java.util.zip
Class 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
Method Summary |
Checksum |
getChecksum()
Returns the Checksum for this output stream. |
void |
write(byte[] b,
int off,
int len)
Writes an array of bytes. |
void |
write(int b)
Writes a byte. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
CheckedOutputStream
public CheckedOutputStream(OutputStream out,
Checksum cksum)
- Creates an output stream with the specified Checksum.
- Parameters:
out
- the output streamcksum
- the checksum
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 writtenoff
- the start offset of the datalen
- the number of bytes to be written- Throws:
IOException
- if an I/O error has occurred
getChecksum
public Checksum getChecksum()
- Returns the Checksum for this output stream.
- Returns:
- the Checksum
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