Clean.java

package org.smoothbuild.cli;

import static org.smoothbuild.SmoothConstants.EXIT_CODE_ERROR;
import static org.smoothbuild.SmoothConstants.EXIT_CODE_SUCCESS;
import static org.smoothbuild.SmoothConstants.SMOOTH_DIR;

import java.util.List;

import javax.inject.Inject;

import org.smoothbuild.io.fs.base.FileSystem;
import org.smoothbuild.io.fs.base.FileSystemException;

import com.google.common.collect.ImmutableList;
import com.google.common.collect.Iterables;

public class Clean {
  private final FileSystem fileSystem;
  private final Console console;

  @Inject
  public Clean(FileSystem fileSystem, Console console) {
    this.fileSystem = fileSystem;
    this.console = console;
  }

  public int run(String... args) {
    List<String> unknownArgs = ImmutableList.copyOf(args).subList(1, args.length);
    if (!unknownArgs.isEmpty()) {
      console.error("Unknown arguments: " + Iterables.toString(unknownArgs));
      return EXIT_CODE_ERROR;
    }
    try {
      fileSystem.delete(SMOOTH_DIR);
    } catch (FileSystemException e) {
      console.error(e.getMessage());
      return EXIT_CODE_ERROR;
    }
    return EXIT_CODE_SUCCESS;
  }
}