Bouncy Castle Cryptography Library 1.60

org.bouncycastle.cms
Class CMSCompressedDataStreamGenerator

java.lang.Object
  extended byorg.bouncycastle.cms.CMSCompressedDataStreamGenerator

public class CMSCompressedDataStreamGenerator
extends java.lang.Object

General class for generating a compressed CMS message stream.

A simple example of usage.

CMSCompressedDataStreamGenerator gen = new CMSCompressedDataStreamGenerator(); OutputStream cOut = gen.open(outputStream, new ZlibCompressor()); cOut.write(data); cOut.close();


Field Summary
static java.lang.String ZLIB
           
 
Constructor Summary
CMSCompressedDataStreamGenerator()
          base constructor
 
Method Summary
 java.io.OutputStream open(org.bouncycastle.asn1.ASN1ObjectIdentifier contentOID, java.io.OutputStream out, OutputCompressor compressor)
          Open a compressing output stream.
 java.io.OutputStream open(java.io.OutputStream out, OutputCompressor compressor)
          Open a compressing output stream with the PKCS#7 content type OID of "data".
 void setBufferSize(int bufferSize)
          Set the underlying string size for encapsulated data
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

ZLIB

public static final java.lang.String ZLIB
See Also:
Constant Field Values
Constructor Detail

CMSCompressedDataStreamGenerator

public CMSCompressedDataStreamGenerator()
base constructor

Method Detail

setBufferSize

public void setBufferSize(int bufferSize)
Set the underlying string size for encapsulated data

Parameters:
bufferSize - length of octet strings to buffer the data.

open

public java.io.OutputStream open(java.io.OutputStream out,
                                 OutputCompressor compressor)
                          throws java.io.IOException
Open a compressing output stream with the PKCS#7 content type OID of "data".

Parameters:
out - the stream to encode to.
compressor - the type of compressor to use.
Returns:
an output stream to write the data be compressed to.
Throws:
java.io.IOException

open

public java.io.OutputStream open(org.bouncycastle.asn1.ASN1ObjectIdentifier contentOID,
                                 java.io.OutputStream out,
                                 OutputCompressor compressor)
                          throws java.io.IOException
Open a compressing output stream.

Parameters:
contentOID - the content type OID.
out - the stream to encode to.
compressor - the type of compressor to use.
Returns:
an output stream to write the data be compressed to.
Throws:
java.io.IOException

Bouncy Castle Cryptography Library 1.60