1 /*
2 * Copyright 2010 The Apache Software Foundation
3 *
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 */
20
21 package org.apache.hadoop.hbase.util;
22
23 import org.apache.hadoop.conf.Configuration;
24 import org.apache.hadoop.hbase.HBaseConfiguration;
25
26 /**
27 * Tool that prints out a configuration.
28 * Pass the configuration key on the command-line.
29 */
30 public class HBaseConfTool {
31 public static void main(String args[]) {
32 if (args.length < 1) {
33 System.err.println("Usage: HBaseConfTool <CONFIGURATION_KEY>");
34 System.exit(1);
35 return;
36 }
37
38 Configuration conf = HBaseConfiguration.create();
39 System.out.println(conf.get(args[0]));
40 }
41 }