001/*
002 *
003 * Licensed to the Apache Software Foundation (ASF) under one
004 * or more contributor license agreements.  See the NOTICE file
005 * distributed with this work for additional information
006 * regarding copyright ownership.  The ASF licenses this file
007 * to you under the Apache License, Version 2.0 (the
008 * "License"); you may not use this file except in compliance
009 * with the License.  You may obtain a copy of the License at
010 *
011 *     http://www.apache.org/licenses/LICENSE-2.0
012 *
013 * Unless required by applicable law or agreed to in writing, software
014 * distributed under the License is distributed on an "AS IS" BASIS,
015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
016 * See the License for the specific language governing permissions and
017 * limitations under the License.
018 */
019
020package org.apache.hadoop.hbase.util;
021
022import org.apache.yetus.audience.InterfaceAudience;
023import org.apache.hadoop.conf.Configuration;
024import org.apache.hadoop.hbase.HBaseConfiguration;
025
026/**
027 * Tool that prints out a configuration.
028 * Pass the configuration key on the command-line.
029 */
030@InterfaceAudience.Private
031public class HBaseConfTool {
032  public static void main(String args[]) {
033    if (args.length < 1) {
034      System.err.println("Usage: HBaseConfTool <CONFIGURATION_KEY>");
035      System.exit(1);
036      return;
037    }
038
039    Configuration conf = HBaseConfiguration.create();
040    System.out.println(conf.get(args[0]));
041  }
042}