Class FilePathEncrypt

java.lang.Object
org.h2.store.fs.FilePath
org.h2.store.fs.FilePathWrapper
org.h2.store.fs.encrypt.FilePathEncrypt
public class FilePathEncrypt extends FilePathWrapper
An encrypted file.

  • Field Details

  • Constructor Details

    • FilePathEncrypt

      public FilePathEncrypt()

  • Method Details

    • register

      public static void register()
      Register this file system.

    • open

      public FileChannel open(String mode) throws IOException
      Description copied from class: FilePath
      Open a random access file object.
      Overrides:
      open in class FilePathWrapper
      Parameters:
      mode - the access mode. Supported are r, rw, rws, rwd
      Returns:
      the file object
      Throws:
      IOException - If an I/O error occurs

    • getScheme

      public String getScheme()
      Description copied from class: FilePath
      Get the scheme (prefix) for this file provider. This is similar to java.nio.file.spi.FileSystemProvider.getScheme.
      Specified by:
      getScheme in class FilePath
      Returns:
      the scheme

    • getPrefix

      protected String getPrefix()
      Overrides:
      getPrefix in class FilePathWrapper

    • unwrap

      public FilePath unwrap(String fileName)
      Description copied from class: FilePathWrapper
      Get the base path for the given wrapped path.
      Overrides:
      unwrap in class FilePathWrapper
      Parameters:
      fileName - the path including the scheme prefix
      Returns:
      the base file path

    • size

      public long size()
      Description copied from class: FilePath
      Get the size of a file in bytes
      Overrides:
      size in class FilePathWrapper
      Returns:
      the size in bytes

    • newOutputStream

      public OutputStream newOutputStream(boolean append) throws IOException
      Description copied from class: FilePath
      Create an output stream to write into the file.
      Overrides:
      newOutputStream in class FilePathWrapper
      Parameters:
      append - if true, the file will grow, if false, the file will be truncated first
      Returns:
      the output stream
      Throws:
      IOException - If an I/O error occurs

    • newInputStream

      public InputStream newInputStream() throws IOException
      Description copied from class: FilePath
      Create an input stream to read from the file.
      Overrides:
      newInputStream in class FilePathWrapper
      Returns:
      the input stream
      Throws:
      IOException - If an I/O error occurs

    • parse

      private String[] parse(String fileName)
      Split the file name into algorithm, password, and base file name.
      Parameters:
      fileName - the file name
      Returns:
      an array with algorithm, password, and base file name

    • getPasswordBytes

      public static byte[] getPasswordBytes(char[] passwordChars)
      Convert a char array to a byte array, in UTF-16 format. The char array is not cleared after use (this must be done by the caller).
      Parameters:
      passwordChars - the password characters
      Returns:
      the byte array