org.xipki.security.asn1

Class Asn1StreamParser

java.lang.Object

org.xipki.security.asn1.Asn1StreamParser

Direct Known Subclasses:

CrlCertSetStreamParser, CrlStreamParser

public class Asn1StreamParser
extends Object

ASN.1 stream parser.

Author:

Lijun Liao

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	Asn1StreamParser.MyInt

Field Summary

Fields

Modifier and Type	Field and Description
protected static int	TAG_CONSTRUCTED_SEQUENCE
protected static int	TAG_CONSTRUCTED_SET

Constructor Summary

Constructors

Constructor and Description
Asn1StreamParser()

Method Summary

Modifier and Type	Method and Description
protected static void	assertTag(int expectedTag, int tag, String name)
protected static int	markAndReadTag(InputStream instream)
protected static byte[]	readBlock(BufferedInputStream instream, String name)
protected static byte[]	readBlock(int expectedTag, BufferedInputStream instream, String name)
protected static int	readLength(Asn1StreamParser.MyInt lenBytesSize, InputStream instream)
protected static Date	readTime(Asn1StreamParser.MyInt bytesLen, BufferedInputStream instream, String name)
protected static Date	readTime(Object obj)
protected 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

protected static final int TAG_CONSTRUCTED_SEQUENCE

See Also:

Constant Field Values

TAG_CONSTRUCTED_SET

protected static final int TAG_CONSTRUCTED_SET

See Also:

Constant Field Values

Constructor Detail

Asn1StreamParser

public Asn1StreamParser()

Method Detail

readBlock

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

Throws:

IOException

readBlock

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

Throws:

IOException

markAndReadTag

protected static int markAndReadTag(InputStream instream)
                             throws IOException

Throws:

IOException

readLength

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

Throws:

IOException

assertTag

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

readTime

protected static Date readTime(Object obj)

readTime

protected static Date readTime(Asn1StreamParser.MyInt bytesLen,
                               BufferedInputStream instream,
                               String name)
                        throws IOException

Throws:

IOException

skip

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

Throws:

IOException