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.tools.cli.helpers;
  
  import org.apache.bookkeeper.bookie.BookieShell.Command;
  import org.apache.bookkeeper.tools.common.BKCommand;
  import org.apache.bookkeeper.tools.framework.CliFlags;
  import org.apache.commons.configuration2.CompositeConfiguration;
  import org.apache.commons.lang3.StringUtils;
  
  /**
   * This is a util class that converts new cli command to old shell command.
   */
  public class BookieShellCommand<CliFlagsT extends CliFlags> implements Command {
  
      protected final String shellCmdName;
      protected final BKCommand<CliFlagsT> bkCmd;
      protected final CompositeConfiguration conf;
  
      public BookieShellCommand(String shellCmdName,
                                BKCommand<CliFlagsT> bkCmd,
                                CompositeConfiguration conf) {
          this.shellCmdName = shellCmdName;
          this.bkCmd = bkCmd;
          this.conf = conf;
      }
  
      @Override
      public int runCmd(String[] args) throws Exception {
          return bkCmd.apply(
              shellCmdName,
              conf,
              args
          );
      }
  
      @Override
      public String description() {
          // format as org.apache.bookkeeper.bookie.BookieShell.MyCommand.description
          return StringUtils.isBlank(bkCmd.getUsage()) ? shellCmdName + " [options]" : bkCmd.getUsage();
      }
  
      @Override
      public void printUsage() {
          bkCmd.usage();
      }
  }
  