com.aliyun.openservices.odps.console.pub.WhoamiCommand.java Source code

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Here is the source code for com.aliyun.openservices.odps.console.pub.WhoamiCommand.java

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/*
 * 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.json.JSONException;
import org.json.JSONObject;

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;

/**
 * @author shuman.gansm
 * */
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");
    }

    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 JSONObject(jsonResult);

            if (js.has("DisplayName")) {
                getWriter().writeResult("Name: " + js.getString("DisplayName"));
            }

            getWriter().writeResult("End_Point: " + getContext().getEndpoint());
            getWriter().writeResult("Project: " + getContext().getProjectName());

        } catch (JSONException e) {
            throw new ODPSConsoleException("parse whoami error:" + e.getMessage());
        }
    }

    public WhoamiCommand(String commandText, ExecutionContext context) {
        super(commandText, context);
    }

    /**
     * ??command
     * **/
    public static WhoamiCommand parse(String commandString, ExecutionContext sessionContext) {

        // ??set?
        if (commandString.trim().toUpperCase().equals("WHOAMI")) {
            return new WhoamiCommand(commandString, sessionContext);
        }

        return null;
    }
}