cryptix.pgp
Class PacketInputStream
java.lang.Object
|
+--java.io.InputStream
|
+--java.io.FilterInputStream
|
+--java.io.DataInputStream
|
+--cryptix.pgp.PacketInputStream
- All Implemented Interfaces:
- java.io.DataInput
- public class PacketInputStream
- extends java.io.DataInputStream
Adds readPacket()
, readKeyRingEntry()
and
readUserIdCertificate()
methods to DataInputStream.
Also allows ONE packet to be pushed back onto the stream.
Copyright © 1995-1997
Systemics Ltd on behalf of the
Cryptix Development Team.
All rights reserved.
$Revision: 1.1.1.1 $
- Since:
- Cryptix 2.2 or earlier
- Author:
- Mike Wynn, Ian Brown, Jill Baker
Field Summary |
protected java.io.DataInputStream |
din
|
protected Packet |
store
Stores a packet that has been pushed back. |
Fields inherited from class java.io.FilterInputStream |
in |
Methods inherited from class java.io.DataInputStream |
read, read, readBoolean, readByte, readChar, readDouble, readFloat, readFully, readFully, readInt, readLine, readLong, readShort, readUnsignedByte, readUnsignedShort, readUTF, readUTF, skipBytes |
Methods inherited from class java.io.FilterInputStream |
available, close, mark, read, reset, skip |
Methods inherited from class java.lang.Object |
, clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
store
protected Packet store
- Stores a packet that has been pushed back.
din
protected java.io.DataInputStream din
PacketInputStream
public PacketInputStream(java.io.InputStream input)
PacketInputStream
public PacketInputStream(java.io.DataInputStream input)
readAnyPacket
public Packet readAnyPacket()
throws java.io.IOException
- Reads any packet, including comment packets.
readPacket
public Packet readPacket()
throws java.io.IOException
- Reads any packet apart from Comment packets.
This greatly simplifies the processing of packet streams,
which can contain Comments anywhere.
pushback
public void pushback(Packet p)
throws java.io.IOException
- Pushes back a packet which has been read onto the stream.
This is essential for parsing multi-packet structures such as
a KeyRingEntry, where you don't know how many packets of what
type to expect.
readKeyRingEntry
public KeyRingEntry readKeyRingEntry(KeyRingTrust defaultTrust)
throws java.io.IOException
- Used by KeyRing to load in key certificate and accompanying user
IDs and signatures, and KeyServer to decipher keys retrieved from
remote keyservers.
readUserIdCertificate
public UserIdCertificate readUserIdCertificate(KeyRingTrust defaultTrust)
throws java.io.IOException
markSupported
public boolean markSupported()
- Overrides:
markSupported
in class java.io.FilterInputStream