path(AlluxioFuseRestServiceHandler.SERVICE_PREFIX)
  @Produces(MediaType.APPLICATION_JSON)
  public class AlluxioFuseRestServiceHandler {
    private static final Logger LOG = LoggerFactory.getLogger(AlluxioFuseRestServiceHandler.class);
  
    public static final String SERVICE_PREFIX = "fuse";
  
    // log
    public static final String LOG_LEVEL = "logLevel";
    public static final String LOG_ARGUMENT_NAME = "logName";
    public static final String LOG_ARGUMENT_LEVEL = "level";
  
    /**
     * @summary set the Alluxio log information
     * @param logName the log's name
     * @param level the log level
     * @return the response object
     */
    @POST
    @Path(LOG_LEVEL)
    public Response logLevel(@QueryParam(LOG_ARGUMENT_NAME) final String logName,
        @QueryParam(LOG_ARGUMENT_LEVEL) final String level) {
      return RestUtils.call(() -> LogUtils.setLogLevel(logName, level), Configuration.global());
    }
  }
  