content: /*
   * 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 com.github.jobson.commands;
  
  import io.dropwizard.Configuration;
  import io.dropwizard.cli.ConfiguredCommand;
  import net.sourceforge.argparse4j.inf.Subparser;
  
  import static com.github.jobson.Constants.WORKSPACE_CONFIG_FILENAME;
  
  /**
   * By default, Dropwizard's ConfiguredCommand will create a default instance
   * of an application configuration if a user does not provide one. Instead,
   * what I want is for it to default to a convention.
   */
  public abstract class DefaultedConfiguredCommand<T extends Configuration> extends ConfiguredCommand<T> {
  
      protected DefaultedConfiguredCommand(String name, String description) {
          super(name, description);
      }
  
      @Override
      public void configure(Subparser subparser) {
          subparser.setDefault("file", WORKSPACE_CONFIG_FILENAME);
  
          subparser.addArgument("file")
                  .nargs("?")
                  .setDefault(WORKSPACE_CONFIG_FILENAME)
                  .help("application configuration file");
      }
  }
  