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Oracle Fusion Middleware CMS Java API Reference for Oracle Security Developer Tools 11g Release 1 (11.1.1) E10667-03 |
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java.lang.Object
java.io.InputStream
java.io.FilterInputStream
oracle.security.crypto.cms.CMSInputStream
oracle.security.crypto.cms.CMSCompressedDataInputStream
public class CMSCompressedDataInputStream
A CMSCompressedDataInputStream
is used to read compressed-data
CMS objects.
A CMSCompressedDataInputStream
is essentially a input stream filter that unwraps the CMS compressed-data
structure from the data read in.
You will be able to read a detached digested-data object using the CMSCompressedDataInputStream
class but you will not be able to verify the digest.
IMPORTANT: This class processes large CMS compressed-data Objects more efficiently (Java VM memory usage) than the CMSCompressedDataContentInfo
class.
CMSInputConnector
, CMSCompressedDataInputConnector
, CMSCompressedDataContentInfo
Field Summary |
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Fields inherited from class java.io.FilterInputStream |
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in |
Constructor Summary | |
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CMSCompressedDataInputStream(CMSInputConnector conn) Creates a CMSCompressedDataInputStream . |
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CMSCompressedDataInputStream(java.io.InputStream in) Creates a CMSCompressedDataInputStream . |
Method Summary | |
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int |
available() |
oracle.security.crypto.core.AlgorithmIdentifier |
getCompressionAlgID() Returns the message compressed algorithm. |
oracle.security.crypto.asn1.ASN1ObjectID |
getEnclosedContentType() Returns the content type of the digested content. |
oracle.security.crypto.asn1.ASN1Integer |
getVersion() Deprecated. As of Phaos CMS 2.0.1, replaced by getVersionNumber() |
java.math.BigInteger |
getVersionNumber() Returns the version number of this CMS Object. |
void |
mark(int readlimit) Not supported. |
boolean |
markSupported() Always returns false</false>. |
int |
read() |
int |
read(byte[] buffer, int offset, int len) |
void |
reset() Not supported. |
long |
skip(long n) |
void |
terminate() Finish reading the digested-data structure. |
Methods inherited from class java.io.FilterInputStream |
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close, read |
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 CMSCompressedDataInputStream(java.io.InputStream in)
CMSCompressedDataInputStream
.
in
- The underlying input stream.public CMSCompressedDataInputStream(CMSInputConnector conn)
CMSCompressedDataInputStream
.
conn
- The underlying input connector.Method Detail |
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public void terminate() throws java.io.IOException
digested-data
structure.
Invoke this method only after all the underlying content has been read.
terminate
in class CMSInputStream
java.io.IOException
- An I/O error occurred or some of the underlying content is still present in the input stream.public java.math.BigInteger getVersionNumber() throws java.io.IOException
java.io.IOException
- An I/O error occurred or the input is incorrectly encoded.public oracle.security.crypto.asn1.ASN1Integer getVersion() throws java.io.IOException
getVersionNumber()
java.io.IOException
- An I/O error occurred or the input is incorrectly encoded.public oracle.security.crypto.core.AlgorithmIdentifier getCompressionAlgID() throws java.io.IOException
java.io.IOException
- An I/O error occurred or the input is incorrectly encoded.public oracle.security.crypto.asn1.ASN1ObjectID getEnclosedContentType() throws java.io.IOException
getEnclosedContentType
in class CMSInputStream
java.io.IOException
- An I/O error occurred or no input has been read.public int read() throws java.io.IOException
read
in class java.io.FilterInputStream
java.io.IOException
public int read(byte[] buffer, int offset, int len) throws java.io.IOException
read
in class java.io.FilterInputStream
java.io.IOException
public int available() throws java.io.IOException
available
in class java.io.FilterInputStream
java.io.IOException
public long skip(long n) throws java.io.IOException
skip
in class java.io.FilterInputStream
java.io.IOException
public boolean markSupported()
false</false>.
Overrides:
markSupported
in class java.io.FilterInputStream
public void mark(int readlimit)
mark
in class java.io.FilterInputStream
public void reset() throws java.io.IOException
reset
in class java.io.FilterInputStream
java.io.IOException
- always(not supported)
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Oracle Fusion Middleware CMS Java API Reference for Oracle Security Developer Tools 11g Release 1 (11.1.1) E10667-03 |
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