Module java.base
Package java.util.zip

Class CheckedOutputStream

java.lang.Object
java.io.OutputStream
java.io.FilterOutputStream
java.util.zip.CheckedOutputStream
All Implemented Interfaces:
Closeable, Flushable, AutoCloseable
public class CheckedOutputStream extends FilterOutputStream
An output stream that also maintains a checksum of the data being written. The checksum can then be used to verify the integrity of the output data.
Since:
1.1
See Also:

  • Constructor Details

    • CheckedOutputStream

      public CheckedOutputStream(OutputStream out, Checksum cksum)
      Creates an output stream with the specified Checksum.
      Parameters:
      out - the output stream
      cksum - the checksum

  • Method Details

    • write

      public void write(int b) throws IOException
      Writes a byte. Will block until the byte is actually written.
      Overrides:
      write in class FilterOutputStream
      Parameters:
      b - the byte to be written
      Throws:
      IOException - if an I/O error has occurred

    • write

      public void write(byte[] b, int off, int len) throws IOException
      Writes an array of bytes. Will block until the bytes are actually written.
      Overrides:
      write in class FilterOutputStream
      Parameters:
      b - the data to be written
      off - the start offset of the data
      len - the number of bytes to be written
      Throws:
      IOException - if an I/O error has occurred
      See Also:

    • getChecksum

      public Checksum getChecksum()
      Returns the Checksum for this output stream.
      Returns:
      the Checksum