/*
    * 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.maven.wrapper.cli;
  
  import java.util.HashMap;
  import java.util.Map;
  
  /**
   * Converter form properties.
   */
  public abstract class AbstractPropertiesCommandLineConverter extends AbstractCommandLineConverter<Map<String, String>> {
      protected abstract String getPropertyOption();
  
      protected abstract String getPropertyOptionDetailed();
  
      protected abstract String getPropertyOptionDescription();
  
      public void configure(CommandLineParser parser) {
          CommandLineOption option = parser.option(getPropertyOption(), getPropertyOptionDetailed());
          option = option.hasArguments();
          option.hasDescription(getPropertyOptionDescription());
      }
  
      protected Map<String, String> newInstance() {
          return new HashMap<>();
      }
  
      public Map<String, String> convert(ParsedCommandLine options, Map<String, String> properties)
              throws CommandLineArgumentException {
          for (String keyValueExpression : options.option(getPropertyOption()).getValues()) {
              int pos = keyValueExpression.indexOf("=");
              if (pos < 0) {
                  properties.put(keyValueExpression, "");
              } else {
                  properties.put(keyValueExpression.substring(0, pos), keyValueExpression.substring(pos + 1));
              }
          }
          return properties;
      }
  }