content: /*
   *  Copyright (C) 2010 Ryszard Wiśniewski <brut.alll@gmail.com>
   *  Copyright (C) 2010 Connor Tumbleson <connor.tumbleson@gmail.com>
   *
   *  Licensed 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
   *
   *       https://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 brut.directory;
  
  import brut.common.BrutException;
  import brut.common.InvalidUnknownFileException;
  import brut.common.RootUnknownFileException;
  import brut.common.TraversalUnknownFileException;
  import brut.util.BrutIO;
  import brut.util.OS;
  import java.io.*;
  import java.util.logging.Logger;
  
  public class DirUtil {
      private static final Logger LOGGER = Logger.getLogger("");
  
      private DirUtil() {
          // Private constructor for utility class
      }
  
      public static void copyToDir(Directory in, Directory out)
              throws DirectoryException {
          for (String fileName : in.getFiles(true)) {
              copyToDir(in, out, fileName);
          }
      }
  
      public static void copyToDir(Directory in, Directory out,
              String[] fileNames) throws DirectoryException {
          for (String fileName : fileNames) {
              copyToDir(in, out, fileName);
          }
      }
  
      public static void copyToDir(Directory in, Directory out, String fileName)
              throws DirectoryException {
          copyToDir(in, out, fileName, fileName);
      }
  
      public static void copyToDir(Directory in, Directory out, String inFile, String outFile)
              throws DirectoryException {
          try {
              if (in.containsDir(inFile)) {
                  in.getDir(inFile).copyToDir(out.createDir(outFile));
              } else {
                  BrutIO.copyAndClose(in.getFileInput(inFile), out.getFileOutput(outFile));
              }
          } catch (IOException ex) {
              throw new DirectoryException("Error copying file: " + inFile, ex);
          }
      }
  
      public static void copyToDir(Directory in, File out)
              throws DirectoryException {
          for (String fileName : in.getFiles(true)) {
              copyToDir(in, out, fileName);
          }
      }
  
      public static void copyToDir(Directory in, File out, String[] fileNames)
              throws DirectoryException {
          for (String fileName : fileNames) {
              copyToDir(in, out, fileName);
          }
      }
  
      public static void copyToDir(Directory in, File out, String fileName)
              throws DirectoryException {
          try {
              if (in.containsDir(fileName)) {
                  OS.rmdir(new File(out, fileName));
                  in.getDir(fileName).copyToDir(new File(out, fileName));
              } else {
                  if (fileName.equals("res") && !in.containsFile(fileName)) {
                      return;
                  }
                  String cleanedFilename = BrutIO.sanitizeUnknownFile(out, fileName);
                  File outFile = new File(out, cleanedFilename);
                  outFile.getParentFile().mkdirs();
                  BrutIO.copyAndClose(in.getFileInput(fileName), new FileOutputStream(outFile));
              }
          } catch (RootUnknownFileException | InvalidUnknownFileException | TraversalUnknownFileException exception) {
              LOGGER.warning(String.format("Skipping file %s (%s)", fileName, exception.getMessage()));
          } catch (IOException | BrutException ex) {
              throw new DirectoryException("Error copying file: " + fileName, ex);
          }
      }
  }
  