Package org.xipki.security.asn1

Class Asn1StreamParser

java.lang.Object

org.xipki.security.asn1.Asn1StreamParser

Direct Known Subclasses:

CrlStreamParser

public class Asn1StreamParser
extends Object

ASN.1 stream parser.

Author:

Lijun Liao (xipki)

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	Asn1StreamParser.MyInt

Field Summary

Fields

Modifier and Type	Field	Description
static int	TAG_CONSTRUCTED_SEQUENCE
static int	TAG_CONSTRUCTED_SET

Constructor Summary

Constructors

Constructor	Description
Asn1StreamParser()

Method Summary

Modifier and Type	Method	Description
static void	assertTag(int expectedTag, int tag, String name)
static int	markAndReadTag(InputStream instream)
static byte[]	readBlock(int expectedTag, BufferedInputStream instream, String name)
static byte[]	readBlock(BufferedInputStream instream, String name)
static int	readLength(Asn1StreamParser.MyInt lenBytesSize, InputStream instream)
static Instant	readTime(org.bouncycastle.asn1.ASN1Encodable obj)
static Instant	readTime(Asn1StreamParser.MyInt bytesLen, BufferedInputStream instream, String name)
static byte[]	readValue(int expectedTag, BufferedInputStream instream, String name)
static void	skip(InputStream instream, long count)

Methods inherited from class java.lang.Object

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

Field Detail

TAG_CONSTRUCTED_SEQUENCE

public static final int TAG_CONSTRUCTED_SEQUENCE

See Also:

Constant Field Values

TAG_CONSTRUCTED_SET

public static final int TAG_CONSTRUCTED_SET

See Also:

Constant Field Values

Constructor Detail

Asn1StreamParser

public Asn1StreamParser()

Method Detail

readBlock

public static byte[] readBlock(int expectedTag,
                               BufferedInputStream instream,
                               String name)
                        throws IOException

Throws:

IOException

readBlock

public static byte[] readBlock(BufferedInputStream instream,
                               String name)
                        throws IOException

Throws:

IOException

readValue

public static byte[] readValue(int expectedTag,
                               BufferedInputStream instream,
                               String name)
                        throws IOException

Throws:

IOException

markAndReadTag

public static int markAndReadTag(InputStream instream)
                          throws IOException

Throws:

IOException

readLength

public static int readLength(Asn1StreamParser.MyInt lenBytesSize,
                             InputStream instream)
                      throws IOException

Throws:

IOException

assertTag

public static void assertTag(int expectedTag,
                             int tag,
                             String name)

readTime

public static Instant readTime(org.bouncycastle.asn1.ASN1Encodable obj)

readTime

public static Instant readTime(Asn1StreamParser.MyInt bytesLen,
                               BufferedInputStream instream,
                               String name)
                        throws IOException

Throws:

IOException

skip

public static void skip(InputStream instream,
                        long count)
                 throws IOException

Throws:

IOException