Overview  Package   Class  Use  Deprecated  Index
Home >> All >> com >> voytechs >> jnetstream >> [ codec overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

---

com.voytechs.jnetstream.codec
Class Decoder  

java.lang.Object
  com.voytechs.jnetstream.npl.Visitor
      com.voytechs.jnetstream.codec.Decoder

Direct Known Subclasses:

FilterDecoder

---

public class Decoder

extends com.voytechs.jnetstream.npl.Visitor

---

Field Summary
private static boolean	debug
static int	DEBUG_DEFAULT
static int	DEBUG_STREAM
private static int	debugLevel
private  Field	field
static java.lang.String	FILE_FORMATS
private  java.io.InputStream	fileStream
private  com.voytechs.jnetstream.npl.Context	globalContext
private  com.voytechs.jnetstream.npl.SymTable	globalTable
private  Header	header
private  com.voytechs.jnetstream.io.PacketInputStream	in
private  com.voytechs.jnetstream.npl.FieldStatement	linkedField
private  Packet	packet
private  com.voytechs.jnetstream.npl.SymTable	packetTable
private  java.util.Hashtable	perm
static java.lang.String	PROTOCOL_PATH
private  com.voytechs.jnetstream.npl.NodeList	root

 

Constructor Summary

Decoder(com.voytechs.jnetstream.io.PacketInputStream in)

Decoder(com.voytechs.jnetstream.io.PacketInputStream in, java.lang.String nplFile)

Decoder(java.lang.String captureFile)

Decoder(java.lang.String captureFile, java.lang.String nplFile)

 

Method Summary
protected  void	exportGlobalProperties(com.voytechs.jnetstream.npl.Context global)
protected  void	exportPacketProperties(com.voytechs.jnetstream.npl.Context packet)
void	link(com.voytechs.jnetstream.npl.NodeList block)           Link code in the block.
protected  com.voytechs.jnetstream.npl.StatementContainer	lookupTopLevelHeader(java.lang.String name)
static void	main(java.lang.String[] args)           Test function for Decoder
Packet	nextPacket()           Decode the next packet based on previously initialized PacketInputStream and the parsed NPL AST.
Packet	nextPacketWithEOP()           Processes the next packet in the packet-byte-stream.
com.voytechs.jnetstream.io.PacketInputStream	openCaptureFile(java.lang.String file)           Open capture file.
protected  java.io.InputStream	openFile(java.lang.String file)           Convenience method that opens up a new file while closing the old one.
protected  com.voytechs.jnetstream.npl.NodeList	parse(com.voytechs.jnetstream.npl.ExpTokenizer tokens)           Parse NPL based on the tokenizer stream.
void	parse(java.lang.String file)           Parse a file with the given name.
boolean	traverse(com.voytechs.jnetstream.npl.AssertStatement stat, java.lang.Object user1, java.lang.Object user2)
boolean	traverse(com.voytechs.jnetstream.npl.BreakStatement stat, java.lang.Object user1, java.lang.Object user2)
boolean	traverse(com.voytechs.jnetstream.npl.ContinueStatement stat, java.lang.Object user1, java.lang.Object user2)
boolean	traverse(com.voytechs.jnetstream.npl.FamilyStatement stat, java.lang.Object user1, java.lang.Object user2)
boolean	traverse(com.voytechs.jnetstream.npl.FieldStatement stat, java.lang.Object user1, java.lang.Object user2)           FIELD STATEMENT
boolean	traverse(com.voytechs.jnetstream.npl.ForStatement stat, java.lang.Object user1, java.lang.Object user2)
boolean	traverse(com.voytechs.jnetstream.npl.HeaderStatement stat, java.lang.Object user1, java.lang.Object user2)
boolean	traverse(com.voytechs.jnetstream.npl.IfStatement stat, java.lang.Object user1, java.lang.Object user2)
boolean	traverse(com.voytechs.jnetstream.npl.LinkStatement stat, java.lang.Object user1, java.lang.Object user2)
boolean	traverse(com.voytechs.jnetstream.npl.OpNode node, java.lang.Object user1, java.lang.Object user2)           Convenience function that dispatches visitor to all nodes in the list.
boolean	traverse(com.voytechs.jnetstream.npl.PrintStatement stat, java.lang.Object user1, java.lang.Object user2)
boolean	traverse(com.voytechs.jnetstream.npl.PropertyStatement stat, java.lang.Object user1, java.lang.Object user2)
boolean	traverse(com.voytechs.jnetstream.npl.VariableStatement stat, java.lang.Object user1, java.lang.Object user2)
boolean	traverse(com.voytechs.jnetstream.npl.WhileStatement stat, java.lang.Object user1, java.lang.Object user2)
protected  void	updateProperty(java.lang.String name, com.voytechs.jnetstream.npl.Context context, int value)
protected  void	updateProperty(java.lang.String name, com.voytechs.jnetstream.npl.Context context, com.voytechs.jnetstream.primitive.address.IpAddress value)
protected  void	updateProperty(java.lang.String name, com.voytechs.jnetstream.npl.Context context, long value)
protected  void	updateProperty(java.lang.String name, com.voytechs.jnetstream.npl.Context context, java.lang.String value)
protected  void	updateProperty(java.lang.String name, com.voytechs.jnetstream.npl.Context context, java.sql.Timestamp value)

