程序包 org.springframework.boot.loader.zip

接口 DataBlock

所有已知子接口:
CloseableDataBlock
public interface DataBlock
Provides read access to a block of data contained somewhere in a zip file.
从以下版本开始:
3.2.0
作者:
Phillip Webb

  • 方法概要

    修饰符和类型
    方法
    说明
    default InputStream
    asInputStream()
    Return this DataBlock as an InputStream.
    int
    read(ByteBuffer dst, long pos)
    Read a sequence of bytes from this channel into the given buffer, starting at the given block position.
    default void
    readFully(ByteBuffer dst, long pos)
    Fully read a sequence of bytes from this channel into the given buffer, starting at the given block position and filling remaining bytes in the buffer.
    long
    size()
    Return the size of this block.

  • 方法详细资料

    • size

      long size() throws IOException
      Return the size of this block.
      返回:
      the block size
      抛出:
      IOException - on I/O error

    • read

      int read(ByteBuffer dst, long pos) throws IOException
      Read a sequence of bytes from this channel into the given buffer, starting at the given block position.
      参数:
      dst - the buffer into which bytes are to be transferred
      pos - the position within the block at which the transfer is to begin
      返回:
      the number of bytes read, possibly zero, or -1 if the given position is greater than or equal to the block size
      抛出:
      IOException - on I/O error
      另请参阅:

    • readFully

      default void readFully(ByteBuffer dst, long pos) throws IOException
      Fully read a sequence of bytes from this channel into the given buffer, starting at the given block position and filling remaining bytes in the buffer.
      参数:
      dst - the buffer into which bytes are to be transferred
      pos - the position within the block at which the transfer is to begin
      抛出:
      EOFException - if an attempt is made to read past the end of the block
      IOException - on I/O error

    • asInputStream

      default InputStream asInputStream() throws IOException
      Return this DataBlock as an InputStream.
      返回:
      an InputStream to read the data block content
      抛出:
      IOException - on IO error