config_value.java

/**
 * 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 backtype.storm.command;

import java.security.InvalidParameterException;
import java.util.Map;

import backtype.storm.utils.NimbusClient;
import backtype.storm.utils.Utils;

/**
 * Get configuration
 * 
 * @author longda
 * 
 */
public class config_value {

    public static void main(String[] args) {
        if (args == null || args.length == 0) {
            throw new InvalidParameterException("Should input key name");
        }

        String key = args[0];
        Map conf = Utils.readStormConfig();
        System.out.print("VALUE: " + String.valueOf(conf.get(key)));
    }

}