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/*
 * Original Author -> Harry Yang ([email protected]) https://taketoday.cn
 * Copyright © Harry Yang & 2017 - 2023 All Rights Reserved.
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see [http://www.gnu.org/licenses/]
 */

package cn.taketoday.infra.maven;

import org.codehaus.plexus.util.cli.CommandLineUtils;

import java.util.Arrays;
import java.util.Deque;
import java.util.LinkedList;
import java.util.Objects;

/**
 * Parse and expose arguments specified in a single string.
 *
 * @author Stephane Nicoll
 * @author Harry Yang
 * @since 4.0
 */
class RunArguments {

  private static final String[] NO_ARGS = {};

  private final Deque args = new LinkedList<>();

  RunArguments(String arguments) {
    this(parseArgs(arguments));
  }

  RunArguments(String[] args) {
    if (args != null) {
      Arrays.stream(args).filter(Objects::nonNull).forEach(this.args::add);
    }
  }

  Deque getArgs() {
    return this.args;
  }

  String[] asArray() {
    return this.args.toArray(new String[0]);
  }

  private static String[] parseArgs(String arguments) {
    if (arguments == null || arguments.trim().isEmpty()) {
      return NO_ARGS;
    }
    try {
      arguments = arguments.replace('\n', ' ').replace('\t', ' ');
      return CommandLineUtils.translateCommandline(arguments);
    }
    catch (Exception ex) {
      throw new IllegalArgumentException("Failed to parse arguments [" + arguments + "]", ex);
    }
  }

}