content: /**
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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 org.apache.ambari.view.commons.hdfs;
  
  import org.apache.ambari.view.ViewContext;
  import org.apache.ambari.view.commons.exceptions.NotFoundFormattedException;
  import org.apache.ambari.view.commons.exceptions.ServiceFormattedException;
  import org.apache.ambari.view.utils.hdfs.HdfsApi;
  
  import javax.ws.rs.GET;
  import javax.ws.rs.Path;
  import javax.ws.rs.Produces;
  import javax.ws.rs.WebApplicationException;
  import javax.ws.rs.core.MediaType;
  import javax.ws.rs.core.Response;
  import java.io.FileNotFoundException;
  import java.util.Map;
  
  /**
   * User related info service
   */
  public class UserService extends HdfsService {
  
    /**
     * Constructor
     * @param context View Context instance
     */
    public UserService(ViewContext context) {
      super(context);
    }
  
    /**
     * takes context and any extra custom properties that needs to be included into config
     * @param context
     * @param customProperties
     */
    public UserService(ViewContext context, Map<String, String> customProperties) {
      super(context, customProperties);
    }
  
    /**
     * Returns home directory
     * @return home directory
     */
    @GET
    @Path("/home")
    @Produces(MediaType.APPLICATION_JSON)
    public Response homeDir() {
      try {
        HdfsApi api = getApi();
        return Response
          .ok(getApi().fileStatusToJSON(api.getFileStatus(api.getHomeDir()
            .toString()))).build();
      } catch (WebApplicationException ex) {
        throw ex;
      } catch (Exception ex) {
        throw new ServiceFormattedException(ex.getMessage(), ex);
      }
    }
  
    /**
     * Is trash enabled
     * @return is trash enabled
     */
    @GET
    @Path("/trash/enabled")
    @Produces(MediaType.APPLICATION_JSON)
    public Response trashEnabled() {
      try {
        HdfsApi api = getApi();
        return Response.ok(new FileOperationResult(api.trashEnabled())).build();
      } catch (WebApplicationException ex) {
        throw ex;
      } catch (Exception ex) {
        throw new ServiceFormattedException(ex.getMessage(), ex);
      }
    }
  
    /**
     * Trash dir
     * @return trash dir
     */
    @GET
    @Path("/trashDir")
    @Produces(MediaType.APPLICATION_JSON)
    public Response trashdir() {
      try {
        HdfsApi api = getApi();
        return Response.ok(
          getApi().fileStatusToJSON(api.getFileStatus(api.getTrashDir()
            .toString()))).build();
      } catch (WebApplicationException ex) {
        throw ex;
      } catch (FileNotFoundException ex) {
        throw new NotFoundFormattedException(ex.getMessage(), ex);
      } catch (Exception ex) {
        throw new ServiceFormattedException(ex.getMessage(), ex);
      }
    }
  }
  