 

Methods inherited from class com.voytechs.jnetstream.npl.Visitor

traverse, traverse, traverse, traverse, traverse, traverse, traverse, visit

 

Methods inherited from class java.lang.Object

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

 

Field Detail

DEBUG_DEFAULT

public static final int DEBUG_DEFAULT

See Also:

Constant Field Values

---

DEBUG_STREAM

public static final int DEBUG_STREAM

See Also:

Constant Field Values

---

debug

private static final boolean debug

See Also:

Constant Field Values

---

debugLevel

private static final int debugLevel

See Also:

Constant Field Values

---

PROTOCOL_PATH

public static final java.lang.String PROTOCOL_PATH

See Also:

Constant Field Values

---

FILE_FORMATS

public static final java.lang.String FILE_FORMATS

See Also:

Constant Field Values

---

globalTable

private com.voytechs.jnetstream.npl.SymTable globalTable

---

packetTable

private com.voytechs.jnetstream.npl.SymTable packetTable

---

globalContext

private com.voytechs.jnetstream.npl.Context globalContext

---

in

private com.voytechs.jnetstream.io.PacketInputStream in

---

root

private com.voytechs.jnetstream.npl.NodeList root

---

packet

private Packet packet

---

header

private Header header

---

field

private Field field

---

linkedField

private com.voytechs.jnetstream.npl.FieldStatement linkedField

---

perm

private java.util.Hashtable perm

---

fileStream

private java.io.InputStream fileStream

Constructor Detail

Decoder

public Decoder(com.voytechs.jnetstream.io.PacketInputStream in)
        throws java.io.FileNotFoundException,
               java.io.IOException,
               com.voytechs.jnetstream.npl.SyntaxError

---

Decoder

public Decoder(java.lang.String captureFile)
        throws java.io.FileNotFoundException,
               java.io.IOException,
               com.voytechs.jnetstream.npl.SyntaxError

---

Decoder

public Decoder(java.lang.String captureFile,
               java.lang.String nplFile)
        throws java.io.FileNotFoundException,
               java.io.IOException,
               com.voytechs.jnetstream.npl.SyntaxError

---

Decoder

public Decoder(com.voytechs.jnetstream.io.PacketInputStream in,
               java.lang.String nplFile)
        throws java.io.FileNotFoundException,
               java.io.IOException,
               com.voytechs.jnetstream.npl.SyntaxError

Method Detail

openCaptureFile

public com.voytechs.jnetstream.io.PacketInputStream openCaptureFile(java.lang.String file)
                                                             throws java.io.FileNotFoundException,
                                                                    java.io.IOException

Open capture file. The format of the file is checked and appropriate File reader is used.

---

openFile

protected java.io.InputStream openFile(java.lang.String file)
                                throws java.io.FileNotFoundException

Convenience method that opens up a new file while closing the old one.

---

parse

public void parse(java.lang.String file)
           throws java.io.FileNotFoundException,
                  com.voytechs.jnetstream.npl.SyntaxError

Parse a file with the given name.

---

parse

protected com.voytechs.jnetstream.npl.NodeList parse(com.voytechs.jnetstream.npl.ExpTokenizer tokens)
                                              throws com.voytechs.jnetstream.npl.SyntaxError

Parse NPL based on the tokenizer stream.

---

link

public void link(com.voytechs.jnetstream.npl.NodeList block)
          throws com.voytechs.jnetstream.npl.SyntaxError,
                 com.voytechs.jnetstream.npl.NodeException

Link code in the block.

---

nextPacket

public Packet nextPacket()
                  throws com.voytechs.jnetstream.io.StreamFormatException,
                         java.io.IOException,
                         com.voytechs.jnetstream.npl.SyntaxError

Decode the next packet based on previously initialized PacketInputStream and the parsed NPL AST.

---

nextPacketWithEOP

public Packet nextPacketWithEOP()
                         throws com.voytechs.jnetstream.npl.NodeException,
                                com.voytechs.jnetstream.io.EOPacketStream,
                                com.voytechs.jnetstream.io.StreamFormatException,
                                java.io.IOException

Processes the next packet in the packet-byte-stream. A number of exceptions can be thrown by this method. A Packet object is returned containing all of the headers that could be parsed.

