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 org.apache.commons.lang.StringUtils;
  
  import com.aliyun.odps.Odps;
  import com.aliyun.odps.OdpsException;
  import com.aliyun.odps.security.SecurityManager;
  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.utils.ODPSConsoleUtils;
  import com.google.gson.JsonObject;
  import com.google.gson.JsonParseException;
  import com.google.gson.JsonParser;
  
  public class WhoamiCommand extends AbstractCommand {
  
    public static final String[] HELP_TAGS = new String[]{"whoami", "who"};
  
    public static void printUsage(PrintStream stream) {
      stream.println("Usage: whoami");
    }
  
    @Override
    public void run() throws OdpsException, ODPSConsoleException {
  
      Odps odps = getCurrentOdps();
      SecurityManager sm = odps.projects().get().getSecurityManager();
      String result = sm.runQuery(getCommandText(), false);
      cOutWhoami(result);
    }
  
    protected void cOutWhoami(String jsonResult) throws ODPSConsoleException {
  
      try {
        JsonObject js = new JsonParser().parse(jsonResult).getAsJsonObject();
  
        if (js.has("DisplayName")) {
          getWriter().writeResult("Name: " + js.get("DisplayName").getAsString());
        }
        if (js.has("SourceIP")) {
          getWriter().writeResult("Source IP: " + js.get("SourceIP").getAsString());
        }
        if (js.has("VpcId")) {
          getWriter().writeResult("VPC ID: " + js.get("VpcId").getAsString());
        }
  
        getWriter().writeResult("End_Point: " + getContext().getEndpoint());
        if (!StringUtils.isBlank(getContext().getTunnelEndpoint())) {
          getWriter().writeResult("Tunnel_End_Point: " + getContext().getTunnelEndpoint());
        }
  
        getWriter().writeResult("Project: " + getContext().getProjectName());
  
        if (getContext().isSchemaMode()) {
          getWriter().writeResult("Schema: " + ODPSConsoleUtils.getDisplaySchema(getContext()));
        }
      } catch (JsonParseException e) {
        throw new ODPSConsoleException("parse whoami error:" + e.getMessage());
      }
    }
  
    public WhoamiCommand(String commandText, ExecutionContext context) {
      super(commandText, context);
    }
  
    /**
     * 通过传递的参数，解析出对应的command
     * **/
    public static WhoamiCommand parse(String commandString, ExecutionContext sessionContext) {
  
      // 不处理set语句
      if (commandString.trim().toUpperCase().equals("WHOAMI")) {
        return new WhoamiCommand(commandString, sessionContext);
      }
  
      return null;
    }
  }
  