001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.juneau.microservice.console;
018
019import java.io.*;
020import java.util.*;
021
022import org.apache.juneau.collections.*;
023import org.apache.juneau.config.*;
024import org.apache.juneau.cp.*;
025import org.apache.juneau.microservice.*;
026
027/**
028 * Implements the 'config' console command to get or set configuration.
029 *
030 * <h5 class='section'>See Also:</h5><ul>
031 *    <li class='link'><a class="doclink" href="https://juneau.apache.org/docs/topics/JuneauMicroserviceCoreBasics">juneau-microservice-core Basics</a>
032 * </ul>
033 */
034public class ConfigCommand extends ConsoleCommand {
035
036   private final Messages mb = Messages.of(ConfigCommand.class, "Messages");
037
038   @Override /* ConsoleCommand */
039   public String getName() {
040      return "config";
041   }
042
043   @Override /* ConsoleCommand */
044   public String getSynopsis() {
045      return "config [get|set]";
046   }
047
048   @Override /* ConsoleCommand */
049   public String getInfo() {
050      return mb.getString("info");
051   }
052
053   @Override /* ConsoleCommand */
054   public String getDescription() {
055      return mb.getString("description");
056   }
057
058   @Override /* ConsoleCommand */
059   public boolean execute(Scanner in, PrintWriter out, Args args) {
060      Config conf = Microservice.getInstance().getConfig();
061      if (args.size() > 2) {
062         String option = args.getArg(1);
063         String key = args.getArg(2);
064         if (option.equals("get")) {
065            // config get <key>
066            if (args.size() == 3) {
067               String val = conf.get(key).orElse(null);
068               if (val != null)
069                  out.println(val);
070               else
071                  out.println(mb.getString("KeyNotFound", key));
072            } else {
073               out.println(mb.getString("TooManyArguments"));
074            }
075         } else if (option.equals("set")) {
076            // config set <key> <value>
077            if (args.size() == 4) {
078               conf.set(key, args.getArg(3));
079               out.println(mb.getString("ConfigSet"));
080            } else if (args.size() < 4) {
081               out.println(mb.getString("InvalidArguments"));
082            } else {
083               out.println(mb.getString("TooManyArguments"));
084            }
085         } else if (option.equals("remove")) {
086            // config remove <key>
087            if (args.size() == 3) {
088               if (conf.get(key).isPresent()) {
089                  conf.remove(key);
090                  out.println(mb.getString("ConfigRemove", key));
091               } else {
092                  out.println(mb.getString("KeyNotFound", key));
093               }
094            } else {
095               out.println(mb.getString("TooManyArguments"));
096            }
097         } else {
098            out.println(mb.getString("InvalidArguments"));
099         }
100      } else {
101         out.println(mb.getString("InvalidArguments"));
102      }
103      return false;
104   }
105}