---

exportPacketProperties

protected void exportPacketProperties(com.voytechs.jnetstream.npl.Context packet)

---

exportGlobalProperties

protected void exportGlobalProperties(com.voytechs.jnetstream.npl.Context global)

---

updateProperty

protected void updateProperty(java.lang.String name,
                              com.voytechs.jnetstream.npl.Context context,
                              com.voytechs.jnetstream.primitive.address.IpAddress value)

---

updateProperty

protected void updateProperty(java.lang.String name,
                              com.voytechs.jnetstream.npl.Context context,
                              java.lang.String value)

---

updateProperty

protected void updateProperty(java.lang.String name,
                              com.voytechs.jnetstream.npl.Context context,
                              int value)

---

updateProperty

protected void updateProperty(java.lang.String name,
                              com.voytechs.jnetstream.npl.Context context,
                              long value)

---

updateProperty

protected void updateProperty(java.lang.String name,
                              com.voytechs.jnetstream.npl.Context context,
                              java.sql.Timestamp value)

---

lookupTopLevelHeader

protected com.voytechs.jnetstream.npl.StatementContainer lookupTopLevelHeader(java.lang.String name)
                                                                       throws com.voytechs.jnetstream.npl.NodeException

---

traverse

public boolean traverse(com.voytechs.jnetstream.npl.FamilyStatement stat,
                        java.lang.Object user1,
                        java.lang.Object user2)
                 throws com.voytechs.jnetstream.npl.NodeException

---

traverse

public boolean traverse(com.voytechs.jnetstream.npl.HeaderStatement stat,
                        java.lang.Object user1,
                        java.lang.Object user2)
                 throws com.voytechs.jnetstream.npl.NodeException

---

traverse

public boolean traverse(com.voytechs.jnetstream.npl.VariableStatement stat,
                        java.lang.Object user1,
                        java.lang.Object user2)
                 throws com.voytechs.jnetstream.npl.NodeException

---

traverse

public boolean traverse(com.voytechs.jnetstream.npl.FieldStatement stat,
                        java.lang.Object user1,
                        java.lang.Object user2)
                 throws com.voytechs.jnetstream.npl.NodeException

FIELD STATEMENT

---

traverse

public boolean traverse(com.voytechs.jnetstream.npl.AssertStatement stat,
                        java.lang.Object user1,
                        java.lang.Object user2)
                 throws com.voytechs.jnetstream.npl.NodeException

---

traverse

public boolean traverse(com.voytechs.jnetstream.npl.LinkStatement stat,
                        java.lang.Object user1,
                        java.lang.Object user2)
                 throws com.voytechs.jnetstream.npl.NodeException

---

traverse

public boolean traverse(com.voytechs.jnetstream.npl.OpNode node,
                        java.lang.Object user1,
                        java.lang.Object user2)
                 throws com.voytechs.jnetstream.npl.NodeException

Description copied from class: com.voytechs.jnetstream.npl.Visitor

Convenience function that dispatches visitor to all nodes in the list.

---

traverse

public boolean traverse(com.voytechs.jnetstream.npl.IfStatement stat,
                        java.lang.Object user1,
                        java.lang.Object user2)
                 throws com.voytechs.jnetstream.npl.NodeException

---

traverse

public boolean traverse(com.voytechs.jnetstream.npl.ForStatement stat,
                        java.lang.Object user1,
                        java.lang.Object user2)
                 throws com.voytechs.jnetstream.npl.NodeException

---

traverse

public boolean traverse(com.voytechs.jnetstream.npl.WhileStatement stat,
                        java.lang.Object user1,
                        java.lang.Object user2)
                 throws com.voytechs.jnetstream.npl.NodeException

---

traverse

public boolean traverse(com.voytechs.jnetstream.npl.ContinueStatement stat,
                        java.lang.Object user1,
                        java.lang.Object user2)
                 throws com.voytechs.jnetstream.npl.NodeException

---

traverse

public boolean traverse(com.voytechs.jnetstream.npl.BreakStatement stat,
                        java.lang.Object user1,
                        java.lang.Object user2)
                 throws com.voytechs.jnetstream.npl.NodeException

---

traverse

public boolean traverse(com.voytechs.jnetstream.npl.PrintStatement stat,
                        java.lang.Object user1,
                        java.lang.Object user2)
                 throws com.voytechs.jnetstream.npl.NodeException

---

traverse

public boolean traverse(com.voytechs.jnetstream.npl.PropertyStatement stat,
                        java.lang.Object user1,
                        java.lang.Object user2)
                 throws com.voytechs.jnetstream.npl.NodeException

---

main

public static void main(java.lang.String[] args)

Test function for Decoder

---

Overview  Package   Class  Use  Deprecated  Index
Home >> All >> com >> voytechs >> jnetstream >> [ codec overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

---