Class java.util.zip.CheckedOutputStream - JDK 5 Documentation v1.1.8, Java 2 SDK 英文文档

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Class java.util.zip.CheckedOutputStream

java.lang.Object
   |
   +----java.io.OutputStream
           |
           +----java.io.FilterOutputStream
                   |
                   +----java.util.zip.CheckedOutputStream

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.

See Also:: Checksum

CheckedOutputStream(OutputStream, Checksum): Creates an output stream with the specified Checksum.

getChecksum(): Returns the Checksum for this output stream.
write(byte[], int, int): Writes an array of bytes.
write(int): Writes a byte.

CheckedOutputStream

 public CheckedOutputStream(OutputStream out,
                            Checksum cksum)

Creates an output stream with the specified Checksum.

Parameters:: out - the output stream; cksum - the checksum

write

 public void write(int b) throws IOException

Writes a byte. Will block until the byte is actually written.

Parameters:: b - the byte to be written
Throws: IOException: if an I/O error has occurred
Overrides:: write in class FilterOutputStream

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.

Parameters:: buf - 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
Overrides:: write in class FilterOutputStream

getChecksum

 public Checksum getChecksum()

Returns the Checksum for this output stream.

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