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Bouncy Castle Cryptography Library 1.38 | ||||||||
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java.lang.Objectorg.bouncycastle.openpgp.PGPCompressedDataGenerator
public class PGPCompressedDataGenerator
class for producing compressed data packets.
Field Summary |
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Fields inherited from interface org.bouncycastle.bcpg.CompressionAlgorithmTags |
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BZIP2, UNCOMPRESSED, ZIP, ZLIB |
Constructor Summary | |
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PGPCompressedDataGenerator(int algorithm)
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PGPCompressedDataGenerator(int algorithm,
int compression)
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Method Summary | |
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void |
close()
Close the compressed object - this is equivalent to calling close on the stream returned by the open() method. |
java.io.OutputStream |
open(java.io.OutputStream out)
Return an outputstream which will save the data being written to the compressed object. |
java.io.OutputStream |
open(java.io.OutputStream out,
byte[] buffer)
Return an outputstream which will compress the data as it is written to it. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public PGPCompressedDataGenerator(int algorithm)
public PGPCompressedDataGenerator(int algorithm, int compression)
Method Detail |
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public java.io.OutputStream open(java.io.OutputStream out) throws java.io.IOException
out
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IOException,
- IllegalStateException
java.io.IOException
public java.io.OutputStream open(java.io.OutputStream out, byte[] buffer) throws java.io.IOException, PGPException
Note: if the buffer is not a power of 2 in length only the largest power of 2 bytes worth of the buffer will be used.
Note: using this may break compatability with RFC 1991 compliant tools. Only recent OpenPGP implementations are capable of accepting these streams.
out
- buffer
- the buffer to use.
java.io.IOException
PGPException
public void close() throws java.io.IOException
java.io.IOException
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