- java.lang.Object
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- java.io.OutputStream
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- java.io.FilterOutputStream
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- java.util.zip.CheckedOutputStream
 
 
 
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- 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:
- Checksum
 
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Field Summary- 
Fields declared in class java.io.FilterOutputStreamout
 
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Constructor SummaryConstructors Constructor Description CheckedOutputStream(OutputStream out, Checksum cksum)Creates an output stream with the specified Checksum.
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Method SummaryAll Methods Instance Methods Concrete Methods Modifier and Type Method Description ChecksumgetChecksum()Returns the Checksum for this output stream.voidwrite(byte[] b, int off, int len)Writes an array of bytes.voidwrite(int b)Writes a byte.- 
Methods declared in class java.io.FilterOutputStreamclose, flush, write
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Methods declared in class java.io.OutputStreamnullOutputStream
 
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Constructor Detail- 
CheckedOutputStreampublic CheckedOutputStream(OutputStream out, Checksum cksum) Creates an output stream with the specified Checksum.- Parameters:
- out- the output stream
- cksum- the checksum
 
 
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Method Detail- 
writepublic void write(int b) throws IOExceptionWrites a byte. Will block until the byte is actually written.- Overrides:
- writein class- FilterOutputStream
- Parameters:
- b- the byte to be written
- Throws:
- IOException- if an I/O error has occurred
 
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writepublic void write(byte[] b, int off, int len) throws IOExceptionWrites an array of bytes. Will block until the bytes are actually written.- Overrides:
- writein 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:
- FilterOutputStream.write(int)
 
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getChecksumpublic Checksum getChecksum() Returns the Checksum for this output stream.- Returns:
- the Checksum
 
 
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