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.bookkeeper.stream.cli.commands.table;
  
  import static com.google.common.base.Preconditions.checkArgument;
  import static org.apache.bookkeeper.common.concurrent.FutureUtils.result;
  import static org.apache.bookkeeper.stream.cli.Commands.OP_GET;
  
  import org.apache.bookkeeper.clients.admin.StorageAdminClient;
  import org.apache.bookkeeper.clients.exceptions.NamespaceNotFoundException;
  import org.apache.bookkeeper.clients.exceptions.StreamNotFoundException;
  import org.apache.bookkeeper.stream.cli.commands.AdminCommand;
  import org.apache.bookkeeper.stream.cli.commands.table.GetTableCommand.Flags;
  import org.apache.bookkeeper.stream.proto.StorageType;
  import org.apache.bookkeeper.stream.proto.StreamProperties;
  import org.apache.bookkeeper.tools.common.BKFlags;
  import org.apache.bookkeeper.tools.framework.CliFlags;
  import org.apache.bookkeeper.tools.framework.CliSpec;
  
  /**
   * Command to create a namespace.
   */
  public class GetTableCommand extends AdminCommand<Flags> {
  
      private static final String NAME = OP_GET;
      private static final String DESC = "Get the details of a table";
  
      /**
       * Flags for the create table command.
       */
      public static class Flags extends CliFlags {
      }
  
      public GetTableCommand() {
          super(CliSpec.<Flags>newBuilder()
              .withName(NAME)
              .withDescription(DESC)
              .withFlags(new Flags())
              .withArgumentsUsage("<table-name>")
              .build());
      }
  
      @Override
      protected void run(StorageAdminClient admin,
                         BKFlags globalFlags,
                         Flags flags) throws Exception {
          checkArgument(!flags.arguments.isEmpty(),
              "Table name is not provided");
  
          String streamName = flags.arguments.get(0);
  
          try {
              StreamProperties streamProps = result(
                  admin.getStream(
                      globalFlags.namespace,
                      streamName));
              if (streamProps.getStreamConf().getStorageType() != StorageType.TABLE) {
                  spec.console().println("'" + streamName + "' is not a table storage entity, its storage type is "
                      + streamProps.getStreamConf().getStorageType());
              } else {
                  spec.console().println("Table '" + streamName + "' :");
              }
              spec.console().println(streamProps);
          } catch (NamespaceNotFoundException nfe) {
              spec.console().println("Namespace '" + globalFlags.namespace + "' does not exist");
          } catch (StreamNotFoundException snfe) {
              spec.console().println("Table '" + streamName + "' does not exist");
          }
      }
  
  }
  