类 RandomAccessDataFile

构造器详细资料

• RandomAccessDataFile

  public RandomAccessDataFile​(File file)

  Create a new RandomAccessDataFile backed by the specified file.

  参数:

  file - the underlying file

  抛出:

  IllegalArgumentException - if the file is null or does not exist

  另请参阅:

  RandomAccessDataFile(File, int)

• RandomAccessDataFile

  public RandomAccessDataFile​(File file,
                              int concurrentReads)

  Create a new RandomAccessDataFile backed by the specified file.

  参数:

  file - the underlying file

  concurrentReads - the maximum number of concurrent reads allowed on the underlying file before blocking

  抛出:

  IllegalArgumentException - if the file is null or does not exist

  另请参阅:

  RandomAccessDataFile(File)

方法详细资料

• getFile

  public File getFile()

  Returns the underlying File.

  返回:

  the underlying file

• getInputStream

  public InputStream getInputStream​(RandomAccessData.ResourceAccess access)
                             throws IOException

  从接口复制的说明: RandomAccessData
  Returns an InputStream that can be used to read the underlying data. The caller is responsible close the underlying stream.

  指定者:

  getInputStream 在接口中 RandomAccessData

  参数:

  access - hint indicating how the underlying data should be accessed

  返回:

  a new input stream that can be used to read the underlying data.

  抛出:

  IOException - if the stream cannot be opened

• getSubsection

  public RandomAccessData getSubsection​(long offset,
                                        long length)

  从接口复制的说明: RandomAccessData
  Returns a new RandomAccessData for a specific subsection of this data.

  指定者:

  getSubsection 在接口中 RandomAccessData

  参数:

  offset - the offset of the subsection

  length - the length of the subsection

  返回:

  the subsection data

• getSize

  public long getSize()

  从接口复制的说明: RandomAccessData
  Returns the size of the data.

  指定者:

  getSize 在接口中 RandomAccessData

  返回:

  the size

• close

  public void close()
             throws IOException

  抛出:

  IOException