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 com.aliyun.openservices.odps.console.pub;
  
  import java.io.PrintStream;
  import java.util.Map;
  
  import org.apache.commons.lang.WordUtils;
  
  import com.aliyun.odps.Instance;
  import com.aliyun.odps.Instance.TaskStatus;
  import com.aliyun.odps.Odps;
  import com.aliyun.odps.OdpsException;
  import com.aliyun.openservices.odps.console.ExecutionContext;
  import com.aliyun.openservices.odps.console.ODPSConsoleException;
  import com.aliyun.openservices.odps.console.commands.AbstractCommand;
  import com.aliyun.openservices.odps.console.common.InstanceContext;
  import com.aliyun.openservices.odps.console.common.JobDetailInfo;
  import com.aliyun.openservices.odps.console.constants.ODPSConsoleConstants;
  import com.aliyun.openservices.odps.console.utils.ConnectionCreator;
  
  public class StatusOfInstanceCommand extends AbstractCommand {
  
    public static final String[] HELP_TAGS = new String[]{"status", "instance"};
  
    public static void printUsage(PrintStream stream) {
      stream.println("Usage: status [extended] <instanceID>");
    }
  
    private String instanceId;
    private boolean extended;
  
    private InstanceContext instanceContext;
  
    public StatusOfInstanceCommand(String instanceId, String commandText, ExecutionContext context,
                                   boolean extended, InstanceContext instanceContext) {
      super(commandText, context);
      this.instanceId = instanceId;
      this.extended = extended;
      this.instanceContext = instanceContext;
    }
  
    @Override
    public void run() throws OdpsException, ODPSConsoleException {
      Odps odps = getCurrentOdps();
  
      if (extended == false) {
        Instance inst = odps.instances().get(instanceId);
  
        String instStatus = inst.getStatus().toString();
        instStatus = WordUtils.capitalizeFully(instStatus);
        getWriter().writeResult("Instance status = " + instStatus);
  
        Map<String, TaskStatus> taskStatus = inst.getTaskStatus();
        for (TaskStatus task : taskStatus.values()) {
          String taskName = task.getName();
          String status = task.getStatus().toString();
          status = WordUtils.capitalizeFully(status);
          // 打印出status, 打出task的执行状态
          getWriter().writeResult("Task = " + taskName + ", status = " + status);
        }
      } else {
        JobDetailInfo jobDetailInfo = new JobDetailInfo(instanceContext);
        jobDetailInfo.printJobDetails();
      }
    }
  
    public static StatusOfInstanceCommand parse(String command, ExecutionContext session)
        throws ODPSConsoleException, OdpsException {
  
      if (command.toUpperCase().matches("\\s*STATUS\\s+EXTENDED\\s+.*")) {
  
        command = command.trim();
        String str[] = command.split("\\s+");
        if (str.length != 3) {
            throw new ODPSConsoleException(ODPSConsoleConstants.BAD_COMMAND);
        }
  
        InstanceContext instanceContext = new InstanceContext();
        if (instanceContext.getConn() == null) {
          ConnectionCreator tmpCC = new ConnectionCreator();
          instanceContext.setConn(tmpCC.create(session));
        }
        instanceContext.setSession(session);
        instanceContext.setProjectByName(session.getProjectName());
  
        instanceContext.setInstanceById(str[2]);
        StatusOfInstanceCommand comm = new StatusOfInstanceCommand(str[2], command, session, true, instanceContext);
        return comm;
  
      } else if (command.toUpperCase().matches("\\s*STATUS\\s+.*")) {
        command = command.trim();
        String str[] = command.split("\\s+");
        if (str.length == 3) {
            return null;
        }
        if (str.length != 2) {
            throw new ODPSConsoleException(ODPSConsoleConstants.BAD_COMMAND);
        }
        return new StatusOfInstanceCommand(str[1], command, session, false, null);
      }
      return null;
    }
  }
  