Java 类com.sun.jna.platform.FileUtils 实例源码

/**
 * Deletes a file or directory.  If a system trash directory is available,
 * the file or directory will be moved there instead.
 * @param file the file or directory to delete
 * @return true if moved to trash, and false if deleted
 * @throws IOException if given file does not exist
 */
public static boolean deleteToTrash(File file) throws IOException {
    if (file == null)
        throw new IOException("File cannot be null.");
    if (!file.exists())
        throw new IOException(String.format("File '%s' does not exist.", file.getAbsolutePath()));

    // move to system trash, if possible
    FileUtils fileUtils = FileUtils.getInstance();
    if (fileUtils.hasTrash()) {
        try {
            fileUtils.moveToTrash(new File[] { file });
            return true;
        } catch (IOException e) {
            Log.warn(String.format("Failed to move file '%s' to trash.", file.getAbsolutePath()), e);
        }
    }

    // delete otherwise
    if (file.isDirectory())
        deleteDirectory(file);
    else
        file.delete();
    return false;
}

public static boolean moveToTrash(File fileToDelete)
{
    FileUtils fileUtils = FileUtils.getInstance();
    if (fileUtils.hasTrash())
    {
        try
        {
            fileUtils.moveToTrash( new File[] { fileToDelete } );
            return true;

        } catch (IOException ioe)
        {
        }
    }

    return false;
}

/**
 * Deletes a file or directory.  If a system trash directory is available,
 * the file or directory will be moved there instead.
 * @param file the file or directory to delete
 * @return true if moved to trash, and false if deleted
 * @throws IOException if given file does not exist
 */
public static boolean deleteToTrash(File file) throws IOException {
    if (file == null)
        throw new IOException("File cannot be null.");
    if (!file.exists())
        throw new IOException(String.format("File '%s' does not exist.", file.getAbsolutePath()));

    // move to system trash, if possible
    FileUtils fileUtils = FileUtils.getInstance();
    if (fileUtils.hasTrash()) {
        try {
            fileUtils.moveToTrash(new File[] { file });
            return true;
        } catch (IOException e) {
            Log.warn(String.format("Failed to move file '%s' to trash.", file.getAbsolutePath()), e);
        }
    }

    // delete otherwise
    if (file.isDirectory())
        deleteDirectory(file);
    else
        file.delete();
    return false;
}

@Override
public void trash(final Local file) throws LocalAccessDeniedException {
    try {
        FileUtils.getInstance().moveToTrash(new File[]{new File(file.getAbsolute())});
    }
    catch(IOException e) {
        log.warn(String.format("Failed to move %s to Trash", file.getName()));
        new DefaultLocalTrashFeature().trash(file);
    }
}

/**
 * Move to trash if trash exist in OS, else remove from file system
 *
 * @param fileToRemove: file to be removed
 * @return true if file is removed successfully
 * @throws IOException
 */
public static boolean removeFile(File fileToRemove) throws IOException {
    FileUtils fileUtils = FileUtils.getInstance();
    if (fileUtils.hasTrash()) {
        fileUtils.moveToTrash( new File[]{fileToRemove} );
        return true;
    }
    else {
        return deleteFolderOrFile(fileToRemove);
    }
}

/**
 * Move to trash
 * 
 * @param file
 * @return
 */
public static boolean moveToTrash(File file) {
    File[] files = new File[1];
    files[0] = file;
    try {
        FileUtils.getInstance().moveToTrash(files);
        return true;
    } catch (Exception e) {
        return false;
    } finally {
        files[0] = null;
    }
}

/**
 * Move to trash
 * 
 * @param files
 * @return
 */
public static boolean moveToTrash(List<File> files) {
    try {
        FileUtils.getInstance().moveToTrash((File[]) files.toArray());
        return true;
    } catch (Exception e) {
        return false;
    }
}

private void moveToTrash(File[] files) throws IOException {
    FileUtils fileUtils = FileUtils.getInstance();
    if(fileUtils.hasTrash()) {
        fileUtils.moveToTrash(files);
    } else {
        // delete
        for(File file:files) {
            org.apache.commons.io.FileUtils.forceDelete(file);
        }
    }
}

