Package org.bouncycastle.oer

Class OERInputStream

java.lang.Object

java.io.InputStream

java.io.FilterInputStream

org.bouncycastle.oer.OERInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

Direct Known Subclasses:

OERInputStream.Choice, OERInputStream.Sequence

public class OERInputStream
extends FilterInputStream

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	OERInputStream.Choice
static class	OERInputStream.Sequence	OER sequence decoder, decodes prefix and determines which optional parts are available.

Field Summary

Fields

Modifier and Type	Field	Description
protected PrintWriter	debugOutput
protected PrintWriter	debugStream

Fields inherited from class java.io.FilterInputStream

in

Constructor Summary

Constructors

Constructor	Description
OERInputStream(InputStream src)	Root decoder of OER streaming data.
OERInputStream(InputStream src, int maxByteAllocation)	Create an OER input and set the maximum byte array allocation size;

Method Summary

Modifier and Type	Method	Description
OERInputStream.Choice	choice()
protected void	debugPrint(String what)
BigInteger	enumeration()
BigInteger	int16()
BigInteger	int32()
BigInteger	int64()
BigInteger	int8()
static org.bouncycastle.asn1.ASN1Encodable	parse(byte[] src, Element element)	Decode byte array.
org.bouncycastle.asn1.ASN1Object	parse(Element element)
BigInteger	parseInt(boolean unsigned, int size)
protected org.bouncycastle.asn1.ASN1Encodable	parseOpenType(Element e)
org.bouncycastle.oer.OERInputStream.LengthInfo	readLength()	Reads a length determinant deals with long ans short versions.
BigInteger	uint16()
BigInteger	uint32()
BigInteger	uint64()
BigInteger	uint8()

Methods inherited from class java.io.FilterInputStream

available, close, mark, markSupported, read, read, read, reset, skip

Methods inherited from class java.io.InputStream

nullInputStream, readAllBytes, readNBytes, readNBytes, skipNBytes, transferTo

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

debugOutput

protected PrintWriter debugOutput

debugStream

protected PrintWriter debugStream

Constructor Details

OERInputStream

public OERInputStream(InputStream src)

Root decoder of OER streaming data. Maximum byte array allocation is 1Mb

Parameters:

src - source stream.

OERInputStream

public OERInputStream(InputStream src,
 int maxByteAllocation)

Create an OER input and set the maximum byte array allocation size;

Parameters:

src - The src.

maxByteAllocation - the largest byte array that may eb allocated by this parser.

Method Details

parse

public static org.bouncycastle.asn1.ASN1Encodable parse(byte[] src,
 Element element)
                                                 throws IOException

Decode byte array.

Parameters:

src - The src

element - The definition

Returns:

Asn1Encodable instance

Throws:

IOException

parse

public org.bouncycastle.asn1.ASN1Object parse(Element element)
                                       throws IOException

Throws:

IOException

parseInt

public BigInteger parseInt(boolean unsigned,
 int size)
                    throws Exception

Throws:

Exception

uint8

public BigInteger uint8()
                 throws Exception

Throws:

Exception

uint16

public BigInteger uint16()
                  throws Exception

Throws:

Exception

uint32

public BigInteger uint32()
                  throws Exception

Throws:

Exception

uint64

public BigInteger uint64()
                  throws Exception

Throws:

Exception

int8

public BigInteger int8()
                throws Exception

Throws:

Exception

int16

public BigInteger int16()
                 throws Exception

Throws:

Exception

int32

public BigInteger int32()
                 throws Exception

Throws:

Exception

int64

public BigInteger int64()
                 throws Exception

Throws:

Exception

readLength

public org.bouncycastle.oer.OERInputStream.LengthInfo readLength()
                                                          throws IOException

Reads a length determinant deals with long ans short versions.

Returns:

Throws:

Exception

IOException

enumeration

public BigInteger enumeration()
                       throws IOException

Throws:

IOException

parseOpenType

protected org.bouncycastle.asn1.ASN1Encodable parseOpenType(Element e)
                                                     throws IOException

Throws:

IOException

choice

public OERInputStream.Choice choice()
                             throws IOException

Throws:

IOException

debugPrint

protected void debugPrint(String what)