content: /*
   * Copyright 2002-2019 Drew Noakes and contributors
   *
   *    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.
   *
   * More information about this project is available at:
   *
   *    https://drewnoakes.com/code/exif/
   *    https://github.com/drewnoakes/metadata-extractor
   */
  package com.drew.metadata.file;
  
  import com.drew.lang.annotations.NotNull;
  import com.drew.metadata.Metadata;
  
  import java.io.*;
  import java.util.Date;
  
  public class FileSystemMetadataReader
  {
      public void read(@NotNull File file, @NotNull Metadata metadata) throws IOException
      {
          if (!file.isFile())
              throw new IOException("File object must reference a file");
          if (!file.exists())
              throw new IOException("File does not exist");
          if (!file.canRead())
              throw new IOException("File is not readable");
  
          FileSystemDirectory directory = metadata.getFirstDirectoryOfType(FileSystemDirectory.class);
  
          if (directory == null) {
              directory = new FileSystemDirectory();
              metadata.addDirectory(directory);
          }
  
          directory.setString(FileSystemDirectory.TAG_FILE_NAME, file.getName());
          directory.setLong(FileSystemDirectory.TAG_FILE_SIZE, file.length());
          directory.setDate(FileSystemDirectory.TAG_FILE_MODIFIED_DATE, new Date(file.lastModified()));
      }
  }
  