Package org.bouncycastle.oer

Class OERInputStream

java.lang.Object

java.io.InputStream

java.io.FilterInputStream

org.bouncycastle.oer.OERInputStream

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

Direct Known Subclasses:

OERInputStream.Choice, OERInputStream.Sequence

public class OERInputStream
extends java.io.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 java.io.PrintWriter	debugOutput

Fields inherited from class java.io.FilterInputStream

in

Constructor Summary

Constructors

Constructor	Description
OERInputStream(java.io.InputStream src)	Root decoder of OER streaming data.
OERInputStream(java.io.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(java.lang.String what)
java.math.BigInteger	enumeration()
java.math.BigInteger	int16()
java.math.BigInteger	int32()
java.math.BigInteger	int64()
java.math.BigInteger	int8()
org.bouncycastle.asn1.ASN1Object	parse(OERDefinition.Element element)
java.math.BigInteger	parseInt(boolean unsigned, int size)
org.bouncycastle.oer.OERInputStream.LengthInfo	readLength()	Reads a length determinant deals with long ans short versions.
OERInputStream.Sequence	sequence(int expectedOptional, boolean hasOptionalChildren, boolean hasExtension)
java.math.BigInteger	uint16()
java.math.BigInteger	uint32()
java.math.BigInteger	uint64()
java.math.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, transferTo

Methods inherited from class java.lang.Object

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

Field Detail

debugOutput

protected java.io.PrintWriter debugOutput

Constructor Detail

OERInputStream

public OERInputStream(java.io.InputStream src)

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

Parameters:

src - source stream.

OERInputStream

public OERInputStream(java.io.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 Detail

parse

public org.bouncycastle.asn1.ASN1Object parse(OERDefinition.Element element)
                                       throws java.lang.Exception

Throws:

java.lang.Exception

parseInt

public java.math.BigInteger parseInt(boolean unsigned,
                                     int size)
                              throws java.lang.Exception

Throws:

java.lang.Exception

uint8

public java.math.BigInteger uint8()
                           throws java.lang.Exception

Throws:

java.lang.Exception

uint16

public java.math.BigInteger uint16()
                            throws java.lang.Exception

Throws:

java.lang.Exception

uint32

public java.math.BigInteger uint32()
                            throws java.lang.Exception

Throws:

java.lang.Exception

uint64

public java.math.BigInteger uint64()
                            throws java.lang.Exception

Throws:

java.lang.Exception

int8

public java.math.BigInteger int8()
                          throws java.lang.Exception

Throws:

java.lang.Exception

int16

public java.math.BigInteger int16()
                           throws java.lang.Exception

Throws:

java.lang.Exception

int32

public java.math.BigInteger int32()
                           throws java.lang.Exception

Throws:

java.lang.Exception

int64

public java.math.BigInteger int64()
                           throws java.lang.Exception

Throws:

java.lang.Exception

readLength

public org.bouncycastle.oer.OERInputStream.LengthInfo readLength()
                                                          throws java.lang.Exception

Reads a length determinant deals with long ans short versions.

Returns:

Throws:

java.lang.Exception

enumeration

public java.math.BigInteger enumeration()
                                 throws java.lang.Exception

Throws:

java.lang.Exception

sequence

public OERInputStream.Sequence sequence(int expectedOptional,
                                        boolean hasOptionalChildren,
                                        boolean hasExtension)
                                 throws java.lang.Exception

Throws:

java.lang.Exception

choice

public OERInputStream.Choice choice()
                             throws java.lang.Exception

Throws:

java.lang.Exception

debugPrint

protected void debugPrint(java.lang.String what)