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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

Fields inherited from class java.io.FilterOutputStream
 out
 

Constructor Summary
 CheckedOutputStream(OutputStream out, Checksum cksum)
Creates an output stream with the specified Checksum.
 

Method Summary
Checksum  getChecksum()
Returns the Checksum for this output stream.
void  write(int b)
Writes a byte.
void  write(byte[] b, int off, int len)
Writes an array of bytes.
 
Methods inherited from class java.io.FilterOutputStream
 close, flush, write, write, write
 
Methods inherited from class java.io.OutputStream
 close, flush, write, write, write
 
Methods inherited from class java.lang.Object
 clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

CheckedOutputStream

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

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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