/*
 * 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 org.apache.kylin.storage.hbase.util;

import java.io.IOException;
import java.util.Map;
import java.util.Properties;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.HBaseConfiguration;

/**
 */
public class PrintHBaseConfig {

    public static void main(String[] args) throws IOException {
        MyConfig config = new MyConfig(HBaseConfiguration.create());
        
        if (args.length == 0) {
            for (Map.Entry<Object, Object> item : config.getProps().entrySet()) {
                System.out.println(item.getKey() + "=" + item.getValue());
            }
            System.exit(0);
        }

        if (args.length == 1) {
            System.out.println(config.get(args[0]));
            System.exit(0);
        }
        
        for (String arg : args) {
            System.out.println(arg + "=" + config.get(arg));
        }
        System.exit(0);
    }
    
    private static class MyConfig extends Configuration {
        MyConfig(Configuration other) {
            super(other);
        }
        
        protected synchronized Properties getProps() {
            return super.getProps();
        }
    }
}
