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.asterix.clienthelper.commands;
  
  import java.io.IOException;
  import java.util.HashMap;
  import java.util.Map;
  import java.util.logging.Level;
  
  import org.apache.asterix.clienthelper.Args;
  
  public abstract class ClientCommand {
  
      public enum Command {
          GET_CLUSTER_STATE("Get state of cluster (errorcode 0 = ACTIVE, 1 = DOWN, 2 = UNUSABLE, 3 = OTHER)"),
          WAIT_FOR_CLUSTER("Wait for cluster to be ready (errorcode 0 = ACTIVE, non-zero = UNKNOWN)"),
          SHUTDOWN_CLUSTER("Instructs the cluster to shut down, leaving NCService processes intact"),
          SHUTDOWN_CLUSTER_ALL("Instructs the cluster to shut down, including NCService processes"),
          SLEEP("Sleep for specified -timeout seconds (-timeout must be set and greater than zero)"),
          ADD_CREDENTIAL(
                  "Generate passwd file for API endpoints that require authentication. "
                          + "-username and -password must be specified.");
  
          private final String usage;
          private static final Map<String, Command> nameMap = new HashMap<>();
  
          static {
              for (Command command : values()) {
                  nameMap.put(command.name(), command);
              }
          }
  
          Command(String usage) {
              this.usage = usage;
          }
  
          public String usage() {
              return usage;
          }
  
          public static Command valueOfSafe(String name) {
              return nameMap.get(name.toUpperCase());
          }
      }
  
      protected final Args args;
  
      public ClientCommand(Args args) {
          this.args = args;
      }
  
      @SuppressWarnings("squid:S106")
      protected void log(Level severity, String message) {
          if (!args.isQuiet()) {
              System.out.println(severity + ": " + message);
          }
      }
  
      protected void log(String message) {
          log(Level.INFO, message);
      }
  
      public abstract int execute() throws IOException;
  }
  