@NotNull
public static Collection<String> getUtilClassPath() {
  final List<Class<?>> classes = Arrays.asList(
    PathManager.class,            // module 'util'
    NotNull.class,                // module 'annotations'
    SystemInfoRt.class,           // module 'util-rt'
    Document.class,               // jDOM
    Appender.class,               // log4j
    THashSet.class,               // trove4j
    PicoContainer.class,          // PicoContainer
    TypeMapper.class,             // JNA
    FileUtils.class,              // JNA (jna-utils)
    PatternMatcher.class          // OROMatcher
  );

  final Set<String> classPath = new HashSet<String>();
  for (Class<?> aClass : classes) {
    final String path = getJarPathForClass(aClass);
    if (path != null) {
      classPath.add(path);
    }
  }

  final String resourceRoot = getResourceRoot(PathManager.class, "/messages/CommonBundle.properties");  // platform-resources-en
  if (resourceRoot != null) {
    classPath.add(new File(resourceRoot).getAbsolutePath());
  }

  return Collections.unmodifiableCollection(classPath);
}

@Nonnull
public static Collection<String> getUtilClassPath() {
  final Class<?>[] classes = {PathManager.class,            // module 'util'
          Nonnull.class,                // module 'annotations'
          SystemInfoRt.class,           // module 'util-rt'
          Document.class,               // jDOM
          Appender.class,               // log4j
          THashSet.class,               // trove4j
          PicoContainer.class,          // PicoContainer
          TypeMapper.class,             // JNA
          FileUtils.class,              // JNA (jna-platform)
          PatternMatcher.class          // OROMatcher
  };

  final Set<String> classPath = new HashSet<String>();
  for (Class<?> aClass : classes) {
    final String path = getJarPathForClass(aClass);
    if (path != null) {
      classPath.add(path);
    }
  }

  final String resourceRoot = getResourceRoot(PathManager.class, "/messages/CommonBundle.properties");  // platform-resources-en
  if (resourceRoot != null) {
    classPath.add(new File(resourceRoot).getAbsolutePath());
  }

  return Collections.unmodifiableCollection(classPath);
}

@NotNull
public static Collection<String> getUtilClassPath() {
  final Class<?>[] classes = {
    PathManager.class,            // module 'util'
    Flow.class,                   // module 'annotations'
    SystemInfoRt.class,           // module 'util-rt'
    Document.class,               // jDOM
    Appender.class,               // log4j
    THashSet.class,               // trove4j
    PicoContainer.class,          // PicoContainer
    TypeMapper.class,             // JNA
    FileUtils.class,              // JNA (jna-platform)
    PatternMatcher.class,          // OROMatcher
    Snappy.class                   // Snappy
  };

  final Set<String> classPath = new HashSet<String>();
  for (Class<?> aClass : classes) {
    final String path = getJarPathForClass(aClass);
    if (path != null) {
      classPath.add(path);
    }
  }

  final String annotationsRoot = getJarPathForClass(Flow.class);
  if (annotationsRoot != null && !annotationsRoot.endsWith(".jar")) {
    // We're running IDEA built from sources. Flow.class is under annotations-common, and NotNull.class is under annotations. Add both
    // roots to classpath.
    final File notNullRoot = new File(new File(annotationsRoot).getParentFile(), "annotations");
    if (notNullRoot.exists()) {
      classPath.add(notNullRoot.getAbsolutePath());
    }
  }

  final String resourceRoot = getResourceRoot(PathManager.class, "/messages/CommonBundle.properties");  // platform-resources-en
  if (resourceRoot != null) {
    classPath.add(new File(resourceRoot).getAbsolutePath());
  }

  return Collections.unmodifiableCollection(classPath);
}