| /** |
| * 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.nutch.tools; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Map.Entry; |
| |
| import org.apache.nutch.util.NutchConfiguration; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.conf.Configured; |
| import org.apache.hadoop.util.Tool; |
| import org.apache.hadoop.util.ToolRunner; |
| |
| /** |
| * Tool to list properties and their values set by the current Nutch |
| * configuration |
| */ |
| public class ShowProperties extends Configured implements Tool { |
| |
| private String format3cols = "%-32s %24s %20s"; |
| |
| @Override |
| public int run(String[] arg0) { |
| Configuration conf = getConf(); |
| List<Entry<String, String>> list = new ArrayList<>(); |
| conf.iterator().forEachRemaining(list::add); |
| Collections.sort(list, (a, b) -> a.getKey().compareTo(b.getKey())); |
| System.out.println( |
| String.format(format3cols, "conf.name", "conf.value", "substituted.value")); |
| System.out.println( |
| "================================================================================"); |
| for (Entry<String, String> e : list) { |
| String key = e.getKey(); |
| String val = e.getValue(); |
| String substitutedVal = conf.get(key); |
| if (val.equals(substitutedVal)) { |
| String format = String.format("%%-%ds %%%ds", key.length(), |
| (80 - 2 - key.length())); |
| System.out.println(String.format(format, key, val)); |
| } else { |
| String format = String.format("%%-%ds %%%ds %%18s", key.length(), |
| (60 - 2 - key.length())); |
| System.out |
| .println(String.format(format, key, val, substitutedVal)); |
| } |
| } |
| return 0; |
| } |
| |
| public static void main(String[] args) throws Exception { |
| System.exit(ToolRunner.run(NutchConfiguration.create(), |
| new ShowProperties(), args)); |
| } |
| |
| } |